Tweak GEMM kernel (#38)

* add parameters

* tweak gemm

* tweak

* update conv

* update script

* adding bwd 1x1

* update script

* adding 1x1 bwd

* debugging bwd 1x1 failure

* update script

* update script

* test

* test v100

* clean up

composable_kernel/include/problem_transform/transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk.hpp

@@ -21,8 +21,8 @@ template <typename... Wei,
           typename ConvDilations,
           typename InLeftPads,
           typename InRightPads,
-          index_t IYTildaValue,
-          index_t IXTildaValue,
+          typename IYTilda,
+          typename IXTilda,
           index_t GemmK1Value>
 __host__ __device__ constexpr auto
 transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk(
@@ -33,8 +33,8 @@ transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk(
     const ConvDilations& conv_dilations,
     const InLeftPads& in_left_pads,
     const InRightPads& in_right_pads,
-    Number<IYTildaValue>,
-    Number<IXTildaValue>,
+    IYTilda i_ytilda,
+    IXTilda i_xtilda,
     Number<GemmK1Value>)
 {
     constexpr auto I0 = Number<0>{};
@@ -42,9 +42,7 @@ transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk(
     constexpr auto I2 = Number<2>{};
     constexpr auto I3 = Number<3>{};
 
-    constexpr auto GemmK1  = Number<GemmK1Value>{};
-    constexpr auto IYTilda = Number<IYTildaValue>{};
-    constexpr auto IXTilda = Number<IXTildaValue>{};
+    constexpr auto GemmK1 = Number<GemmK1Value>{};
 
     const auto N = in_n_hi_wi_c_grid_desc.GetLength(I0);
     const auto C = in_n_hi_wi_c_grid_desc.GetLength(I3);
@@ -98,8 +96,8 @@ transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk(
     const auto WTildaSlice = IWTildaSliceEnd - IWTildaSliceBegin;
 
     // GemmK is different for each GEMM
-    const auto YDotSlice = math::integer_divide_ceil(Y - IYTilda, YTilda);
-    const auto XDotSlice = math::integer_divide_ceil(X - IXTilda, XTilda);
+    const auto YDotSlice = math::integer_divide_ceil(Y - i_ytilda, YTilda);
+    const auto XDotSlice = math::integer_divide_ceil(X - i_xtilda, XTilda);
 
     const auto K1 = GemmK1;
     const auto K0 = K / K1;
@@ -183,8 +181,8 @@ transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk(
                                     make_tuple(make_unmerge_transform(make_tuple(K0, K1)),
                                                make_slice_transform(YDot, I0, YDotSlice),
                                                make_slice_transform(XDot, I0, XDotSlice),
-                                               make_freeze_transform(IYTilda),
-                                               make_freeze_transform(IXTilda),
+                                               make_freeze_transform(i_ytilda),
+                                               make_freeze_transform(i_xtilda),
                                                make_pass_through_transform(C)),
                                     make_tuple(Sequence<0>{},
                                                Sequence<1>{},
@@ -241,9 +239,9 @@ transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk(
     const auto in_n_htildaslice_wtildaslice_c_grid_desc = transform_tensor_descriptor(
         in_n_ytilda_htilda_xtilda_wtilda_c_grid_desc,
         make_tuple(make_pass_through_transform(N),
-                   make_freeze_transform(IYTilda),
+                   make_freeze_transform(i_ytilda),
                    make_slice_transform(HTilda, IHTildaSliceBegin, HTildaSlice),
-                   make_freeze_transform(IXTilda),
+                   make_freeze_transform(i_xtilda),
                    make_slice_transform(WTilda, IWTildaSliceBegin, WTildaSlice),
                    make_pass_through_transform(C)),
         make_tuple(Sequence<0>{},
@@ -271,5 +269,84 @@ transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk(
                       in_gemmm_gemmn_grid_desc);
 }
 
+// A: out
+// B: wei
+// C: in
+// Number of GEMMs = 1
+// GemmM = N * Ho * Wo
+// GemmN = C
+// GemmK = K
+template <typename... Wei,
+          typename... In,
+          typename... Out,
+          typename ConvStrides,
+          index_t GemmK1Value>
+__host__ __device__ constexpr auto
+transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk_1x1(
+    const TensorDescriptor<Out...>& out_n_ho_wo_k_grid_desc,
+    const TensorDescriptor<Wei...>& /* wei_k_y_x_c_grid_desc */,
+    const TensorDescriptor<In...>& in_n_hi_wi_c_grid_desc,
+    const ConvStrides& conv_strides,
+    Number<GemmK1Value>)
+{
+    constexpr auto I0 = Number<0>{};
+    constexpr auto I1 = Number<1>{};
+    constexpr auto I2 = Number<2>{};
+    constexpr auto I3 = Number<3>{};
+
+    constexpr auto GemmK1 = Number<GemmK1Value>{};
+
+    const auto N = in_n_hi_wi_c_grid_desc.GetLength(I0);
+    const auto C = in_n_hi_wi_c_grid_desc.GetLength(I3);
+    const auto K = out_n_ho_wo_k_grid_desc.GetLength(I3);
+
+    const auto Ho = out_n_ho_wo_k_grid_desc.GetLength(I1);
+    const auto Wo = out_n_ho_wo_k_grid_desc.GetLength(I2);
+
+    const auto ConvStrideH = conv_strides[I0];
+    const auto ConvStrideW = conv_strides[I1];
+
+    const auto K1 = GemmK1;
+    const auto K0 = K / K1;
+
+    // A: output tensor
+    const auto out_gemmk0_gemmm_gemmk1_grid_desc =
+        transform_tensor_descriptor(make_naive_tensor_descriptor_packed(make_tuple(N * Ho * Wo, K)),
+                                    make_tuple(make_pass_through_transform(N * Ho * Wo),
+                                               make_unmerge_transform(make_tuple(K0, K1))),
+                                    make_tuple(Sequence<0>{}, Sequence<1>{}),
+                                    make_tuple(Sequence<1>{}, Sequence<0, 2>{}));
+
+    // B: weight tensor
+    const auto wei_gemmk0_gemmn_gemmk1_grid_desc = transform_tensor_descriptor(
+        make_naive_tensor_descriptor_packed(make_tuple(K, C)),
+        make_tuple(make_unmerge_transform(make_tuple(K0, K1)), make_pass_through_transform(C)),
+        make_tuple(Sequence<0>{}, Sequence<1>{}),
+        make_tuple(Sequence<0, 2>{}, Sequence<1>{}));
+
+    // C: input tensor
+    const auto in_n_y_ho_x_wo_c_grid_desc = transform_tensor_descriptor(
+        in_n_hi_wi_c_grid_desc,
+        make_tuple(make_pass_through_transform(N),
+                   make_embed_transform(make_tuple(I1, Ho), make_tuple(I1, ConvStrideH)),
+                   make_embed_transform(make_tuple(I1, Wo), make_tuple(I1, ConvStrideW)),
+                   make_pass_through_transform(C)),
+        make_tuple(Sequence<0>{}, Sequence<1>{}, Sequence<2>{}, Sequence<3>{}),
+        make_tuple(Sequence<0>{}, Sequence<1, 2>{}, Sequence<3, 4>{}, Sequence<5>{}));
+
+    const auto in_gemmm_gemmn_grid_desc = transform_tensor_descriptor(
+        in_n_y_ho_x_wo_c_grid_desc,
+        make_tuple(make_freeze_transform(I0),
+                   make_freeze_transform(I0),
+                   make_merge_transform(make_tuple(N, Ho, Wo)),
+                   make_pass_through_transform(C)),
+        make_tuple(Sequence<1>{}, Sequence<3>{}, Sequence<0, 2, 4>{}, Sequence<5>{}),
+        make_tuple(Sequence<>{}, Sequence<>{}, Sequence<0>{}, Sequence<1>{}));
+
+    return make_tuple(out_gemmk0_gemmm_gemmk1_grid_desc,
+                      wei_gemmk0_gemmn_gemmk1_grid_desc,
+                      in_gemmm_gemmn_grid_desc);
+}
+
 } // namespace ck
 #endif

composable_kernel/include/tensor_description/multi_index_transform_helper.hpp

@@ -31,7 +31,7 @@ __host__ __device__ constexpr auto make_left_pad_transform(
     return LeftPad<LowLength, LeftPadLength, SkipIsValidCheck>{low_length, left_pad};
 }
 
-template <typename LowLength, typename RightPadLength, bool SkipIsValidCheck>
+template <typename LowLength, typename RightPadLength, bool SkipIsValidCheck = false>
 __host__ __device__ constexpr auto make_right_pad_transform(
     const LowLength& low_length,
     const RightPadLength& right_pad,

composable_kernel/include/tensor_operation/gridwise_gemm_xdlops_v2r3.hpp

@@ -29,7 +29,7 @@ __global__ void
                                 FloatC* __restrict__ p_c_grid,
                                 const AK0MK1GridDesc a_k0_m_k1_grid_desc,
                                 const BK0NK1GridDesc b_k0_n_k1_grid_desc,
-                                const CM0N0M1N1M2M3M4N2GridDesc c_m0_m1_m2_n_grid_desc,
+                                const CM0N0M1N1M2M3M4N2GridDesc c_m0_n0_m1_n1_m2_m3_m4_n2_grid_desc,
                                 const CBlockClusterAdaptor c_block_cluster_adaptor)
 {
     constexpr index_t shared_block_size =
@@ -132,7 +132,9 @@ template <index_t BlockSize,
           typename CGridStepHacks,
           typename AGridMoveSliceWindowStepHacks,
           typename BGridMoveSliceWindowStepHacks,
-          bool CAccessOrderMRepeatNRepeat>
+          bool CAccessOrderMRepeatNRepeat,
+          bool ABlockLdsExtraM,
+          bool BBlockLdsExtraN>
 struct GridwiseGemm_k0mk1_k0nk1_mn_xdlops_v2r3
 {
     static constexpr auto I0 = Number<0>{};
@@ -152,14 +154,34 @@ struct GridwiseGemm_k0mk1_k0nk1_mn_xdlops_v2r3
         constexpr auto max_lds_align = K1;
 
         // A matrix in LDS memory, dst of blockwise copy
-        //   be careful of LDS alignment
-        constexpr auto a_k0_m_k1_block_desc = make_naive_tensor_descriptor_aligned(
-            make_tuple(Number<KPerBlock>{}, Number<MPerBlock>{}, K1), max_lds_align);
+        constexpr auto a_k0_m_k1_block_desc = [&]() {
+            if constexpr(ABlockLdsExtraM)
+            {
+                return make_naive_tensor_descriptor(
+                    make_tuple(Number<KPerBlock>{}, Number<MPerBlock>{}, K1),
+                    make_tuple(Number<MPerBlock + 1>{} * K1, K1, I1));
+            }
+            else
+            {
+                return make_naive_tensor_descriptor_aligned(
+                    make_tuple(Number<KPerBlock>{}, Number<MPerBlock>{}, K1), max_lds_align);
+            }
+        }();
 
         // B matrix in LDS memory, dst of blockwise copy
-        //   be careful of LDS alignment
-        constexpr auto b_k0_n_k1_block_desc = make_naive_tensor_descriptor_aligned(
-            make_tuple(Number<KPerBlock>{}, Number<NPerBlock>{}, K1), max_lds_align);
+        constexpr auto b_k0_n_k1_block_desc = [&]() {
+            if constexpr(BBlockLdsExtraN)
+            {
+                return make_naive_tensor_descriptor(
+                    make_tuple(Number<KPerBlock>{}, Number<NPerBlock>{}, K1),
+                    make_tuple(Number<NPerBlock + 1>{} * K1, K1, I1));
+            }
+            else
+            {
+                return make_naive_tensor_descriptor_aligned(
+                    make_tuple(Number<KPerBlock>{}, Number<NPerBlock>{}, K1), max_lds_align);
+            }
+        }();
 
         // LDS allocation for A and B: be careful of alignment
         constexpr auto a_block_space_size =
@@ -171,29 +193,45 @@ struct GridwiseGemm_k0mk1_k0nk1_mn_xdlops_v2r3
         return (a_block_space_size + b_block_space_size) * sizeof(FloatAB);
     }
 
+    // block_id to matrix tile idx (m0, n0) mapping are controlled by {M01, N01}
     __host__ __device__ static constexpr bool
     CheckValidity(const AK0MK1GridDesc& a_k0_m_k1_grid_desc,
                   const BK0NK1GridDesc& b_k0_n_k1_grid_desc,
-                  const CMNGridDesc& c_m_n_grid_desc)
+                  const CMNGridDesc& c_m_n_grid_desc,
+                  index_t M01,
+                  index_t N01)
     {
-        // TODO: turn on this
         static_assert(is_known_at_compile_time<remove_cv_t<decltype(K1)>>::value,
                       "wrong! K1 need to be known at compile-time");
 
+        static_assert((MPerBlock % (MPerXDL * MRepeat) == 0) &&
+                          (NPerBlock % (NRepeat * NPerXDL)) == 0,
+                      "Invalid tuning param!");
+
         const auto M  = a_k0_m_k1_grid_desc.GetLength(I1);
         const auto N  = b_k0_n_k1_grid_desc.GetLength(I1);
         const auto K0 = a_k0_m_k1_grid_desc.GetLength(I0);
 
-        static_assert((MPerBlock % (MPerXDL * MRepeat) == 0) &&
-                          (NPerBlock % (NRepeat * NPerXDL)) == 0,
-                      "Invalid tuning param!");
+        if(!(M == c_m_n_grid_desc.GetLength(I0) && N == c_m_n_grid_desc.GetLength(I1) &&
+             K0 == b_k0_n_k1_grid_desc.GetLength(I0) && K1 == a_k0_m_k1_grid_desc.GetLength(I2) &&
+             K1 == b_k0_n_k1_grid_desc.GetLength(I2)))
+            return false;
+
+        if(!(M % MPerBlock == 0 && N % NPerBlock == 0 && K0 % KPerBlock == 0))
+            return false;
+
+        // check M01, N01
+        constexpr auto M1 = Number<MPerBlock>{};
+        constexpr auto N1 = Number<NPerBlock>{};
+
+        const auto M0 = M / M1;
+        const auto N0 = N / N1;
+
+        if(!(M0 % M01 == 0 && N0 % N01 == 0))
+            return false;
 
         // TODO: also check validity of all components (blockwise-copy, threadwise-copy, etc)
-        return (M == c_m_n_grid_desc.GetLength(I0) && N == c_m_n_grid_desc.GetLength(I1) &&
-                K0 == b_k0_n_k1_grid_desc.GetLength(I0) &&
-                K1 == a_k0_m_k1_grid_desc.GetLength(I2) &&
-                K1 == b_k0_n_k1_grid_desc.GetLength(I2)) &&
-               (M % MPerBlock == 0 && N % NPerBlock == 0 && K0 % KPerBlock == 0);
+        return true;
     }
 
     __host__ __device__ static constexpr index_t
@@ -212,11 +250,35 @@ struct GridwiseGemm_k0mk1_k0nk1_mn_xdlops_v2r3
     {
         constexpr auto max_lds_align = K1;
 
-        constexpr auto a_k0_m_k1_block_desc = make_naive_tensor_descriptor_aligned(
-            make_tuple(Number<KPerBlock>{}, Number<MPerBlock>{}, K1), max_lds_align);
+        // A matrix in LDS memory, dst of blockwise copy
+        constexpr auto a_k0_m_k1_block_desc = [&]() {
+            if constexpr(ABlockLdsExtraM)
+            {
+                return make_naive_tensor_descriptor(
+                    make_tuple(Number<KPerBlock>{}, Number<MPerBlock>{}, K1),
+                    make_tuple(Number<MPerBlock + 1>{} * K1, K1, I1));
+            }
+            else
+            {
+                return make_naive_tensor_descriptor_aligned(
+                    make_tuple(Number<KPerBlock>{}, Number<MPerBlock>{}, K1), max_lds_align);
+            }
+        }();
 
