add templates for bwd gridwise gemm

include/ck/tensor_operation/gpu/grid/gridwise_batched_mha_bwd_xdl_cshuffle_qloop_b2t_light_v1.hpp

@@ -544,16 +544,13 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V1
     };
 
     // dP Gemm (type 1 rcc)
+    template <typename BSrcThreadDesc_K0_K1_N0_N1_N2_N3_K2>
     struct Gemm0
     {
         // A matrix in LDS memory, dst of blockwise copy
         static constexpr auto a_block_desc_ak0_m_ak1 =
             GetABlockDescriptor_AK0PerBlock_MPerBlock_AK1();
 
-        // B source matrix layout in VGPR
-        static constexpr auto b_src_thread_desc_k0_k1_n0_n1_n2_n3_k2 =
-            GetVThreadDescriptor_K0_K1_N0_N1_N2_N3_K2();
-
         template <typename BThreadDesc_K0_K1_N0_N1_N2_N3_K2>
         __host__ __device__ static constexpr auto GetBThreadDescriptor_K0_N_K1(
             const BThreadDesc_K0_K1_N0_N1_N2_N3_K2& b_thread_desc_k0_k1_n0_n1_n2_n3_k2)
@@ -580,7 +577,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V1
         }
 
         static constexpr auto b_src_thread_desc_k0_n_k1 =
-            GetBThreadDescriptor_K0_N_K1(b_src_thread_desc_k0_k1_n0_n1_n2_n3_k2);
+            GetBThreadDescriptor_K0_N_K1(BSrcThreadDesc_K0_K1_N0_N1_N2_N3_K2{});
 
         template <typename ABlockDesc_AK0_M_AK1>
         __host__ __device__ static constexpr auto
@@ -1296,7 +1293,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V1
             true, // DstResetCoord
             1>;
 
-        using D0ThreadCopy =
+        using D0ThreadWiseCopy =
             ThreadwiseTensorSliceTransfer_v4<typename TypeTransform<D0DataType>::Type,    // SrcData
                                              typename TypeTransform<D0DataType>::Type,    // DstData
                                              decltype(d0_block_read_desc_n0_n1_m0_m1_m2), // SrcDesc
@@ -1523,6 +1520,8 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V1
         // set up dP Gemm (type 1 rcc)
         //
 
+        using Gemm0 = Gemm0<decltype(GemmBlockwiseCopy::v_thread_desc_k0_k1_n0_n1_n2_n3_k2)>;
+
         // dP: blockwise gemm
         auto pgrad_blockwise_gemm = typename Gemm0::BlockwiseGemm{};
         pgrad_blockwise_gemm.SetBBlockStartWindow(