-        constexpr auto b_k0_n_k1_block_desc = make_naive_tensor_descriptor_aligned(
-            make_tuple(Number<KPerBlock>{}, Number<NPerBlock>{}, K1), max_lds_align);
+        // B matrix in LDS memory, dst of blockwise copy
+        constexpr auto b_k0_n_k1_block_desc = [&]() {
+            if constexpr(BBlockLdsExtraN)
+            {
+                return make_naive_tensor_descriptor(
+                    make_tuple(Number<KPerBlock>{}, Number<NPerBlock>{}, K1),
+                    make_tuple(Number<NPerBlock + 1>{} * K1, K1, I1));
+            }
+            else
+            {
+                return make_naive_tensor_descriptor_aligned(
+                    make_tuple(Number<KPerBlock>{}, Number<NPerBlock>{}, K1), max_lds_align);
+            }
+        }();
 
         using BlockwiseGemm =
             BlockwiseGemmXdlops_k0mk1_k0nk1_m0n0m1n1m2m3m4n2_v1<BlockSize,
@@ -233,8 +295,9 @@ struct GridwiseGemm_k0mk1_k0nk1_mn_xdlops_v2r3
         return BlockwiseGemm::MakeCM0N0M1N1M2M3M4N2GridDescriptor(c_m_n_grid_desc);
     }
 
+    // return block_id to C matrix tile idx (m0, n0) mapping
     __host__ __device__ static constexpr auto
-    MakeCBlockClusterAdaptor(const CMNGridDesc& c_m_n_grid_desc)
+    MakeCBlockClusterAdaptor(const CMNGridDesc& c_m_n_grid_desc, index_t M01, index_t N01)
     {
         const auto M = c_m_n_grid_desc.GetLength(I0);
         const auto N = c_m_n_grid_desc.GetLength(I1);
@@ -245,23 +308,31 @@ struct GridwiseGemm_k0mk1_k0nk1_mn_xdlops_v2r3
         const auto M0 = M / M1;
         const auto N0 = N / N1;
 
-#if 1
-        const auto c_blockid_to_m0_n0_block_cluster_adaptor =
-            make_single_stage_tensor_adaptor(make_tuple(make_merge_transform(make_tuple(M0, N0))),
-                                             make_tuple(Sequence<0, 1>{}),
-                                             make_tuple(Sequence<0>{}));
-#elif 1
+        const auto M00 = M0 / M01;
+        const auto N00 = N0 / N01;
+
+        const auto m00_m01_n00_n01_to_m0_n0_block_cluster_adaptor =
+            make_single_stage_tensor_adaptor(
+                make_tuple(make_unmerge_transform(make_tuple(M00, M01)),
+                           make_unmerge_transform(make_tuple(N00, N01))),
+                make_tuple(Sequence<0>{}, Sequence<1>{}),
+                make_tuple(Sequence<0, 2>{}, Sequence<1, 3>{}));
+
+        const auto c_blockid_to_m00_m01_n00_n01_block_cluster_adaptor =
+            make_single_stage_tensor_adaptor(
+                make_tuple(make_merge_transform(make_tuple(M00, N00, M01, N01))),
+                make_tuple(Sequence<0, 1, 2, 3>{}),
+                make_tuple(Sequence<0>{}));
+
         const auto c_blockid_to_m0_n0_block_cluster_adaptor =
-            make_single_stage_tensor_adaptor(make_tuple(make_merge_transform(make_tuple(N0, M0))),
-                                             make_tuple(Sequence<1, 0>{}),
-                                             make_tuple(Sequence<0>{}));
-#endif
+            chain_tensor_adaptors(m00_m01_n00_n01_to_m0_n0_block_cluster_adaptor,
+                                  c_blockid_to_m00_m01_n00_n01_block_cluster_adaptor);
 
         return c_blockid_to_m0_n0_block_cluster_adaptor;
     }
 
     using CM0N0M1N1M2M3M4N2GridDesc = decltype(MakeCM0N0M1N1M2M3M4N2GridDescriptor(CMNGridDesc{}));
-    using CBlockClusterAdaptor      = decltype(MakeCBlockClusterAdaptor(CMNGridDesc{}));
+    using CBlockClusterAdaptor      = decltype(MakeCBlockClusterAdaptor(CMNGridDesc{}, 1, 1));
 
     __device__ static void Run(const FloatAB* __restrict__ p_a_grid,
                                const FloatAB* __restrict__ p_b_grid,
@@ -296,14 +367,34 @@ struct GridwiseGemm_k0mk1_k0nk1_mn_xdlops_v2r3
         constexpr auto max_lds_align = K1;
 
         // A matrix in LDS memory, dst of blockwise copy
-        //   be careful of LDS alignment
-        constexpr auto a_k0_m_k1_block_desc = make_naive_tensor_descriptor_aligned(
-            make_tuple(Number<KPerBlock>{}, Number<MPerBlock>{}, K1), max_lds_align);
+        constexpr auto a_k0_m_k1_block_desc = [&]() {
+            if constexpr(ABlockLdsExtraM)
+            {
+                return make_naive_tensor_descriptor(
+                    make_tuple(Number<KPerBlock>{}, Number<MPerBlock>{}, K1),
+                    make_tuple(Number<MPerBlock + 1>{} * K1, K1, I1));
+            }
+            else
+            {
+                return make_naive_tensor_descriptor_aligned(
+                    make_tuple(Number<KPerBlock>{}, Number<MPerBlock>{}, K1), max_lds_align);
+            }
+        }();
 
         // B matrix in LDS memory, dst of blockwise copy
-        //   be careful of LDS alignment
-        constexpr auto b_k0_n_k1_block_desc = make_naive_tensor_descriptor_aligned(
-            make_tuple(Number<KPerBlock>{}, Number<NPerBlock>{}, K1), max_lds_align);
+        constexpr auto b_k0_n_k1_block_desc = [&]() {
+            if constexpr(BBlockLdsExtraN)
+            {
+                return make_naive_tensor_descriptor(
+                    make_tuple(Number<KPerBlock>{}, Number<NPerBlock>{}, K1),
+                    make_tuple(Number<NPerBlock + 1>{} * K1, K1, I1));
+            }
+            else
+            {
+                return make_naive_tensor_descriptor_aligned(
+                    make_tuple(Number<KPerBlock>{}, Number<NPerBlock>{}, K1), max_lds_align);
+            }
+        }();
 
         // A matrix blockwise copy
         auto a_blockwise_copy =

composable_kernel/include/utility/config.hpp

@@ -90,8 +90,8 @@
 #endif
 
 // pass tensor descriptor by value or void*
-#define CK_EXPERIMENTAL_PASS_TENSOR_DESCRIPTOR_BY_VALUE 0
-#define CK_EXPERIMENTAL_PASS_TENSOR_DESCRIPTOR_BY_VOID_POINTER 1
+#define CK_EXPERIMENTAL_PASS_TENSOR_DESCRIPTOR_BY_VALUE 1
+#define CK_EXPERIMENTAL_PASS_TENSOR_DESCRIPTOR_BY_VOID_POINTER 0
 
 // merge transformation use magic number division
 #define CK_EXPERIMENTAL_MERGE_USE_MAGIC_DIVISION 0

host/driver_offline/include/debug.hpp

+#ifndef DEBUG_HPP
+#define DEBUG_HPP
+
+namespace debug {
+namespace debug_driver_gemm_xdlops_v2r3 {
+
+// these vars are on host, they control block_id to C matrix tile idx (m0, n0) mapping
+static ck::index_t M01 = 1;
+static ck::index_t N01 = 1;
+
+} // namespace debug_driver_gemm_xdlops_v2r3
+} // namespace debug
+#endif

host/driver_offline/include/device_convolution_backward_data_implicit_gemm_v4r1_xdlops_nhwc_kyxc_nhwk.hpp

@@ -48,8 +48,8 @@ void device_convolution_backward_data_implicit_gemm_v4r1_xdlops_nhwc_kyxc_nhwk(
     const auto wei_k_y_x_c_desc   = make_naive_tensor_descriptor_packed(wei_k_y_x_c_lengths);
     const auto out_n_ho_wo_k_desc = make_naive_tensor_descriptor_packed(out_n_ho_wo_k_lengths);
 
-#if 1
-    // [M, N, K0, K1] = [128, 128, 4, 4] for fp32
+#if 0
+    // [M, N, K0, K1] = [128, 128, 4, 4], C = 64, for fp32
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 128;
@@ -76,7 +76,7 @@ void device_convolution_backward_data_implicit_gemm_v4r1_xdlops_nhwc_kyxc_nhwk(
     constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 4;
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 4;
-#elif 1
+#elif 0
     // [M, N, K0, K1] = [128, 128, 4, 8] for fp16
     constexpr index_t BlockSize = 256;
 
@@ -105,7 +105,7 @@ void device_convolution_backward_data_implicit_gemm_v4r1_xdlops_nhwc_kyxc_nhwk(
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 4;
 #elif 1
-    // [M, N, K0, K1] = [256, 128, 4, 8] for fp16
+    // [M, N, K0, K1] = [256, 128, 4, 8], C = 128, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 256;
@@ -133,7 +133,7 @@ void device_convolution_backward_data_implicit_gemm_v4r1_xdlops_nhwc_kyxc_nhwk(
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 4;
 #elif 1
-    // [M, N, K0, K1] = [128, 256, 4, 8] for fp16
+    // [M, N, K0, K1] = [128, 256, 4, 8], C = 128, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 128;
@@ -159,34 +159,6 @@ void device_convolution_backward_data_implicit_gemm_v4r1_xdlops_nhwc_kyxc_nhwk(
     constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmK1 = 8;
     constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
 
-    constexpr index_t GemmCThreadTransferDstScalarPerVector = 4;
-#elif 0
-    // [M, N, K0, K1] = [256, 128, 4, 4]
-    constexpr index_t BlockSize = 256;
-
-    constexpr index_t GemmMPerBlock = 256;
-    constexpr index_t GemmNPerBlock = 128;
-    constexpr index_t GemmKPerBlock = 4;
-
-    constexpr index_t GemmMPerXDL = 32;
-    constexpr index_t GemmNPerXDL = 32;
-    constexpr index_t GemmK1      = 4;
-
-    constexpr index_t MRepeat = 4;
-    constexpr index_t NRepeat = 2;
-
-    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 4, 4>;
-    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 64, 1>;
-
-    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmM  = 4;
-    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 4;
-
-    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 2, 4>;
-    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 64, 1>;
-
-    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmK1 = 4;
-    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 4;
-
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 4;
 #endif
 
@@ -294,13 +266,17 @@ void device_convolution_backward_data_implicit_gemm_v4r1_xdlops_nhwc_kyxc_nhwk(
             decltype(in_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
             decltype(wei_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks),
             decltype(out_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks),
-            false // CAccessOrderMRepeatNRepeat
+            false,  // CAccessOrderMRepeatNRepeat
+            false,  // ABlockLdsExtraM
+            false   // BBlockLdsExtraN
             >(static_cast<TInWei*>(wei_k_y_x_c_device_buf.GetDeviceBuffer()),
               static_cast<TOut*>(out_n_ho_wo_k_device_buf.GetDeviceBuffer()),
               static_cast<TInWei*>(in_n_hi_wi_c_device_buf.GetDeviceBuffer()),
               wei_gemmk0_gemmm_gemmk1_grid_desc,
               out_gemmk0_gemmn_gemmk1_grid_desc,
               in_gemmm_gemmn_grid_desc,
+              debug_driver_gemm_xdlops_v2r3::M01,
+              debug_driver_gemm_xdlops_v2r3::N01,
               wei_gemmk0_gemmm_gemmk1_grid_step_hacks,
               out_gemmk0_gemmn_gemmk1_grid_step_hacks,
               in_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,

host/driver_offline/include/device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk.hpp

@@ -49,7 +49,7 @@ void device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk
     const auto out_n_ho_wo_k_desc = make_naive_tensor_descriptor_packed(out_n_ho_wo_k_lengths);
 
 #if 0
-    // [M, N, K0, K1] = [256, 128, 4, 4] for fp32
+    // [M, N, K0, K1] = [256, 128, 4, 4], C = 128,  for fp32
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 256;
@@ -77,7 +77,7 @@ void device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
 #elif 0
-    // [M, N, K0, K1] = [128, 128, 4, 4] for fp32
+    // [M, N, K0, K1] = [128, 128, 4, 4], C = 64, for fp32
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 128;
@@ -104,8 +104,8 @@ void device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk
     constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 4;
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
-#elif 1
-    // [M, N, K0, K1] = [256, 128, 4, 8] for fp16
+#elif 0
+    // [M, N, K0, K1] = [256, 128, 4, 8], C = 128, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 256;
@@ -133,7 +133,7 @@ void device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
 #elif 1
-    // [M, N, K0, K1] = [128, 256, 4, 8] for fp16
+    // [M, N, K0, K1] = [128, 256, 4, 8], C = 128, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 128;
@@ -160,23 +160,91 @@ void device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk
     constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
-#endif
+#elif 1
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 64, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t GemmMPerBlock = 128;
+    constexpr index_t GemmNPerBlock = 128;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerWave = 32;
+    constexpr index_t GemmNPerWave = 32;
+    constexpr index_t GemmK1       = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 2, 8>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 2, 8>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 64, 1>;
 
-    const auto descs =
-        transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk(out_n_ho_wo_k_desc,
-                                                                            wei_k_y_x_c_desc,
-                                                                            in_n_hi_wi_c_desc,
-                                                                            conv_strides,
-                                                                            conv_dilations,
-                                                                            in_left_pads,
-                                                                            in_right_pads,
-                                                                            I0,
-                                                                            I0,
-                                                                            Number<GemmK1>{});
-
-    const auto out_gemmk0_gemmm_gemmk1_grid_desc = descs[I0];
-    const auto wei_gemmk0_gemmn_gemmk1_grid_desc = descs[I1];
-    const auto in_gemmm_gemmn_grid_desc          = descs[I2];
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmN  = 2;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 64, 4, 8], C = 64, for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t GemmMPerBlock = 128;
+    constexpr index_t GemmNPerBlock = 64;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerWave = 32;
+    constexpr index_t GemmNPerWave = 32;
+    constexpr index_t GemmK1       = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 4, 8>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 32, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 2, 8>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 32, 1>;
+
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmN  = 2;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 64, 4, 8], C = 32, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t GemmMPerBlock = 128;
+    constexpr index_t GemmNPerBlock = 64;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerWave = 32;
+    constexpr index_t GemmNPerWave = 32;
+    constexpr index_t GemmK1       = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 1;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 2, 8>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 1, 8>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmN  = 1;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#endif
 
     // HACK: hacks that control index calculation when iterating over A, B, C matrix
     constexpr auto out_gemmk0_gemmm_gemmk1_grid_step_hacks = make_tuple(
@@ -185,7 +253,8 @@ void device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk
                    Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{}),  // 2+: gemmk1
         make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0>{},   // 0-: gemmk0
                    Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0>{},   // 1-: gemmm
-                   Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 2-: gemmk1
+                   Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 2-:
+                                                                                       // gemmk1
 
     constexpr auto wei_gemmk0_gemmn_gemmk1_grid_step_hacks =
         make_tuple(make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0>{},   // 0+: gemmk0
@@ -215,7 +284,7 @@ void device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk
             Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5-: M3
             Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6-: M4
             Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 7-: N2
-    //clang-format on
+    // clang-format on
 
     constexpr auto out_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks =
         Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 0>{};
@@ -225,64 +294,110 @@ void device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk
 
     for(index_t i = 0; i < 5; ++i)
     {
-        float ave_time = driver_gemm_xdlops_v2r3<
-            BlockSize,
-            TInWei,
-            TAcc,
-            TOut,
-            InMemoryDataOperationEnum_t::Set,
-            decltype(out_gemmk0_gemmm_gemmk1_grid_desc),
-            decltype(wei_gemmk0_gemmn_gemmk1_grid_desc),
-            decltype(in_gemmm_gemmn_grid_desc),
-            GemmMPerBlock,
-            GemmNPerBlock,
-            GemmKPerBlock,
-            GemmMPerWave,
-            GemmNPerWave,
-            GemmK1,
-            MRepeat,
-            NRepeat,
-            GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1,
-            GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1,
-            Sequence<1, 0, 2>,
-            Sequence<1, 0, 2>,
-            2,
-            GemmABlockTransferSrcScalarPerVector_GemmK1,
-            GemmABlockTransferDstScalarPerVector_GemmK1,
-            false, // don't move back src coordinate after threadwise copy
-            GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1,
-            GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1,
-            Sequence<2, 0, 1>,
-            Sequence<0, 2, 1>,
-            1,
-            GemmBBlockTransferSrcScalarPerVector_GemmN,
-            GemmBBlockTransferDstScalarPerVector_GemmK1,
-            false, // don't move back src coordinate after threadwise copy
+        const auto ConvStrideH = conv_strides[I0];
+        const auto ConvStrideW = conv_strides[I1];
+
+        const auto ConvDilationH = conv_dilations[I0];
+        const auto ConvDilationW = conv_dilations[I1];
+
+        const auto GcdStrideDilationH = math::gcd(ConvStrideH, ConvDilationH);
+        const auto GcdStrideDilationW = math::gcd(ConvStrideW, ConvDilationW);
+
+        const auto YTilda = ConvStrideH / GcdStrideDilationH;
+        const auto XTilda = ConvStrideW / GcdStrideDilationW;
+
+        float ave_time = 0;
+
+        for(index_t i_ytilda = 0; i_ytilda < YTilda; ++i_ytilda)
+        {
+            for(index_t i_xtilda = 0; i_xtilda < XTilda; ++i_xtilda)
+            {
+                const auto descs =
+                    transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk(
+                        out_n_ho_wo_k_desc,
+                        wei_k_y_x_c_desc,
+                        in_n_hi_wi_c_desc,
+                        conv_strides,
+                        conv_dilations,
+                        in_left_pads,
+                        in_right_pads,
+                        i_ytilda,
+                        i_xtilda,
+                        Number<GemmK1>{});
+
+                const auto out_gemmk0_gemmm_gemmk1_grid_desc = descs[I0];
+                const auto wei_gemmk0_gemmn_gemmk1_grid_desc = descs[I1];
+                const auto in_gemmm_gemmn_grid_desc          = descs[I2];
+
+                const auto GemmK0 = out_gemmk0_gemmm_gemmk1_grid_desc.GetLength(I0);
+
+                if(GemmK0 != 0)
+                {
+                    ave_time += driver_gemm_xdlops_v2r3<
+                        BlockSize,
+                        TInWei,
+                        TAcc,
+                        TOut,
+                        InMemoryDataOperationEnum_t::Set,
+                        decltype(out_gemmk0_gemmm_gemmk1_grid_desc),
+                        decltype(wei_gemmk0_gemmn_gemmk1_grid_desc),
+                        decltype(in_gemmm_gemmn_grid_desc),
+                        GemmMPerBlock,
+                        GemmNPerBlock,
+                        GemmKPerBlock,
+                        GemmMPerWave,
+                        GemmNPerWave,
+                        GemmK1,
+                        MRepeat,
+                        NRepeat,
+                        GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1,
+                        GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1,
+                        Sequence<1, 0, 2>,
+                        Sequence<1, 0, 2>,
+                        2,
+                        GemmABlockTransferSrcScalarPerVector_GemmK1,
+                        GemmABlockTransferDstScalarPerVector_GemmK1,
+                        false, // don't move back src coordinate after threadwise copy
+                        GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1,
+                        GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1,
+                        Sequence<2, 0, 1>,
+                        Sequence<0, 2, 1>,
+                        1,
+                        GemmBBlockTransferSrcScalarPerVector_GemmN,
+                        GemmBBlockTransferDstScalarPerVector_GemmK1,
+                        false, // don't move back src coordinate after threadwise copy
 #if 0
-            Sequence<0, 2, 4, 5, 6, 1, 3, 7>,
+                        Sequence<0, 2, 4, 5, 6, 1, 3, 7>,
 #else
-            Sequence<0, 1, 2, 3, 4, 5, 6, 7>,
+                        Sequence<0, 1, 2, 3, 4, 5, 6, 7>,
 #endif
-            7,
-            GemmCThreadTransferDstScalarPerVector,
-            decltype(out_gemmk0_gemmm_gemmk1_grid_step_hacks),
-            decltype(wei_gemmk0_gemmn_gemmk1_grid_step_hacks),
-            decltype(in_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
-            decltype(out_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks),
-            decltype(wei_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks),
-            true // CAccessOrderMRepeatNRepeat
-            >(static_cast<TOut*>(out_n_ho_wo_k_device_buf.GetDeviceBuffer()),
-              static_cast<TInWei*>(wei_k_y_x_c_device_buf.GetDeviceBuffer()),
-              static_cast<TInWei*>(in_n_hi_wi_c_device_buf.GetDeviceBuffer()),
-              out_gemmk0_gemmm_gemmk1_grid_desc,
-              wei_gemmk0_gemmn_gemmk1_grid_desc,
-              in_gemmm_gemmn_grid_desc,
-              out_gemmk0_gemmm_gemmk1_grid_step_hacks,
-              wei_gemmk0_gemmn_gemmk1_grid_step_hacks,
-              in_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,
-              out_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks,
-              wei_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks,
-              nrepeat);
+                        7,
+                        GemmCThreadTransferDstScalarPerVector,
+                        decltype(out_gemmk0_gemmm_gemmk1_grid_step_hacks),
+                        decltype(wei_gemmk0_gemmn_gemmk1_grid_step_hacks),
+                        decltype(in_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
+                        decltype(out_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks),
+                        decltype(wei_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks),
+                        true,  // CAccessOrderMRepeatNRepeat
+                        false, // ABlockLdsExtraM
+                        false  // BBlockLdsExtraN
+                        >(static_cast<TOut*>(out_n_ho_wo_k_device_buf.GetDeviceBuffer()),
+                          static_cast<TInWei*>(wei_k_y_x_c_device_buf.GetDeviceBuffer()),
+                          static_cast<TInWei*>(in_n_hi_wi_c_device_buf.GetDeviceBuffer()),
+                          out_gemmk0_gemmm_gemmk1_grid_desc,
+                          wei_gemmk0_gemmn_gemmk1_grid_desc,
+                          in_gemmm_gemmn_grid_desc,
+                          debug::debug_driver_gemm_xdlops_v2r3::M01,
+                          debug::debug_driver_gemm_xdlops_v2r3::N01,
+                          out_gemmk0_gemmm_gemmk1_grid_step_hacks,
+                          wei_gemmk0_gemmn_gemmk1_grid_step_hacks,
+                          in_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,
+                          out_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks,
+                          wei_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks,
+                          nrepeat);
+                }
+            }
+        }
 
         {
             const auto N = out_n_ho_wo_k_lengths[I0];

host/driver_offline/include/device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk_1x1.hpp

+#include <unistd.h>
+#include "device.hpp"
+#include "host_tensor.hpp"
+#include "transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk.hpp"
+#include "driver_gemm_xdlops_v2r3.hpp"
+
+template <typename TInWei,
+          typename TAcc,
+          typename TOut,
+          typename InLengths,
+          typename WeiLengths,
+          typename OutLengths,
+          typename ConvStrides,
+          typename ConvDilations,
+          typename InLeftPads,
+          typename InRightPads>
+void device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk_1x1(
+    const InLengths& in_n_hi_wi_c_lengths,
+    const WeiLengths& wei_k_y_x_c_lengths,
+    const OutLengths& out_n_ho_wo_k_lengths,
+    const ConvStrides& conv_strides,
+    const ConvDilations&,
+    const InLeftPads&,
+    const InRightPads&,
+    Tensor<TInWei>& in_n_hi_wi_c,
+    const Tensor<TInWei>& wei_k_y_x_c,
+    const Tensor<TOut>& out_n_ho_wo_k,
+    ck::index_t nrepeat)
+{
+    using namespace ck;
+
+    std::cout << __func__ << std::endl;
+
+    constexpr auto I0 = Number<0>{};
+    constexpr auto I1 = Number<1>{};
+    constexpr auto I2 = Number<2>{};
+    constexpr auto I3 = Number<3>{};
+
+    DeviceMem in_n_hi_wi_c_device_buf(sizeof(TInWei) * in_n_hi_wi_c.mDesc.GetElementSpace());
+    DeviceMem wei_k_y_x_c_device_buf(sizeof(TInWei) * wei_k_y_x_c.mDesc.GetElementSpace());
+    DeviceMem out_n_ho_wo_k_device_buf(sizeof(TOut) * out_n_ho_wo_k.mDesc.GetElementSpace());
+
+    in_n_hi_wi_c_device_buf.ToDevice(in_n_hi_wi_c.mData.data());
+    wei_k_y_x_c_device_buf.ToDevice(wei_k_y_x_c.mData.data());
+    out_n_ho_wo_k_device_buf.ToDevice(out_n_ho_wo_k.mData.data());
+
+    const auto in_n_hi_wi_c_desc  = make_naive_tensor_descriptor_packed(in_n_hi_wi_c_lengths);
+    const auto wei_k_y_x_c_desc   = make_naive_tensor_descriptor_packed(wei_k_y_x_c_lengths);
+    const auto out_n_ho_wo_k_desc = make_naive_tensor_descriptor_packed(out_n_ho_wo_k_lengths);
+
+#if 0
+    // [M, N, K0, K1] = [256, 128, 4, 4], C = 128,  for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t GemmMPerBlock = 256;
+    constexpr index_t GemmNPerBlock = 128;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerWave = 32;
+    constexpr index_t GemmNPerWave = 32;
+    constexpr index_t GemmK1       = 4;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 4, 4>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 4;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 4;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 2, 4>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmN  = 2;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 4;
+
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 4], C = 64, for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t GemmMPerBlock = 128;
+    constexpr index_t GemmNPerBlock = 128;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerWave = 32;
+    constexpr index_t GemmNPerWave = 32;
+    constexpr index_t GemmK1       = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 2, 4>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 4;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 4;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 2, 4>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmN  = 2;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 4;
+
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#elif 1
+    // [M, N, K0, K1] = [256, 128, 4, 8], C = 128, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t GemmMPerBlock = 256;
+    constexpr index_t GemmNPerBlock = 128;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerWave = 32;
+    constexpr index_t GemmNPerWave = 32;
+    constexpr index_t GemmK1       = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 4, 8>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 2, 8>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmN  = 2;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 8], C = 128, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t GemmMPerBlock = 128;
+    constexpr index_t GemmNPerBlock = 256;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerWave = 32;
+    constexpr index_t GemmNPerWave = 32;
+    constexpr index_t GemmK1       = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 2, 8>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 4, 8>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmN  = 4;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 64, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t GemmMPerBlock = 128;
+    constexpr index_t GemmNPerBlock = 128;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerWave = 32;
+    constexpr index_t GemmNPerWave = 32;
+    constexpr index_t GemmK1       = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 2, 8>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 2, 8>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmN  = 2;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 64, 4, 8], C = 64, for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t GemmMPerBlock = 128;
+    constexpr index_t GemmNPerBlock = 64;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerWave = 32;
+    constexpr index_t GemmNPerWave = 32;
+    constexpr index_t GemmK1       = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 4, 8>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 32, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 2, 8>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 32, 1>;
+
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmN  = 2;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 64, 4, 8], C = 32, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t GemmMPerBlock = 128;
+    constexpr index_t GemmNPerBlock = 64;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerWave = 32;
+    constexpr index_t GemmNPerWave = 32;
+    constexpr index_t GemmK1       = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 1;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 2, 8>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 1, 8>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmN  = 1;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#endif
+
+    // HACK: hacks that control index calculation when iterating over A, B, C matrix
+    constexpr auto out_gemmk0_gemmm_gemmk1_grid_step_hacks =
+        make_tuple(make_tuple(Sequence<0, 0, 0>{},   // 0+: gemmk0
+                              Sequence<0, 0, 0>{},   // 1+: gemmm
+                              Sequence<0, 0, 0>{}),  // 2+: gemmk1
+                   make_tuple(Sequence<0, 0, 0>{},   // 0-: gemmk0
+                              Sequence<0, 0, 0>{},   // 1-: gemmm
+                              Sequence<0, 0, 0>{})); // 2-: gemmk1
+
+    constexpr auto wei_gemmk0_gemmn_gemmk1_grid_step_hacks =
+        make_tuple(make_tuple(Sequence<0, 0, 0>{},   // 0+: gemmk0
+                              Sequence<0, 0, 0>{},   // 1+: gemmn
+                              Sequence<0, 0, 0>{}),  // 2+: gemmk1
+                   make_tuple(Sequence<0, 0, 0>{},   // 0-: Gemmk0
+                              Sequence<0, 0, 0>{},   // 1-: Gemmn
+                              Sequence<0, 0, 0>{})); // 2-: Gemmk1
+
+    // clang-format off
+    constexpr auto in_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks = make_tuple(
+        make_tuple(
+            Sequence<0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0+: M0
+            Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1+: N0
+            Sequence<0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2+: M1
+            Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3+: N1
+            Sequence<0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4+: M2
+            Sequence<0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5+: M3
+            Sequence<0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6+: M4
+            Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{}),  // 7+: N2
+        make_tuple(
+            Sequence<0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0-: M0
+            Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1-: N0
+            Sequence<0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2-: M1
+            Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3-: N1
+            Sequence<0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4-: M2
+            Sequence<0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5-: M3
+            Sequence<0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6-: M4
+            Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 7-: N2
+    // clang-format on
+
+    constexpr auto out_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks = Sequence<0, 0, 0>{};
+
+    constexpr auto wei_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks = Sequence<0, 0, 0>{};
+
+    for(index_t i = 0; i < 5; ++i)
+    {
+        const auto descs = transform_backward_data_convolution_into_gemm_v4r1r2_nhwc_kyxc_nhwk_1x1(
+            out_n_ho_wo_k_desc,
+            wei_k_y_x_c_desc,
+            in_n_hi_wi_c_desc,
+            conv_strides,
+            Number<GemmK1>{});
+
+        const auto out_gemmk0_gemmm_gemmk1_grid_desc = descs[I0];
+        const auto wei_gemmk0_gemmn_gemmk1_grid_desc = descs[I1];
+        const auto in_gemmm_gemmn_grid_desc          = descs[I2];
+
+        float ave_time = driver_gemm_xdlops_v2r3<
+            BlockSize,
+            TInWei,
+            TAcc,
+            TOut,
+            InMemoryDataOperationEnum_t::Set,
+            decltype(out_gemmk0_gemmm_gemmk1_grid_desc),
+            decltype(wei_gemmk0_gemmn_gemmk1_grid_desc),
+            decltype(in_gemmm_gemmn_grid_desc),
+            GemmMPerBlock,
+            GemmNPerBlock,
+            GemmKPerBlock,
+            GemmMPerWave,
+            GemmNPerWave,
+            GemmK1,
+            MRepeat,
+            NRepeat,
+            GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1,
+            GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1,
+            Sequence<1, 0, 2>,
+            Sequence<1, 0, 2>,
+            2,
+            GemmABlockTransferSrcScalarPerVector_GemmK1,
+            GemmABlockTransferDstScalarPerVector_GemmK1,
+            false, // don't move back src coordinate after threadwise copy
+            GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1,
+            GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1,
+            Sequence<2, 0, 1>,
+            Sequence<0, 2, 1>,
+            1,
+            GemmBBlockTransferSrcScalarPerVector_GemmN,
+            GemmBBlockTransferDstScalarPerVector_GemmK1,
+            false, // don't move back src coordinate after threadwise copy
+#if 0
+            Sequence<0, 2, 4, 5, 6, 1, 3, 7>,
+#else
+            Sequence<0, 1, 2, 3, 4, 5, 6, 7>,
+#endif
+            7,
+            GemmCThreadTransferDstScalarPerVector,
+            decltype(out_gemmk0_gemmm_gemmk1_grid_step_hacks),
+            decltype(wei_gemmk0_gemmn_gemmk1_grid_step_hacks),
+            decltype(in_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
+            decltype(out_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks),
+            decltype(wei_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks),
+            true,  // CAccessOrderMRepeatNRepeat
+            false, // ABlockLdsExtraM
+            false  // BBlockLdsExtraN
+            >(static_cast<TOut*>(out_n_ho_wo_k_device_buf.GetDeviceBuffer()),
+              static_cast<TInWei*>(wei_k_y_x_c_device_buf.GetDeviceBuffer()),
+              static_cast<TInWei*>(in_n_hi_wi_c_device_buf.GetDeviceBuffer()),
+              out_gemmk0_gemmm_gemmk1_grid_desc,
+              wei_gemmk0_gemmn_gemmk1_grid_desc,
+              in_gemmm_gemmn_grid_desc,
+              debug::debug_driver_gemm_xdlops_v2r3::M01,
+              debug::debug_driver_gemm_xdlops_v2r3::N01,
+              out_gemmk0_gemmm_gemmk1_grid_step_hacks,
+              wei_gemmk0_gemmn_gemmk1_grid_step_hacks,
+              in_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,
+              out_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks,
+              wei_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks,
+              nrepeat);
+
+        {
+            const auto N = out_n_ho_wo_k_lengths[I0];
+            const auto K = out_n_ho_wo_k_lengths[I3];
+            const auto C = wei_k_y_x_c_lengths[I3];
+
+            const auto Ho = out_n_ho_wo_k_lengths[I1];
+            const auto Wo = out_n_ho_wo_k_lengths[I2];
+
+            const auto Y = wei_k_y_x_c_lengths[I1];
+            const auto X = wei_k_y_x_c_lengths[I2];
+
+            float perf = static_cast<float>((std::size_t(2) * N * K * Ho * Wo * C * Y * X)) /
+                         (std::size_t(1000) * 1000 * 1000) / ave_time;
+
+            std::cout << "Average time : " << ave_time << " ms, " << perf << " TFlop/s"
+                      << std::endl;
+        }
+    }
+
+    // copy result back to host
+    in_n_hi_wi_c_device_buf.FromDevice(in_n_hi_wi_c.mData.data());
+}

host/driver_offline/include/device_convolution_backward_weight_implicit_gemm_v4r4r2_xdlops_nchw_kcyx_nkhw.hpp

@@ -203,18 +203,23 @@ void device_convolution_backward_weight_implicit_gemm_v4r4r2_xdlops_nchw_kcyx_nk
             decltype(wei_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
             decltype(out_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks),
             decltype(in_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks),
-            false>(static_cast<TOut*>(out_n_k_ho_wo_device_buf.GetDeviceBuffer()),
-                   static_cast<TInWei*>(in_n_c_hi_wi_device_buf.GetDeviceBuffer()),
-                   static_cast<TInWei*>(wei_k_c_y_x_device_buf.GetDeviceBuffer()),
-                   out_gemmk0_gemmm_gemmk1_grid_desc,
-                   in_gemmk0_gemmn_gemmk1_grid_desc,
-                   wei_gemmm_gemmn_grid_desc,
-                   out_gemmk0_gemmm_gemmk1_grid_step_hacks,
-                   in_gemmk0_gemmn_gemmk1_grid_step_hacks,
-                   wei_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,
-                   out_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks,
-                   in_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks,
-                   nrepeat);
+            false, // CAccessOrderMRepeatNRepeat
+            true,  // ABlockLdsExtraM
+            true   // BBlockLdsExtraN
+            >(static_cast<TOut*>(out_n_k_ho_wo_device_buf.GetDeviceBuffer()),
+              static_cast<TInWei*>(in_n_c_hi_wi_device_buf.GetDeviceBuffer()),
+              static_cast<TInWei*>(wei_k_c_y_x_device_buf.GetDeviceBuffer()),
+              out_gemmk0_gemmm_gemmk1_grid_desc,
+              in_gemmk0_gemmn_gemmk1_grid_desc,
+              wei_gemmm_gemmn_grid_desc,
+              debug::debug_driver_gemm_xdlops_v2r3::M01,
+              debug::debug_driver_gemm_xdlops_v2r3::N01,
+              out_gemmk0_gemmm_gemmk1_grid_step_hacks,
+              in_gemmk0_gemmn_gemmk1_grid_step_hacks,
+              wei_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,
+              out_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks,
+              in_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks,
+              nrepeat);
 
         float perf = static_cast<float>(calculate_convolution_flops(
                          in_n_c_hi_wi_desc, wei_k_c_y_x_desc, out_n_k_ho_wo_desc)) /

host/driver_offline/include/device_convolution_forward_implicit_gemm_v4r4r4_xdlops_nhwc_kyxc_nhwk.hpp

@@ -49,7 +49,7 @@ void device_convolution_forward_implicit_gemm_v4r4r4_xdlops_nhwc_kyxc_nhwk(
     const auto out_n_ho_wo_k_desc = make_naive_tensor_descriptor_packed(out_n_ho_wo_k_lengths);
 
 #if 0
-    // [M, N, K0, K1] = [256, 128, 4, 4] for fp32
+    // [M, N, K0, K1] = [256, 128, 4, 4], C = 128, for fp32
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 256;
@@ -77,7 +77,7 @@ void device_convolution_forward_implicit_gemm_v4r4r4_xdlops_nhwc_kyxc_nhwk(
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
 #elif 0
-    // [M, N, K0, K1] = [128, 128, 4, 4] for fp32
+    // [M, N, K0, K1] = [128, 128, 4, 4], C = 128, for fp32
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 128;
@@ -105,7 +105,7 @@ void device_convolution_forward_implicit_gemm_v4r4r4_xdlops_nhwc_kyxc_nhwk(
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
 #elif 0
-    // [M, N, K0, K1] = [256, 256, 4, 8] for fp16
+    // [M, N, K0, K1] = [256, 256, 4, 8], C = 256, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 256;
@@ -133,7 +133,7 @@ void device_convolution_forward_implicit_gemm_v4r4r4_xdlops_nhwc_kyxc_nhwk(
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
 #elif 0
-    // [M, N, K0, K1] = [256, 128, 4, 8] for fp16
+    // [M, N, K0, K1] = [256, 128, 4, 8], C = 128, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 256;
@@ -160,8 +160,8 @@ void device_convolution_forward_implicit_gemm_v4r4r4_xdlops_nhwc_kyxc_nhwk(
     constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
-#elif 1
-    // [M, N, K0, K1] = [128, 256, 4, 8] for fp16
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 8], C = 128, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 128;
@@ -189,7 +189,7 @@ void device_convolution_forward_implicit_gemm_v4r4r4_xdlops_nhwc_kyxc_nhwk(
 
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
 #elif 1
-    // [M, N, K0, K1] = [128, 128, 4, 8] for fp16
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 64, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t GemmMPerBlock = 128;
@@ -215,6 +215,62 @@ void device_convolution_forward_implicit_gemm_v4r4r4_xdlops_nhwc_kyxc_nhwk(
     constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmK1 = 8;
     constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
 
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 64, 4, 8], C = 64, for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t GemmMPerBlock = 128;
+    constexpr index_t GemmNPerBlock = 64;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerXDL = 32;
+    constexpr index_t GemmNPerXDL = 32;
+    constexpr index_t GemmK1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 4, 8>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 32, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 2, 8>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 32, 1>;
+
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
+#elif 1
+    // [M, N, K0, K1] = [128, 64, 4, 8], C = 32, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t GemmMPerBlock = 128;
+    constexpr index_t GemmNPerBlock = 64;
+    constexpr index_t GemmKPerBlock = 4;
+
+    constexpr index_t GemmMPerXDL = 32;
+    constexpr index_t GemmNPerXDL = 32;
+    constexpr index_t GemmK1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 1;
+
+    using GemmABlockTransferThreadSliceLengths_GemmK0_GemmM_GemmK1   = Sequence<1, 2, 8>;
+    using GemmABlockTransferThreadClusterLengths_GemmK0_GemmM_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmABlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmABlockTransferDstScalarPerVector_GemmK1 = 8;
+
+    using GemmBBlockTransferThreadSliceLengths_GemmK0_GemmN_GemmK1   = Sequence<1, 1, 8>;
+    using GemmBBlockTransferThreadClusterLengths_GemmK0_GemmN_GemmK1 = Sequence<4, 64, 1>;
+
+    constexpr index_t GemmBBlockTransferSrcScalarPerVector_GemmK1 = 8;
+    constexpr index_t GemmBBlockTransferDstScalarPerVector_GemmK1 = 8;
+
     constexpr index_t GemmCThreadTransferDstScalarPerVector = 1;
 #endif
 
@@ -316,13 +372,17 @@ void device_convolution_forward_implicit_gemm_v4r4r4_xdlops_nhwc_kyxc_nhwk(
             decltype(out_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
             decltype(in_gemmk0_gemmm_gemmk1_grid_move_slice_window_step_hacks),
             decltype(wei_gemmk0_gemmn_gemmk1_grid_move_slice_window_step_hacks),
-            false // CAccessOrderMRepeatNRepeat
+            false, // CAccessOrderMRepeatNRepeat
+            true,  // ABlockLdsExtraM
+            true   // BBlockLdsExtraN
             >(static_cast<TInWei*>(in_n_hi_wi_c_device_buf.GetDeviceBuffer()),
               static_cast<TInWei*>(wei_k_y_x_c_device_buf.GetDeviceBuffer()),
               static_cast<TOut*>(out_n_ho_wo_k_device_buf.GetDeviceBuffer()),
               in_gemmk0_gemmm_gemmk1_grid_desc,
               wei_gemmk0_gemmn_gemmk1_grid_desc,
               out_gemmm_gemmn_grid_desc,
+              debug::debug_driver_gemm_xdlops_v2r3::M01,
+              debug::debug_driver_gemm_xdlops_v2r3::N01,
               in_gemmk0_gemmm_gemmk1_grid_step_hacks,
               wei_gemmk0_gemmn_gemmk1_grid_step_hacks,
               out_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,

host/driver_offline/include/device_gemm_xdlops_km_kn_mn.hpp

@@ -4,16 +4,8 @@
 #include "host_tensor.hpp"
 #include "driver_gemm_xdlops_v2r3.hpp"
 
-template <typename ABType,
-          typename AccType,
-          typename CType,
-          typename ADesc,
-          typename BDesc,
-          typename CDesc>
-void device_gemm_xdlops_km_kn_mn(const ADesc& a_k_m_grid_desc,
-                                 const BDesc& b_k_n_grid_desc,
-                                 const CDesc& c_m_n_grid_desc,
-                                 const Tensor<ABType>& a_k_m,
+template <typename ABType, typename AccType, typename CType>
+void device_gemm_xdlops_km_kn_mn(const Tensor<ABType>& a_k_m,
                                  const Tensor<ABType>& b_k_n,
                                  Tensor<CType>& c_m_n,
                                  ck::index_t nrepeat)
@@ -22,9 +14,6 @@ void device_gemm_xdlops_km_kn_mn(const ADesc& a_k_m_grid_desc,
 
     std::cout << __func__ << std::endl;
 
-    constexpr auto I0 = Number<0>{};
-    constexpr auto I1 = Number<1>{};
-
     DeviceMem a_k_m_device_buf(sizeof(ABType) * a_k_m.mDesc.GetElementSpace());
     DeviceMem b_k_n_device_buf(sizeof(ABType) * b_k_n.mDesc.GetElementSpace());
     DeviceMem c_m_n_device_buf(sizeof(CType) * c_m_n.mDesc.GetElementSpace());
@@ -60,9 +49,121 @@ void device_gemm_xdlops_km_kn_mn(const ADesc& a_k_m_grid_desc,
     constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
     constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
 
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 4], C = 128, for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 256;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 4], C = 64, for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 64, 4, 4], C = 32, for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 64;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 1;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 1, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 1;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [64, 128, 4, 4], C = 32, for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 64;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 1;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 1, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 1;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
     constexpr index_t CThreadTransferDstScalarPerVector = 1;
 #elif 1
-    // [M, N, K0, K1] = [256, 128, 4, 8] for fp16
+    // [M, N, K0, K1] = [256, 128, 4, 8], C = 128, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t MPerBlock = 256;
@@ -88,46 +189,185 @@ void device_gemm_xdlops_km_kn_mn(const ADesc& a_k_m_grid_desc,
     constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
     constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
 
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 8] for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 256;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 128, for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 64, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 1
+    // [M, N, K0, K1] = [128, 64, 4, 8], C = 32, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 64;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 1;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 1, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 1;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [64, 128, 4, 8], C = 32, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 64;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 1;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 1, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 1;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
     constexpr index_t CThreadTransferDstScalarPerVector = 1;
 #endif
 
-    const auto K = a_k_m_grid_desc.GetLength(I0);
-    const auto M = a_k_m_grid_desc.GetLength(I1);
-    const auto N = b_k_n_grid_desc.GetLength(I1);
+    const auto K = a_k_m.mDesc.GetLengths()[0];
+    const auto M = a_k_m.mDesc.GetLengths()[1];
+    const auto N = b_k_n.mDesc.GetLengths()[1];
 
     constexpr auto K1Number = Number<K1>{};
     const auto K0           = K / K1Number;
 
     const auto a_k0_m_k1_grid_desc =
-        transform_tensor_descriptor(a_k_m_grid_desc,
-                                    make_tuple(make_unmerge_transform(make_tuple(K0, K1Number)),
-                                               make_pass_through_transform(M)),
-                                    make_tuple(Sequence<0>{}, Sequence<1>{}),
-                                    make_tuple(Sequence<0, 2>{}, Sequence<1>{}));
+        make_naive_tensor_descriptor(make_tuple(K0, M, K1Number),
+                                     make_tuple(K1Number * a_k_m.mDesc.GetStrides()[0],
+                                                a_k_m.mDesc.GetStrides()[1],
+                                                a_k_m.mDesc.GetStrides()[0]));
 
     const auto b_k0_n_k1_grid_desc =
-        transform_tensor_descriptor(b_k_n_grid_desc,
-                                    make_tuple(make_unmerge_transform(make_tuple(K0, K1Number)),
-                                               make_pass_through_transform(N)),
-                                    make_tuple(Sequence<0>{}, Sequence<1>{}),
-                                    make_tuple(Sequence<0, 2>{}, Sequence<1>{}));
+        make_naive_tensor_descriptor(make_tuple(K0, N, K1Number),
+                                     make_tuple(K1Number * b_k_n.mDesc.GetStrides()[0],
+                                                b_k_n.mDesc.GetStrides()[1],
+                                                b_k_n.mDesc.GetStrides()[0]));
+
+    const auto c_m_n_grid_desc = make_naive_tensor_descriptor(
+        make_tuple(M, N), make_tuple(c_m_n.mDesc.GetStrides()[0], c_m_n.mDesc.GetStrides()[1]));
 
     // HACK: hacks that control index calculation when iterating over A, B, C matrix
-    constexpr auto a_k0_m_k1_grid_step_hacks =
-        make_tuple(make_tuple(Sequence<0, 0, 0>{},   // 0+: K0
-                              Sequence<0, 0, 0>{},   // 1+: M
-                              Sequence<0, 0, 0>{}),  // 2+: K1
-                   make_tuple(Sequence<0, 0, 0>{},   // 0-: K0
-                              Sequence<0, 0, 0>{},   // 1-: M
-                              Sequence<0, 0, 0>{})); // 2-: K1
-
-    constexpr auto b_k0_n_k1_grid_step_hacks =
-        make_tuple(make_tuple(Sequence<0, 0, 0>{},   // 0+: K0
-                              Sequence<0, 0, 0>{},   // 1+: N
-                              Sequence<0, 0, 0>{}),  // 2+: K1
-                   make_tuple(Sequence<0, 0, 0>{},   // 0-: K0
-                              Sequence<0, 0, 0>{},   // 1-: N
-                              Sequence<0, 0, 0>{})); // 2-: K1
+    constexpr auto a_k0_m_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: M
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: M
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto b_k0_n_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: N
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: N
+                                                                     Sequence<0>{})); // 2-: K1
 
     constexpr auto c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks =
         make_tuple(make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0+: M0
@@ -147,9 +387,9 @@ void device_gemm_xdlops_km_kn_mn(const ADesc& a_k_m_grid_desc,
                               Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6-: M4
                               Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 7-: N2
 
-    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0, 0, 0>{};
+    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
 
-    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0, 0, 0>{};
+    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
 
     for(index_t i = 0; i < 5; ++i)
     {
@@ -194,13 +434,17 @@ void device_gemm_xdlops_km_kn_mn(const ADesc& a_k_m_grid_desc,
                                     decltype(c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
                                     decltype(a_k0_m_k1_grid_move_slice_window_step_hacks),
                                     decltype(b_k0_n_k1_grid_move_slice_window_step_hacks),
-                                    false // CAccessOrderMRepeatNRepeat
+                                    false, // CAccessOrderMRepeatNRepeat
+                                    true,  // ABlockLdsExtraM
+                                    true   // BBlockLdsExtraN
                                     >(static_cast<ABType*>(a_k_m_device_buf.GetDeviceBuffer()),
                                       static_cast<ABType*>(b_k_n_device_buf.GetDeviceBuffer()),
                                       static_cast<CType*>(c_m_n_device_buf.GetDeviceBuffer()),
                                       a_k0_m_k1_grid_desc,
                                       b_k0_n_k1_grid_desc,
                                       c_m_n_grid_desc,
+                                      debug::debug_driver_gemm_xdlops_v2r3::M01,
+                                      debug::debug_driver_gemm_xdlops_v2r3::N01,
                                       a_k0_m_k1_grid_step_hacks,
                                       b_k0_n_k1_grid_step_hacks,
                                       c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,

host/driver_offline/include/device_gemm_xdlops_km_kn_nm.hpp

+#pragma once
+#include <unistd.h>
+#include "device.hpp"
+#include "host_tensor.hpp"
+#include "driver_gemm_xdlops_v2r3.hpp"
+
+template <typename ABType, typename AccType, typename CType>
+void device_gemm_xdlops_km_kn_nm(const Tensor<ABType>& a_k_m,
+                                 const Tensor<ABType>& b_k_n,
+                                 Tensor<CType>& c_n_m,
+                                 ck::index_t nrepeat)
+{
+    using namespace ck;
+
+    std::cout << __func__ << std::endl;
+
+    DeviceMem a_k_m_device_buf(sizeof(ABType) * a_k_m.mDesc.GetElementSpace());
+    DeviceMem b_k_n_device_buf(sizeof(ABType) * b_k_n.mDesc.GetElementSpace());
+    DeviceMem c_n_m_device_buf(sizeof(CType) * c_n_m.mDesc.GetElementSpace());
+
+    a_k_m_device_buf.ToDevice(a_k_m.mData.data());
+    b_k_n_device_buf.ToDevice(b_k_n.mData.data());
+    c_n_m_device_buf.ToDevice(c_n_m.mData.data());
+
+#if 0
+    // [M, N, K0, K1] = [256, 128, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 256;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 256;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 1
+    // [M, N, K0, K1] = [256, 128, 4, 8] for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 256;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 1
+    // [M, N, K0, K1] = [128, 128, 4, 8] for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#endif
+
+    const auto K = a_k_m.mDesc.GetLengths()[0];
+    const auto M = a_k_m.mDesc.GetLengths()[1];
+    const auto N = b_k_n.mDesc.GetLengths()[1];
+
+    constexpr auto K1Number = Number<K1>{};
+    const auto K0           = K / K1Number;
+
+    const auto a_k0_m_k1_grid_desc =
+        make_naive_tensor_descriptor(make_tuple(K0, M, K1Number),
+                                     make_tuple(K1Number * a_k_m.mDesc.GetStrides()[0],
+                                                a_k_m.mDesc.GetStrides()[1],
+                                                a_k_m.mDesc.GetStrides()[0]));
+
+    const auto b_k0_n_k1_grid_desc =
+        make_naive_tensor_descriptor(make_tuple(K0, N, K1Number),
+                                     make_tuple(K1Number * b_k_n.mDesc.GetStrides()[0],
+                                                b_k_n.mDesc.GetStrides()[1],
+                                                b_k_n.mDesc.GetStrides()[0]));
+
+    const auto c_m_n_grid_desc = make_naive_tensor_descriptor(
+        make_tuple(M, N), make_tuple(c_n_m.mDesc.GetStrides()[1], c_n_m.mDesc.GetStrides()[0]));
+
+    // HACK: hacks that control index calculation when iterating over A, B, C matrix
+    constexpr auto a_k0_m_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: M
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: M
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto b_k0_n_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: N
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: N
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks =
+        make_tuple(make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0+: M0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1+: N0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2+: M1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3+: N1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4+: M2
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5+: M3
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6+: M4
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{}),  // 7+: N2
+                   make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0-: M0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1-: N0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2-: M1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3-: N1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4-: M2
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5-: M3
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6-: M4
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 7-: N2
+
+    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
+
+    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
+
+    for(index_t i = 0; i < 5; ++i)
+    {
+        float ave_time =
+            driver_gemm_xdlops_v2r3<BlockSize,
+                                    ABType,
+                                    AccType,
+                                    CType,
+                                    InMemoryDataOperationEnum_t::Set,
+                                    decltype(a_k0_m_k1_grid_desc),
+                                    decltype(b_k0_n_k1_grid_desc),
+                                    decltype(c_m_n_grid_desc),
+                                    MPerBlock,
+                                    NPerBlock,
+                                    KPerBlock,
+                                    MPerXDL,
+                                    NPerXDL,
+                                    K1,
+                                    MRepeat,
+                                    NRepeat,
+                                    ABlockTransferThreadSliceLengths_K0_M_K1,
+                                    ABlockTransferThreadClusterLengths_K0_M_K1,
+                                    Sequence<0, 2, 1>,
+                                    Sequence<0, 2, 1>,
+                                    1,
+                                    ABlockTransferSrcScalarPerVector_M,
+                                    ABlockTransferDstScalarPerVector_K1,
+                                    false, // don't move back src coordinate after threadwise copy
+                                    BBlockTransferThreadSliceLengths_K0_N_K1,
+                                    BBlockTransferThreadClusterLengths_K0_N_K1,
+                                    Sequence<0, 2, 1>,
+                                    Sequence<0, 2, 1>,
+                                    1,
+                                    BBlockTransferSrcScalarPerVector_N,
+                                    BBlockTransferDstScalarPerVector_K1,
+                                    false, // don't move back src coordinate after threadwise copy
+                                    Sequence<2, 3, 0, 1, 7, 5, 4, 6>,
+                                    6,
+                                    CThreadTransferDstScalarPerVector,
+                                    decltype(a_k0_m_k1_grid_step_hacks),
+                                    decltype(b_k0_n_k1_grid_step_hacks),
+                                    decltype(c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
+                                    decltype(a_k0_m_k1_grid_move_slice_window_step_hacks),
+                                    decltype(b_k0_n_k1_grid_move_slice_window_step_hacks),
+                                    false // CAccessOrderMRepeatNRepeat
+                                    >(static_cast<ABType*>(a_k_m_device_buf.GetDeviceBuffer()),
+                                      static_cast<ABType*>(b_k_n_device_buf.GetDeviceBuffer()),
+                                      static_cast<CType*>(c_n_m_device_buf.GetDeviceBuffer()),
+                                      a_k0_m_k1_grid_desc,
+                                      b_k0_n_k1_grid_desc,
+                                      c_m_n_grid_desc,
+                                      a_k0_m_k1_grid_step_hacks,
+                                      b_k0_n_k1_grid_step_hacks,
+                                      c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,
+                                      a_k0_m_k1_grid_move_slice_window_step_hacks,
+                                      b_k0_n_k1_grid_move_slice_window_step_hacks,
+                                      nrepeat);
+
+        float perf = static_cast<float>((std::size_t(2) * M * N * K)) /
+                     (std::size_t(1000) * 1000 * 1000) / ave_time;
+
+        std::cout << "Average time : " << ave_time << " ms, " << perf << " TFlop/s" << std::endl;
+    }
+
+    // copy result back to host
+    c_n_m_device_buf.FromDevice(c_n_m.mData.data());
+}

host/driver_offline/include/device_gemm_xdlops_km_nk_mn.hpp

@@ -4,16 +4,8 @@
 #include "host_tensor.hpp"
 #include "driver_gemm_xdlops_v2r3.hpp"
 
-template <typename ABType,
-          typename AccType,
-          typename CType,
-          typename ADesc,
-          typename BDesc,
-          typename CDesc>
-void device_gemm_xdlops_km_nk_mn(const ADesc& a_k_m_grid_desc,
-                                 const BDesc& b_n_k_grid_desc,
-                                 const CDesc& c_m_n_grid_desc,
-                                 const Tensor<ABType>& a_k_m,
+template <typename ABType, typename AccType, typename CType>
+void device_gemm_xdlops_km_nk_mn(const Tensor<ABType>& a_k_m,
                                  const Tensor<ABType>& b_n_k,
                                  Tensor<CType>& c_m_n,
                                  ck::index_t nrepeat)
@@ -22,9 +14,6 @@ void device_gemm_xdlops_km_nk_mn(const ADesc& a_k_m_grid_desc,
 
     std::cout << __func__ << std::endl;
 
-    constexpr auto I0 = Number<0>{};
-    constexpr auto I1 = Number<1>{};
-
     DeviceMem a_k_m_device_buf(sizeof(ABType) * a_k_m.mDesc.GetElementSpace());
     DeviceMem b_n_k_device_buf(sizeof(ABType) * b_n_k.mDesc.GetElementSpace());
     DeviceMem c_m_n_device_buf(sizeof(CType) * c_m_n.mDesc.GetElementSpace());
@@ -60,9 +49,121 @@ void device_gemm_xdlops_km_nk_mn(const ADesc& a_k_m_grid_desc,
     constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
     constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
 
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 256;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 4], C = 64,  for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 64, 4, 4], C = 32, for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 64;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 1;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 1, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [64, 128, 4, 4], C = 32, for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 64;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 1;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 1, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 1;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
     constexpr index_t CThreadTransferDstScalarPerVector = 1;
 #elif 1
-    // [M, N, K0, K1] = [256, 128, 4, 8] for fp16
+    // [M, N, K0, K1] = [256, 128, 4, 8], C = 128, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t MPerBlock = 256;
@@ -88,46 +189,185 @@ void device_gemm_xdlops_km_nk_mn(const ADesc& a_k_m_grid_desc,
     constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
     constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
 
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 8] for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 256;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 128,  for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 64,  for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 1
+    // [M, N, K0, K1] = [128, 64, 4, 8], C = 32,  for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 64;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 1;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 1, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [64, 128, 4, 8], C = 32,  for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 64;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 1;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 1, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 1;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
     constexpr index_t CThreadTransferDstScalarPerVector = 1;
 #endif
 
-    const auto K = a_k_m_grid_desc.GetLength(I0);
-    const auto M = a_k_m_grid_desc.GetLength(I1);
-    const auto N = b_n_k_grid_desc.GetLength(I0);
+    const auto K = a_k_m.mDesc.GetLengths()[0];
+    const auto M = a_k_m.mDesc.GetLengths()[1];
+    const auto N = b_n_k.mDesc.GetLengths()[0];
 
     constexpr auto K1Number = Number<K1>{};
     const auto K0           = K / K1Number;
 
     const auto a_k0_m_k1_grid_desc =
-        transform_tensor_descriptor(a_k_m_grid_desc,
-                                    make_tuple(make_unmerge_transform(make_tuple(K0, K1Number)),
-                                               make_pass_through_transform(M)),
-                                    make_tuple(Sequence<0>{}, Sequence<1>{}),
-                                    make_tuple(Sequence<0, 2>{}, Sequence<1>{}));
+        make_naive_tensor_descriptor(make_tuple(K0, M, K1Number),
+                                     make_tuple(K1Number * a_k_m.mDesc.GetStrides()[0],
+                                                a_k_m.mDesc.GetStrides()[1],
+                                                a_k_m.mDesc.GetStrides()[0]));
 
     const auto b_k0_n_k1_grid_desc =
-        transform_tensor_descriptor(b_n_k_grid_desc,
-                                    make_tuple(make_pass_through_transform(N),
-                                               make_unmerge_transform(make_tuple(K0, K1Number))),
-                                    make_tuple(Sequence<0>{}, Sequence<1>{}),
-                                    make_tuple(Sequence<1>{}, Sequence<0, 2>{}));
+        make_naive_tensor_descriptor(make_tuple(K0, N, K1Number),
+                                     make_tuple(K1Number * b_n_k.mDesc.GetStrides()[1],
+                                                b_n_k.mDesc.GetStrides()[0],
+                                                b_n_k.mDesc.GetStrides()[1]));
+
+    const auto c_m_n_grid_desc = make_naive_tensor_descriptor(
+        make_tuple(M, N), make_tuple(c_m_n.mDesc.GetStrides()[0], c_m_n.mDesc.GetStrides()[1]));
 
     // HACK: hacks that control index calculation when iterating over A, B, C matrix
-    constexpr auto a_k0_m_k1_grid_step_hacks =
-        make_tuple(make_tuple(Sequence<0, 0, 0>{},   // 0+: K0
-                              Sequence<0, 0, 0>{},   // 1+: M
-                              Sequence<0, 0, 0>{}),  // 2+: K1
-                   make_tuple(Sequence<0, 0, 0>{},   // 0-: K0
-                              Sequence<0, 0, 0>{},   // 1-: M
-                              Sequence<0, 0, 0>{})); // 2-: K1
-
-    constexpr auto b_k0_n_k1_grid_step_hacks =
-        make_tuple(make_tuple(Sequence<0, 0, 0>{},   // 0+: K0
-                              Sequence<0, 0, 0>{},   // 1+: N
-                              Sequence<0, 0, 0>{}),  // 2+: K1
-                   make_tuple(Sequence<0, 0, 0>{},   // 0-: K0
-                              Sequence<0, 0, 0>{},   // 1-: N
-                              Sequence<0, 0, 0>{})); // 2-: K1
+    constexpr auto a_k0_m_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: M
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: M
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto b_k0_n_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: N
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: N
+                                                                     Sequence<0>{})); // 2-: K1
 
     constexpr auto c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks =
         make_tuple(make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0+: M0
@@ -147,9 +387,9 @@ void device_gemm_xdlops_km_nk_mn(const ADesc& a_k_m_grid_desc,
                               Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6-: M4
                               Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 7-: N2
 
-    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0, 0, 0>{};
+    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
 
-    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0, 0, 0>{};
+    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
 
     for(index_t i = 0; i < 5; ++i)
     {
@@ -194,13 +434,17 @@ void device_gemm_xdlops_km_nk_mn(const ADesc& a_k_m_grid_desc,
                                     decltype(c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
                                     decltype(a_k0_m_k1_grid_move_slice_window_step_hacks),
                                     decltype(b_k0_n_k1_grid_move_slice_window_step_hacks),
-                                    false // CAccessOrderMRepeatNRepeat
+                                    false, // CAccessOrderMRepeatNRepeat
+                                    true,  // ABlockLdsExtraM
+                                    true   // BBlockLdsExtraN
                                     >(static_cast<ABType*>(a_k_m_device_buf.GetDeviceBuffer()),
                                       static_cast<ABType*>(b_n_k_device_buf.GetDeviceBuffer()),
                                       static_cast<CType*>(c_m_n_device_buf.GetDeviceBuffer()),
                                       a_k0_m_k1_grid_desc,
                                       b_k0_n_k1_grid_desc,
                                       c_m_n_grid_desc,
+                                      debug::debug_driver_gemm_xdlops_v2r3::M01,
+                                      debug::debug_driver_gemm_xdlops_v2r3::N01,
                                       a_k0_m_k1_grid_step_hacks,
                                       b_k0_n_k1_grid_step_hacks,
                                       c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,

host/driver_offline/include/device_gemm_xdlops_km_nk_nm.hpp

+#pragma once
+#include <unistd.h>
+#include "device.hpp"
+#include "host_tensor.hpp"
+#include "driver_gemm_xdlops_v2r3.hpp"
+
+template <typename ABType, typename AccType, typename CType>
+void device_gemm_xdlops_km_nk_nm(const Tensor<ABType>& a_k_m,
+                                 const Tensor<ABType>& b_n_k,
+                                 Tensor<CType>& c_n_m,
+                                 ck::index_t nrepeat)
+{
+    using namespace ck;
+
+    std::cout << __func__ << std::endl;
+
+    DeviceMem a_k_m_device_buf(sizeof(ABType) * a_k_m.mDesc.GetElementSpace());
+    DeviceMem b_n_k_device_buf(sizeof(ABType) * b_n_k.mDesc.GetElementSpace());
+    DeviceMem c_n_m_device_buf(sizeof(CType) * c_n_m.mDesc.GetElementSpace());
+
+    a_k_m_device_buf.ToDevice(a_k_m.mData.data());
+    b_n_k_device_buf.ToDevice(b_n_k.mData.data());
+    c_n_m_device_buf.ToDevice(c_n_m.mData.data());
+
+#if 0
+    // [M, N, K0, K1] = [256, 128, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 256;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 256;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 2;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 1
+    // [M, N, K0, K1] = [256, 128, 4, 8] for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 256;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 1
+    // [M, N, K0, K1] = [128, 128, 4, 8] for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_M  = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#endif
+
+    const auto K = a_k_m.mDesc.GetLengths()[0];
+    const auto M = a_k_m.mDesc.GetLengths()[1];
+    const auto N = b_n_k.mDesc.GetLengths()[0];
+
+    constexpr auto K1Number = Number<K1>{};
+    const auto K0           = K / K1Number;
+
+    const auto a_k0_m_k1_grid_desc =
+        make_naive_tensor_descriptor(make_tuple(K0, M, K1Number),
+                                     make_tuple(K1Number * a_k_m.mDesc.GetStrides()[0],
+                                                a_k_m.mDesc.GetStrides()[1],
+                                                a_k_m.mDesc.GetStrides()[0]));
+
+    const auto b_k0_n_k1_grid_desc =
+        make_naive_tensor_descriptor(make_tuple(K0, N, K1Number),
+                                     make_tuple(K1Number * b_n_k.mDesc.GetStrides()[1],
+                                                b_n_k.mDesc.GetStrides()[0],
+                                                b_n_k.mDesc.GetStrides()[1]));
+
+    const auto c_m_n_grid_desc = make_naive_tensor_descriptor(
+        make_tuple(M, N), make_tuple(c_n_m.mDesc.GetStrides()[1], c_n_m.mDesc.GetStrides()[0]));
+
+    // HACK: hacks that control index calculation when iterating over A, B, C matrix
+    constexpr auto a_k0_m_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: M
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: M
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto b_k0_n_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: N
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: N
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks =
+        make_tuple(make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0+: M0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1+: N0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2+: M1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3+: N1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4+: M2
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5+: M3
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6+: M4
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{}),  // 7+: N2
+                   make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0-: M0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1-: N0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2-: M1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3-: N1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4-: M2
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5-: M3
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6-: M4
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 7-: N2
+
+    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
+
+    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
+
+    for(index_t i = 0; i < 5; ++i)
+    {
+        float ave_time =
+            driver_gemm_xdlops_v2r3<BlockSize,
+                                    ABType,
+                                    AccType,
+                                    CType,
+                                    InMemoryDataOperationEnum_t::Set,
+                                    decltype(a_k0_m_k1_grid_desc),
+                                    decltype(b_k0_n_k1_grid_desc),
+                                    decltype(c_m_n_grid_desc),
+                                    MPerBlock,
+                                    NPerBlock,
+                                    KPerBlock,
+                                    MPerXDL,
+                                    NPerXDL,
+                                    K1,
+                                    MRepeat,
+                                    NRepeat,
+                                    ABlockTransferThreadSliceLengths_K0_M_K1,
+                                    ABlockTransferThreadClusterLengths_K0_M_K1,
+                                    Sequence<0, 2, 1>,
+                                    Sequence<0, 2, 1>,
+                                    1,
+                                    ABlockTransferSrcScalarPerVector_M,
+                                    ABlockTransferDstScalarPerVector_K1,
+                                    false, // don't move back src coordinate after threadwise copy
+                                    BBlockTransferThreadSliceLengths_K0_N_K1,
+                                    BBlockTransferThreadClusterLengths_K0_N_K1,
+                                    Sequence<1, 0, 2>,
+                                    Sequence<1, 0, 2>,
+                                    2,
+                                    BBlockTransferSrcScalarPerVector_K1,
+                                    BBlockTransferDstScalarPerVector_K1,
+                                    false, // don't move back src coordinate after threadwise copy
+                                    Sequence<2, 3, 0, 1, 7, 5, 4, 6>,
+                                    6,
+                                    CThreadTransferDstScalarPerVector,
+                                    decltype(a_k0_m_k1_grid_step_hacks),
+                                    decltype(b_k0_n_k1_grid_step_hacks),
+                                    decltype(c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
+                                    decltype(a_k0_m_k1_grid_move_slice_window_step_hacks),
+                                    decltype(b_k0_n_k1_grid_move_slice_window_step_hacks),
+                                    false // CAccessOrderMRepeatNRepeat
+                                    >(static_cast<ABType*>(a_k_m_device_buf.GetDeviceBuffer()),
+                                      static_cast<ABType*>(b_n_k_device_buf.GetDeviceBuffer()),
+                                      static_cast<CType*>(c_n_m_device_buf.GetDeviceBuffer()),
+                                      a_k0_m_k1_grid_desc,
+                                      b_k0_n_k1_grid_desc,
+                                      c_m_n_grid_desc,
+                                      a_k0_m_k1_grid_step_hacks,
+                                      b_k0_n_k1_grid_step_hacks,
+                                      c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,
+                                      a_k0_m_k1_grid_move_slice_window_step_hacks,
+                                      b_k0_n_k1_grid_move_slice_window_step_hacks,
+                                      nrepeat);
+
+        float perf = static_cast<float>((std::size_t(2) * M * N * K)) /
+                     (std::size_t(1000) * 1000 * 1000) / ave_time;
+
+        std::cout << "Average time : " << ave_time << " ms, " << perf << " TFlop/s" << std::endl;
+    }
+
+    // copy result back to host
+    c_n_m_device_buf.FromDevice(c_n_m.mData.data());
+}

host/driver_offline/include/device_gemm_xdlops_mk_kn_mn.hpp

@@ -4,16 +4,8 @@
 #include "host_tensor.hpp"
 #include "driver_gemm_xdlops_v2r3.hpp"
 
-template <typename ABType,
-          typename AccType,
-          typename CType,
-          typename ADesc,
-          typename BDesc,
-          typename CDesc>
-void device_gemm_xdlops_mk_kn_mn(const ADesc& a_m_k_grid_desc,
-                                 const BDesc& b_k_n_grid_desc,
-                                 const CDesc& c_m_n_grid_desc,
-                                 const Tensor<ABType>& a_m_k,
+template <typename ABType, typename AccType, typename CType>
+void device_gemm_xdlops_mk_kn_mn(const Tensor<ABType>& a_m_k,
                                  const Tensor<ABType>& b_k_n,
                                  Tensor<CType>& c_m_n,
                                  ck::index_t nrepeat)
@@ -22,9 +14,6 @@ void device_gemm_xdlops_mk_kn_mn(const ADesc& a_m_k_grid_desc,
 
     std::cout << __func__ << std::endl;
 
-    constexpr auto I0 = Number<0>{};
-    constexpr auto I1 = Number<1>{};
-
     DeviceMem a_m_k_device_buf(sizeof(ABType) * a_m_k.mDesc.GetElementSpace());
     DeviceMem b_k_n_device_buf(sizeof(ABType) * b_k_n.mDesc.GetElementSpace());
     DeviceMem c_m_n_device_buf(sizeof(CType) * c_m_n.mDesc.GetElementSpace());
@@ -33,8 +22,148 @@ void device_gemm_xdlops_mk_kn_mn(const ADesc& a_m_k_grid_desc,
     b_k_n_device_buf.ToDevice(b_k_n.mData.data());
     c_m_n_device_buf.ToDevice(c_m_n.mData.data());
 
-#if 1
-    // [M, N, K0, K1] = [256, 128, 4, 8] for fp16
+#if 0
+    // [M, N, K0, K1] = [256, 128, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 256;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 256;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 4], C = 64,  for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 64, 4, 4], C = 32,  for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 64;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 1;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 1, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 1;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [64, 128, 4, 4], C = 32,  for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 64;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 1;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 1, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 1
+    // [M, N, K0, K1] = [256, 128, 4, 8], C = 128, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t MPerBlock = 256;
@@ -88,46 +217,157 @@ void device_gemm_xdlops_mk_kn_mn(const ADesc& a_m_k_grid_desc,
     constexpr index_t BBlockTransferSrcScalarPerVector_N  = 4;
     constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
 
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 128,  for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 64,  for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 1
+    // [M, N, K0, K1] = [128, 64, 4, 8], C = 32, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 64;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 1;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 1, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 1;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 1
+    // [M, N, K0, K1] = [64, 128, 4, 8], C = 32, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 64;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 1;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 1, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
     constexpr index_t CThreadTransferDstScalarPerVector = 1;
 #endif
 
-    const auto K = a_m_k_grid_desc.GetLength(I1);
-    const auto M = a_m_k_grid_desc.GetLength(I0);
-    const auto N = b_k_n_grid_desc.GetLength(I1);
+    const auto K = a_m_k.mDesc.GetLengths()[1];
+    const auto M = a_m_k.mDesc.GetLengths()[0];
+    const auto N = b_k_n.mDesc.GetLengths()[1];
 
     constexpr auto K1Number = Number<K1>{};
     const auto K0           = K / K1Number;
 
     const auto a_k0_m_k1_grid_desc =
-        transform_tensor_descriptor(a_m_k_grid_desc,
-                                    make_tuple(make_pass_through_transform(M),
-                                               make_unmerge_transform(make_tuple(K0, K1Number))),
-                                    make_tuple(Sequence<0>{}, Sequence<1>{}),
-                                    make_tuple(Sequence<1>{}, Sequence<0, 2>{}));
+        make_naive_tensor_descriptor(make_tuple(K0, M, K1Number),
+                                     make_tuple(K1Number * a_m_k.mDesc.GetStrides()[1],
+                                                a_m_k.mDesc.GetStrides()[0],
+                                                a_m_k.mDesc.GetStrides()[1]));
 
     const auto b_k0_n_k1_grid_desc =
-        transform_tensor_descriptor(b_k_n_grid_desc,
-                                    make_tuple(make_unmerge_transform(make_tuple(K0, K1Number)),
-                                               make_pass_through_transform(N)),
-                                    make_tuple(Sequence<0>{}, Sequence<1>{}),
-                                    make_tuple(Sequence<0, 2>{}, Sequence<1>{}));
+        make_naive_tensor_descriptor(make_tuple(K0, N, K1Number),
+                                     make_tuple(K1Number * b_k_n.mDesc.GetStrides()[0],
+                                                b_k_n.mDesc.GetStrides()[1],
+                                                b_k_n.mDesc.GetStrides()[0]));
+
+    const auto c_m_n_grid_desc = make_naive_tensor_descriptor(
+        make_tuple(M, N), make_tuple(c_m_n.mDesc.GetStrides()[0], c_m_n.mDesc.GetStrides()[1]));
 
     // HACK: hacks that control index calculation when iterating over A, B, C matrix
-    constexpr auto a_k0_m_k1_grid_step_hacks =
-        make_tuple(make_tuple(Sequence<0, 0, 0>{},   // 0+: K0
-                              Sequence<0, 0, 0>{},   // 1+: M
-                              Sequence<0, 0, 0>{}),  // 2+: K1
-                   make_tuple(Sequence<0, 0, 0>{},   // 0-: K0
-                              Sequence<0, 0, 0>{},   // 1-: M
-                              Sequence<0, 0, 0>{})); // 2-: K1
-
-    constexpr auto b_k0_n_k1_grid_step_hacks =
-        make_tuple(make_tuple(Sequence<0, 0, 0>{},   // 0+: K0
-                              Sequence<0, 0, 0>{},   // 1+: N
-                              Sequence<0, 0, 0>{}),  // 2+: K1
-                   make_tuple(Sequence<0, 0, 0>{},   // 0-: K0
-                              Sequence<0, 0, 0>{},   // 1-: N
-                              Sequence<0, 0, 0>{})); // 2-: K1
+    constexpr auto a_k0_m_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: M
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: M
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto b_k0_n_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: N
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: N
+                                                                     Sequence<0>{})); // 2-: K1
 
     constexpr auto c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks =
         make_tuple(make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0+: M0
@@ -147,9 +387,9 @@ void device_gemm_xdlops_mk_kn_mn(const ADesc& a_m_k_grid_desc,
                               Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6-: M4
                               Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 7-: N2
 
-    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0, 0, 0>{};
+    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
 
-    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0, 0, 0>{};
+    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
 
     for(index_t i = 0; i < 5; ++i)
     {
@@ -194,13 +434,17 @@ void device_gemm_xdlops_mk_kn_mn(const ADesc& a_m_k_grid_desc,
                                     decltype(c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
                                     decltype(a_k0_m_k1_grid_move_slice_window_step_hacks),
                                     decltype(b_k0_n_k1_grid_move_slice_window_step_hacks),
-                                    false // CAccessOrderMRepeatNRepeat
+                                    false, // CAccessOrderMRepeatNRepeat
+                                    true,  // ABlockLdsExtraM
+                                    true   // BBlockLdsExtraN
                                     >(static_cast<ABType*>(a_m_k_device_buf.GetDeviceBuffer()),
                                       static_cast<ABType*>(b_k_n_device_buf.GetDeviceBuffer()),
                                       static_cast<CType*>(c_m_n_device_buf.GetDeviceBuffer()),
                                       a_k0_m_k1_grid_desc,
                                       b_k0_n_k1_grid_desc,
                                       c_m_n_grid_desc,
+                                      debug::debug_driver_gemm_xdlops_v2r3::M01,
+                                      debug::debug_driver_gemm_xdlops_v2r3::N01,
                                       a_k0_m_k1_grid_step_hacks,
                                       b_k0_n_k1_grid_step_hacks,
                                       c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,

host/driver_offline/include/device_gemm_xdlops_mk_kn_nm.hpp

+#pragma once
+#include <unistd.h>
+#include "device.hpp"
+#include "host_tensor.hpp"
+#include "driver_gemm_xdlops_v2r3.hpp"
+
+template <typename ABType, typename AccType, typename CType>
+void device_gemm_xdlops_mk_kn_nm(const Tensor<ABType>& a_m_k,
+                                 const Tensor<ABType>& b_k_n,
+                                 Tensor<CType>& c_n_m,
+                                 ck::index_t nrepeat)
+{
+    using namespace ck;
+
+    std::cout << __func__ << std::endl;
+
+    DeviceMem a_m_k_device_buf(sizeof(ABType) * a_m_k.mDesc.GetElementSpace());
+    DeviceMem b_k_n_device_buf(sizeof(ABType) * b_k_n.mDesc.GetElementSpace());
+    DeviceMem c_n_m_device_buf(sizeof(CType) * c_n_m.mDesc.GetElementSpace());
+
+    a_m_k_device_buf.ToDevice(a_m_k.mData.data());
+    b_k_n_device_buf.ToDevice(b_k_n.mData.data());
+    c_n_m_device_buf.ToDevice(c_n_m.mData.data());
+
+#if 0
+    // [M, N, K0, K1] = [256, 128, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 256;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 256;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 1
+    // [M, N, K0, K1] = [256, 128, 4, 8] for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 256;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 2;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 1
+    // [M, N, K0, K1] = [128, 256, 4, 8] for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 256;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 1
+    // [M, N, K0, K1] = [128, 128, 4, 8] for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_N  = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#endif
+
+    const auto K = a_m_k.mDesc.GetLengths()[1];
+    const auto M = a_m_k.mDesc.GetLengths()[0];
+    const auto N = b_k_n.mDesc.GetLengths()[1];
+
+    constexpr auto K1Number = Number<K1>{};
+    const auto K0           = K / K1Number;
+
+    const auto a_k0_m_k1_grid_desc =
+        make_naive_tensor_descriptor(make_tuple(K0, M, K1Number),
+                                     make_tuple(K1Number * a_m_k.mDesc.GetStrides()[1],
+                                                a_m_k.mDesc.GetStrides()[0],
+                                                a_m_k.mDesc.GetStrides()[1]));
+
+    const auto b_k0_n_k1_grid_desc =
+        make_naive_tensor_descriptor(make_tuple(K0, N, K1Number),
+                                     make_tuple(K1Number * b_k_n.mDesc.GetStrides()[0],
+                                                b_k_n.mDesc.GetStrides()[1],
+                                                b_k_n.mDesc.GetStrides()[0]));
+
+    const auto c_m_n_grid_desc = make_naive_tensor_descriptor(
+        make_tuple(M, N), make_tuple(c_n_m.mDesc.GetStrides()[1], c_n_m.mDesc.GetStrides()[0]));
+
+    // HACK: hacks that control index calculation when iterating over A, B, C matrix
+    constexpr auto a_k0_m_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: M
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: M
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto b_k0_n_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: N
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: N
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks =
+        make_tuple(make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0+: M0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1+: N0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2+: M1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3+: N1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4+: M2
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5+: M3
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6+: M4
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{}),  // 7+: N2
+                   make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0-: M0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1-: N0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2-: M1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3-: N1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4-: M2
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5-: M3
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6-: M4
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 7-: N2
+
+    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
+
+    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
+
+    for(index_t i = 0; i < 5; ++i)
+    {
+        float ave_time =
+            driver_gemm_xdlops_v2r3<BlockSize,
+                                    ABType,
+                                    AccType,
+                                    CType,
+                                    InMemoryDataOperationEnum_t::Set,
+                                    decltype(a_k0_m_k1_grid_desc),
+                                    decltype(b_k0_n_k1_grid_desc),
+                                    decltype(c_m_n_grid_desc),
+                                    MPerBlock,
+                                    NPerBlock,
+                                    KPerBlock,
+                                    MPerXDL,
+                                    NPerXDL,
+                                    K1,
+                                    MRepeat,
+                                    NRepeat,
+                                    ABlockTransferThreadSliceLengths_K0_M_K1,
+                                    ABlockTransferThreadClusterLengths_K0_M_K1,
+                                    Sequence<1, 0, 2>,
+                                    Sequence<1, 0, 2>,
+                                    2,
+                                    ABlockTransferSrcScalarPerVector_K1,
+                                    ABlockTransferDstScalarPerVector_K1,
+                                    false, // don't move back src coordinate after threadwise copy
+                                    BBlockTransferThreadSliceLengths_K0_N_K1,
+                                    BBlockTransferThreadClusterLengths_K0_N_K1,
+                                    Sequence<0, 2, 1>,
+                                    Sequence<0, 2, 1>,
+                                    1,
+                                    BBlockTransferSrcScalarPerVector_N,
+                                    BBlockTransferDstScalarPerVector_K1,
+                                    false, // don't move back src coordinate after threadwise copy
+                                    Sequence<2, 3, 0, 1, 7, 5, 4, 6>,
+                                    6,
+                                    CThreadTransferDstScalarPerVector,
+                                    decltype(a_k0_m_k1_grid_step_hacks),
+                                    decltype(b_k0_n_k1_grid_step_hacks),
+                                    decltype(c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
+                                    decltype(a_k0_m_k1_grid_move_slice_window_step_hacks),
+                                    decltype(b_k0_n_k1_grid_move_slice_window_step_hacks),
+                                    false // CAccessOrderMRepeatNRepeat
+                                    >(static_cast<ABType*>(a_m_k_device_buf.GetDeviceBuffer()),
+                                      static_cast<ABType*>(b_k_n_device_buf.GetDeviceBuffer()),
+                                      static_cast<CType*>(c_n_m_device_buf.GetDeviceBuffer()),
+                                      a_k0_m_k1_grid_desc,
+                                      b_k0_n_k1_grid_desc,
+                                      c_m_n_grid_desc,
+                                      a_k0_m_k1_grid_step_hacks,
+                                      b_k0_n_k1_grid_step_hacks,
+                                      c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,
+                                      a_k0_m_k1_grid_move_slice_window_step_hacks,
+                                      b_k0_n_k1_grid_move_slice_window_step_hacks,
+                                      nrepeat);
+
+        float perf = static_cast<float>((std::size_t(2) * M * N * K)) /
+                     (std::size_t(1000) * 1000 * 1000) / ave_time;
+
+        std::cout << "Average time : " << ave_time << " ms, " << perf << " TFlop/s" << std::endl;
+    }
+
+    // copy result back to host
+    c_n_m_device_buf.FromDevice(c_n_m.mData.data());
+}

host/driver_offline/include/device_gemm_xdlops_mk_nk_mn.hpp

@@ -4,16 +4,8 @@
 #include "host_tensor.hpp"
 #include "driver_gemm_xdlops_v2r3.hpp"
 
-template <typename ABType,
-          typename AccType,
-          typename CType,
-          typename ADesc,
-          typename BDesc,
-          typename CDesc>
-void device_gemm_xdlops_mk_nk_mn(const ADesc& a_m_k_grid_desc,
-                                 const BDesc& b_n_k_grid_desc,
-                                 const CDesc& c_m_n_grid_desc,
-                                 const Tensor<ABType>& a_m_k,
+template <typename ABType, typename AccType, typename CType>
+void device_gemm_xdlops_mk_nk_mn(const Tensor<ABType>& a_m_k,
                                  const Tensor<ABType>& b_n_k,
                                  Tensor<CType>& c_m_n,
                                  ck::index_t nrepeat)
@@ -22,9 +14,6 @@ void device_gemm_xdlops_mk_nk_mn(const ADesc& a_m_k_grid_desc,
 
     std::cout << __func__ << std::endl;
 
-    constexpr auto I0 = Number<0>{};
-    constexpr auto I1 = Number<1>{};
-
     DeviceMem a_m_k_device_buf(sizeof(ABType) * a_m_k.mDesc.GetElementSpace());
     DeviceMem b_n_k_device_buf(sizeof(ABType) * b_n_k.mDesc.GetElementSpace());
     DeviceMem c_m_n_device_buf(sizeof(CType) * c_m_n.mDesc.GetElementSpace());
@@ -34,6 +23,34 @@ void device_gemm_xdlops_mk_nk_mn(const ADesc& a_m_k_grid_desc,
     c_m_n_device_buf.ToDevice(c_m_n.mData.data());
 
 #if 0
+    // [M, N, K0, K1] = [256, 128, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 256;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
     // [M, N, K0, K1] = [128, 256, 4, 4] for fp32
     constexpr index_t BlockSize = 256;
 
@@ -60,9 +77,93 @@ void device_gemm_xdlops_mk_nk_mn(const ADesc& a_m_k_grid_desc,
     constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
     constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
 
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 4], C = 64, for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 64, 4, 4], C = 32, for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 64;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 1;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 1, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [64, 128, 4, 4], C = 32, for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 64;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 1;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 1, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
     constexpr index_t CThreadTransferDstScalarPerVector = 1;
 #elif 1
-    // [M, N, K0, K1] = [256, 128, 4, 8] for fp16
+    // [M, N, K0, K1] = [256, 128, 4, 8], C = 128, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t MPerBlock = 256;
@@ -90,7 +191,7 @@ void device_gemm_xdlops_mk_nk_mn(const ADesc& a_m_k_grid_desc,
 
     constexpr index_t CThreadTransferDstScalarPerVector = 1;
 #elif 0
-    // [M, N, K0, K1] = [128, 256, 4, 8] for fp16
+    // [M, N, K0, K1] = [128, 256, 4, 8], C = 128, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t MPerBlock = 128;
@@ -117,8 +218,36 @@ void device_gemm_xdlops_mk_nk_mn(const ADesc& a_m_k_grid_desc,
     constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
 
     constexpr index_t CThreadTransferDstScalarPerVector = 1;
-#elif 1
-    // [M, N, K0, K1] = [128, 128, 4, 8] for fp16
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 128, for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 64, for fp16
     constexpr index_t BlockSize = 256;
 
     constexpr index_t MPerBlock = 128;
@@ -144,46 +273,131 @@ void device_gemm_xdlops_mk_nk_mn(const ADesc& a_m_k_grid_desc,
     constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
     constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
 
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 0
+    // [M, N, K0, K1] = [64, 128, 4, 8], C = 64, for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t MPerBlock = 64;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 1
+    // [M, N, K0, K1] = [128, 64, 4, 8], C = 32, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 64;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 1;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 1, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 1;
+#elif 1
+    // [M, N, K0, K1] = [64, 128, 4, 8], C = 32, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 64;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 1;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 1, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
     constexpr index_t CThreadTransferDstScalarPerVector = 1;
 #endif
 
-    const auto K = a_m_k_grid_desc.GetLength(I1);
-    const auto M = a_m_k_grid_desc.GetLength(I0);
-    const auto N = b_n_k_grid_desc.GetLength(I0);
+    const auto K = a_m_k.mDesc.GetLengths()[1];
+    const auto M = a_m_k.mDesc.GetLengths()[0];
+    const auto N = b_n_k.mDesc.GetLengths()[0];
 
     constexpr auto K1Number = Number<K1>{};
     const auto K0           = K / K1Number;
 
+#if 1
+    // non-padded GEMM
     const auto a_k0_m_k1_grid_desc =
-        transform_tensor_descriptor(a_m_k_grid_desc,
-                                    make_tuple(make_pass_through_transform(M),
-                                               make_unmerge_transform(make_tuple(K0, K1Number))),
-                                    make_tuple(Sequence<0>{}, Sequence<1>{}),
-                                    make_tuple(Sequence<1>{}, Sequence<0, 2>{}));
+        make_naive_tensor_descriptor(make_tuple(K0, M, K1Number),
+                                     make_tuple(K1Number * a_m_k.mDesc.GetStrides()[1],
+                                                a_m_k.mDesc.GetStrides()[0],
+                                                a_m_k.mDesc.GetStrides()[1]));
 
     const auto b_k0_n_k1_grid_desc =
-        transform_tensor_descriptor(b_n_k_grid_desc,
-                                    make_tuple(make_pass_through_transform(N),
-                                               make_unmerge_transform(make_tuple(K0, K1Number))),
-                                    make_tuple(Sequence<0>{}, Sequence<1>{}),
-                                    make_tuple(Sequence<1>{}, Sequence<0, 2>{}));
+        make_naive_tensor_descriptor(make_tuple(K0, N, K1Number),
+                                     make_tuple(K1Number * b_n_k.mDesc.GetStrides()[1],
+                                                b_n_k.mDesc.GetStrides()[0],
+                                                b_n_k.mDesc.GetStrides()[1]));
+
+    const auto c_m_n_grid_desc = make_naive_tensor_descriptor(
+        make_tuple(M, N), make_tuple(c_m_n.mDesc.GetStrides()[0], c_m_n.mDesc.GetStrides()[1]));
 
     // HACK: hacks that control index calculation when iterating over A, B, C matrix
-    constexpr auto a_k0_m_k1_grid_step_hacks =
-        make_tuple(make_tuple(Sequence<0, 0, 0>{},   // 0+: K0
-                              Sequence<0, 0, 0>{},   // 1+: M
-                              Sequence<0, 0, 0>{}),  // 2+: K1
-                   make_tuple(Sequence<0, 0, 0>{},   // 0-: K0
-                              Sequence<0, 0, 0>{},   // 1-: M
-                              Sequence<0, 0, 0>{})); // 2-: K1
-
-    constexpr auto b_k0_n_k1_grid_step_hacks =
-        make_tuple(make_tuple(Sequence<0, 0, 0>{},   // 0+: K0
-                              Sequence<0, 0, 0>{},   // 1+: N
-                              Sequence<0, 0, 0>{}),  // 2+: K1
-                   make_tuple(Sequence<0, 0, 0>{},   // 0-: K0
-                              Sequence<0, 0, 0>{},   // 1-: N
-                              Sequence<0, 0, 0>{})); // 2-: K1
+    constexpr auto a_k0_m_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: M
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: M
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto b_k0_n_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: N
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: N
+                                                                     Sequence<0>{})); // 2-: K1
 
     constexpr auto c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks =
         make_tuple(make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0+: M0
@@ -203,9 +417,80 @@ void device_gemm_xdlops_mk_nk_mn(const ADesc& a_m_k_grid_desc,
                               Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6-: M4
                               Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 7-: N2
 
-    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0, 0, 0>{};
+    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
 
-    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0, 0, 0>{};
+    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
+#else
+    // padded GEMM
+    const auto a_k0_m_k1_grid_desc_tmp =
+        make_naive_tensor_descriptor(make_tuple(K0, M, K1Number),
+                                     make_tuple(K1Number * a_m_k.mDesc.GetStrides()[1],
+                                                a_m_k.mDesc.GetStrides()[0],
+                                                a_m_k.mDesc.GetStrides()[1]));
+
+    const auto MRightPad = math::integer_divide_ceil(M, MPerBlock) * MPerBlock - M;
+
+    const auto a_k0_m_k1_grid_desc =
+        transform_tensor_descriptor(a_k0_m_k1_grid_desc_tmp,
+                                    make_tuple(make_pass_through_transform(K0),
+                                               make_right_pad_transform(M, MRightPad),
+                                               make_pass_through_transform(K1Number)),
+                                    make_tuple(Sequence<0>{}, Sequence<1>{}, Sequence<2>{}),
+                                    make_tuple(Sequence<0>{}, Sequence<1>{}, Sequence<2>{}));
+
+    const auto b_k0_n_k1_grid_desc =
+        make_naive_tensor_descriptor(make_tuple(K0, N, K1Number),
+                                     make_tuple(K1Number * b_n_k.mDesc.GetStrides()[1],
+                                                b_n_k.mDesc.GetStrides()[0],
+                                                b_n_k.mDesc.GetStrides()[1]));
+
+    const auto c_m_n_grid_desc_tmp = make_naive_tensor_descriptor(
+        make_tuple(M, N), make_tuple(c_m_n.mDesc.GetStrides()[0], c_m_n.mDesc.GetStrides()[1]));
+
+    const auto c_m_n_grid_desc = transform_tensor_descriptor(
+        c_m_n_grid_desc_tmp,
+        make_tuple(make_right_pad_transform(M, MRightPad), make_pass_through_transform(N)),
+        make_tuple(Sequence<0>{}, Sequence<1>{}),
+        make_tuple(Sequence<0>{}, Sequence<1>{}));
+
+    // HACK: hacks that control index calculation when iterating over A, B, C matrix
+    constexpr auto a_k0_m_k1_grid_step_hacks =
+        make_tuple(make_tuple(Sequence<0, 0, 0, 0>{},   // 0+: K0
+                              Sequence<0, 0, 0, 0>{},   // 1+: M
+                              Sequence<0, 0, 0, 0>{}),  // 2+: K1
+                   make_tuple(Sequence<0, 0, 0, 0>{},   // 0-: K0
+                              Sequence<0, 0, 0, 0>{},   // 1-: M
+                              Sequence<0, 0, 0, 0>{})); // 2-: K1
+
+    constexpr auto b_k0_n_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: N
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: N
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks =
+        make_tuple(make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0+: M0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1+: N0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2+: M1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3+: N1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4+: M2
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5+: M3
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6+: M4
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{}),  // 7+: N2
+                   make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0-: M0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1-: N0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2-: M1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3-: N1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4-: M2
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5-: M3
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6-: M4
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 7-: N2
+
+    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0, 0, 0, 0>{};
+
+    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
+#endif
 
     for(index_t i = 0; i < 5; ++i)
     {
@@ -250,13 +535,17 @@ void device_gemm_xdlops_mk_nk_mn(const ADesc& a_m_k_grid_desc,
                                     decltype(c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
                                     decltype(a_k0_m_k1_grid_move_slice_window_step_hacks),
                                     decltype(b_k0_n_k1_grid_move_slice_window_step_hacks),
-                                    false // CAccessOrderMRepeatNRepeat
+                                    false, // CAccessOrderMRepeatNRepeat
+                                    true,  // ABlockLdsExtraM
+                                    true   // BBlockLdsExtraN
                                     >(static_cast<ABType*>(a_m_k_device_buf.GetDeviceBuffer()),
                                       static_cast<ABType*>(b_n_k_device_buf.GetDeviceBuffer()),
                                       static_cast<CType*>(c_m_n_device_buf.GetDeviceBuffer()),
                                       a_k0_m_k1_grid_desc,
                                       b_k0_n_k1_grid_desc,
                                       c_m_n_grid_desc,
+                                      debug::debug_driver_gemm_xdlops_v2r3::M01,
+                                      debug::debug_driver_gemm_xdlops_v2r3::N01,
                                       a_k0_m_k1_grid_step_hacks,
                                       b_k0_n_k1_grid_step_hacks,
                                       c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,

host/driver_offline/include/device_gemm_xdlops_mk_nk_nm.hpp

+#pragma once
+#include <unistd.h>
+#include "device.hpp"
+#include "host_tensor.hpp"
+#include "driver_gemm_xdlops_v2r3.hpp"
+
+template <typename ABType, typename AccType, typename CType>
+void device_gemm_xdlops_mk_nk_nm(const Tensor<ABType>& a_m_k,
+                                 const Tensor<ABType>& b_n_k,
+                                 Tensor<CType>& c_n_m,
+                                 ck::index_t nrepeat)
+{
+    using namespace ck;
+
+    std::cout << __func__ << std::endl;
+
+    DeviceMem a_m_k_device_buf(sizeof(ABType) * a_m_k.mDesc.GetElementSpace());
+    DeviceMem b_n_k_device_buf(sizeof(ABType) * b_n_k.mDesc.GetElementSpace());
+    DeviceMem c_n_m_device_buf(sizeof(CType) * c_n_m.mDesc.GetElementSpace());
+
+    a_m_k_device_buf.ToDevice(a_m_k.mData.data());
+    b_n_k_device_buf.ToDevice(b_n_k.mData.data());
+    c_n_m_device_buf.ToDevice(c_n_m.mData.data());
+
+#if 0
+    // [M, N, K0, K1] = [256, 128, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 256;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 4] for fp32
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 256;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 4;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 4>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 4;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 4>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 4;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 4;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 0
+    // [M, N, K0, K1] = [256, 128, 4, 8] for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 256;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 0
+    // [M, N, K0, K1] = [128, 256, 4, 8] for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 256;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 4;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 128, for fp16
+    constexpr index_t BlockSize = 128;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 4;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 4, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 4, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 32, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 0
+    // [M, N, K0, K1] = [128, 128, 4, 8], C = 64, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 128;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 2;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 2, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#elif 1
+    // [M, N, K0, K1] = [64, 128, 4, 8], C = 32, for fp16
+    constexpr index_t BlockSize = 256;
+
+    constexpr index_t MPerBlock = 64;
+    constexpr index_t NPerBlock = 128;
+    constexpr index_t KPerBlock = 4;
+
+    constexpr index_t MPerXDL = 32;
+    constexpr index_t NPerXDL = 32;
+    constexpr index_t K1      = 8;
+
+    constexpr index_t MRepeat = 1;
+    constexpr index_t NRepeat = 2;
+
+    using ABlockTransferThreadSliceLengths_K0_M_K1   = Sequence<1, 1, 8>;
+    using ABlockTransferThreadClusterLengths_K0_M_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t ABlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t ABlockTransferDstScalarPerVector_K1 = 8;
+
+    using BBlockTransferThreadSliceLengths_K0_N_K1   = Sequence<1, 2, 8>;
+    using BBlockTransferThreadClusterLengths_K0_N_K1 = Sequence<4, 64, 1>;
+
+    constexpr index_t BBlockTransferSrcScalarPerVector_K1 = 8;
+    constexpr index_t BBlockTransferDstScalarPerVector_K1 = 8;
+
+    constexpr index_t CThreadTransferDstScalarPerVector = 4;
+#endif
+
+    const auto K = a_m_k.mDesc.GetLengths()[1];
+    const auto M = a_m_k.mDesc.GetLengths()[0];
+    const auto N = b_n_k.mDesc.GetLengths()[0];
+
+    constexpr auto K1Number = Number<K1>{};
+    const auto K0           = K / K1Number;
+
+    const auto a_k0_m_k1_grid_desc =
+        make_naive_tensor_descriptor(make_tuple(K0, M, K1Number),
+                                     make_tuple(K1Number * a_m_k.mDesc.GetStrides()[1],
+                                                a_m_k.mDesc.GetStrides()[0],
+                                                a_m_k.mDesc.GetStrides()[1]));
+
+    const auto b_k0_n_k1_grid_desc =
+        make_naive_tensor_descriptor(make_tuple(K0, N, K1Number),
+                                     make_tuple(K1Number * b_n_k.mDesc.GetStrides()[1],
+                                                b_n_k.mDesc.GetStrides()[0],
+                                                b_n_k.mDesc.GetStrides()[1]));
+
+    const auto c_m_n_grid_desc = make_naive_tensor_descriptor(
+        make_tuple(M, N), make_tuple(c_n_m.mDesc.GetStrides()[1], c_n_m.mDesc.GetStrides()[0]));
+
+    // HACK: hacks that control index calculation when iterating over A, B, C matrix
+    constexpr auto a_k0_m_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: M
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: M
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto b_k0_n_k1_grid_step_hacks = make_tuple(make_tuple(Sequence<0>{},   // 0+: K0
+                                                                     Sequence<0>{},   // 1+: N
+                                                                     Sequence<0>{}),  // 2+: K1
+                                                          make_tuple(Sequence<0>{},   // 0-: K0
+                                                                     Sequence<0>{},   // 1-: N
+                                                                     Sequence<0>{})); // 2-: K1
+
+    constexpr auto c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks =
+        make_tuple(make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0+: M0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1+: N0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2+: M1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3+: N1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4+: M2
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5+: M3
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6+: M4
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{}),  // 7+: N2
+                   make_tuple(Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 0-: M0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 1-: N0
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 2-: M1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 3-: N1
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 4-: M2
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 5-: M3
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{},   // 6-: M4
+                              Sequence<0, 0, 0, 0, 0, 0, 0, 0, 0>{})); // 7-: N2
+
+    constexpr auto a_k0_m_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
+
+    constexpr auto b_k0_n_k1_grid_move_slice_window_step_hacks = Sequence<0>{};
+
+    for(index_t i = 0; i < 5; ++i)
+    {
+        float ave_time =
+            driver_gemm_xdlops_v2r3<BlockSize,
+                                    ABType,
+                                    AccType,
+                                    CType,
+                                    InMemoryDataOperationEnum_t::Set,
+                                    decltype(a_k0_m_k1_grid_desc),
+                                    decltype(b_k0_n_k1_grid_desc),
+                                    decltype(c_m_n_grid_desc),
+                                    MPerBlock,
+                                    NPerBlock,
+                                    KPerBlock,
+                                    MPerXDL,
+                                    NPerXDL,
+                                    K1,
+                                    MRepeat,
+                                    NRepeat,
+                                    ABlockTransferThreadSliceLengths_K0_M_K1,
+                                    ABlockTransferThreadClusterLengths_K0_M_K1,
+                                    Sequence<1, 0, 2>,
+                                    Sequence<1, 0, 2>,
+                                    2,
+                                    ABlockTransferSrcScalarPerVector_K1,
+                                    ABlockTransferDstScalarPerVector_K1,
+                                    false, // don't move back src coordinate after threadwise copy
+                                    BBlockTransferThreadSliceLengths_K0_N_K1,
+                                    BBlockTransferThreadClusterLengths_K0_N_K1,
+                                    Sequence<1, 0, 2>,
+                                    Sequence<1, 0, 2>,
+                                    2,
+                                    BBlockTransferSrcScalarPerVector_K1,
+                                    BBlockTransferDstScalarPerVector_K1,
+                                    false, // don't move back src coordinate after threadwise copy
+                                    Sequence<2, 3, 0, 1, 7, 5, 4, 6>,
+                                    6,
+                                    CThreadTransferDstScalarPerVector,
+                                    decltype(a_k0_m_k1_grid_step_hacks),
+                                    decltype(b_k0_n_k1_grid_step_hacks),
+                                    decltype(c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks),
+                                    decltype(a_k0_m_k1_grid_move_slice_window_step_hacks),
+                                    decltype(b_k0_n_k1_grid_move_slice_window_step_hacks),
+                                    false // CAccessOrderMRepeatNRepeat
+                                    >(static_cast<ABType*>(a_m_k_device_buf.GetDeviceBuffer()),
+                                      static_cast<ABType*>(b_n_k_device_buf.GetDeviceBuffer()),
+                                      static_cast<CType*>(c_n_m_device_buf.GetDeviceBuffer()),
+                                      a_k0_m_k1_grid_desc,
+                                      b_k0_n_k1_grid_desc,
+                                      c_m_n_grid_desc,
+                                      a_k0_m_k1_grid_step_hacks,
+                                      b_k0_n_k1_grid_step_hacks,
+                                      c_m0_n0_m1_n1_m2_m3_m4_n2_grid_step_hacks,
+                                      a_k0_m_k1_grid_move_slice_window_step_hacks,
+                                      b_k0_n_k1_grid_move_slice_window_step_hacks,
+                                      nrepeat);
+
+        float perf = static_cast<float>((std::size_t(2) * M * N * K)) /
+                     (std::size_t(1000) * 1000 * 1000) / ave_time;
+
+        std::cout << "Average time : " << ave_time << " ms, " << perf << " TFlop/s" << std::endl;
+    }
+
+    // copy result back to host
+    c_n_m_device_buf.FromDevice(c_n_m.mData.data());
+}

host/driver_offline/include/driver_gemm_xdlops_v2r3.hpp

-#ifndef DRIVER_GEMM_XDLOPS_V2R3
-#define DRIVER_GEMM_XDLOPS_V2R3
+#ifndef DRIVER_GEMM_XDLOPS_V2R3_HPP
+#define DRIVER_GEMM_XDLOPS_V2R3_HPP
 
 #include "common_header.hpp"
 #include "tensor_descriptor.hpp"
@@ -46,13 +46,17 @@ template <ck::index_t BlockSize,
           typename CGridStepHacks,
           typename AGridMoveSliceWindowStepHacks,
           typename BGridMoveSliceWindowStepHacks,
-          bool CAccessOrderMRepeatNRepeat>
+          bool CAccessOrderMRepeatNRepeat,
+          bool ABlockLdsAddExtraM,
+          bool BBlockLdsAddExtraN>
 __host__ float driver_gemm_xdlops_v2r3(const FloatAB* p_a_grid,
                                        const FloatAB* p_b_grid,
                                        FloatC* p_c_grid,
                                        const AK0MK1GridDesc& a_k0_m_k1_grid_desc,
                                        const BK0NK1GridDesc& b_k0_n_k1_grid_desc,
                                        const CMNGridDesc& c_m_n_grid_desc,
+                                       ck::index_t M01,
+                                       ck::index_t N01,
                                        AGridStepHacks,
                                        BGridStepHacks,
                                        CGridStepHacks,
@@ -108,7 +112,9 @@ __host__ float driver_gemm_xdlops_v2r3(const FloatAB* p_a_grid,
                                                 CGridStepHacks,
                                                 AGridMoveSliceWindowStepHacks,
                                                 BGridMoveSliceWindowStepHacks,
-                                                CAccessOrderMRepeatNRepeat>;
+                                                CAccessOrderMRepeatNRepeat,
+                                                ABlockLdsAddExtraM,
+                                                BBlockLdsAddExtraN>;
 
     {
         std::cout << "a_k0_m_k1_grid_desc{" << a_k0_m_k1_grid_desc.GetLength(I0) << ", "
@@ -123,7 +129,8 @@ __host__ float driver_gemm_xdlops_v2r3(const FloatAB* p_a_grid,
                   << c_m_n_grid_desc.GetLength(I1) << "}" << std::endl;
     }
 
-    if(!GridwiseGemm::CheckValidity(a_k0_m_k1_grid_desc, b_k0_n_k1_grid_desc, c_m_n_grid_desc))
+    if(!GridwiseGemm::CheckValidity(
+           a_k0_m_k1_grid_desc, b_k0_n_k1_grid_desc, c_m_n_grid_desc, M01, N01))
     {
         throw std::runtime_error(
             "wrong! GridwiseGemm_km_kn_m0m1n0n1_xdlops_v2r3 has invalid setting");
@@ -134,7 +141,8 @@ __host__ float driver_gemm_xdlops_v2r3(const FloatAB* p_a_grid,
 
     using CM0N0M1N1M2M3M4N2GridDesc = decltype(c_m0_n0_m1_n1_m2_m3_m4_n2_grid_desc);
 
-    const auto c_block_cluster_adaptor = GridwiseGemm::MakeCBlockClusterAdaptor(c_m_n_grid_desc);
+    const auto c_block_cluster_adaptor =
+        GridwiseGemm::MakeCBlockClusterAdaptor(c_m_n_grid_desc, M01, N01);
 
     using CBlockClusterAdaptor = decltype(c_block_cluster_adaptor);
 

host/driver_offline/src/conv_bwd_driver_offline.cpp

@@ -5,6 +5,7 @@
 #include <stdlib.h>
 #include <half.hpp>
 #include "config.hpp"
+#include "debug.hpp"
 #include "print.hpp"
 #include "device.hpp"
 #include "host_tensor.hpp"
@@ -14,15 +15,16 @@
 #include "device_tensor.hpp"
 #include "device_convolution_backward_data_implicit_gemm_v4r1_xdlops_nhwc_kyxc_nhwk.hpp"
 #include "device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk.hpp"
+#include "device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk_1x1.hpp"
 
 #define USE_MODE 1
-#define USE_CONV_BWD_V4R1_XDL_NHWC 1
+#define USE_CONV_BWD_V4R1_XDL_NHWC 0
 #define USE_CONV_BWD_V4R1R2_XDL_NHWC 1
 
 enum ConvBackwardDataAlgo
 {
-    V4R1XDLNHWC,
-    V4R1R2XDLNHWC,
+    V4R1XDLNHWC,   // 0
+    V4R1R2XDLNHWC, // 1
 };
 
 int main(int argc, char* argv[])
@@ -280,20 +282,43 @@ int main(int argc, char* argv[])
 
         const auto tmp = f_make_for_device_nhwc();
 
-        device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk<in_data_t,
-                                                                                    acc_data_t,
-                                                                                    out_data_t>(
-            tmp[I0],
-            tmp[I1],
-            tmp[I2],
-            tmp[I3],
-            tmp[I4],
-            tmp[I5],
-            tmp[I6],
-            in_device,
-            wei,
-            out,
-            nrepeat);
+        if(Y == 1 && X == 1 && in_left_pad_h == 0 && in_left_pad_w == 0 && in_right_pad_h == 0 &&
+           in_right_pad_w == 0)
+        {
+            device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk_1x1<
+                in_data_t,
+                acc_data_t,
+                out_data_t>(tmp[I0],
+                            tmp[I1],
+                            tmp[I2],
+                            tmp[I3],
+                            tmp[I4],
+                            tmp[I5],
+                            tmp[I6],
+                            in_device,
+                            wei,
+                            out,
+                            nrepeat);
+        }
+        else
+        {
+#if 1
+            device_convolution_backward_data_implicit_gemm_v4r1r2_xdlops_nhwc_kyxc_nhwk<in_data_t,
+                                                                                        acc_data_t,
+                                                                                        out_data_t>(
+                tmp[I0],
+                tmp[I1],
+                tmp[I2],
+                tmp[I3],
+                tmp[I4],
+                tmp[I5],
+                tmp[I6],
+                in_device,
+                wei,
+                out,
+                nrepeat);
+#endif
+        }
     }
 #endif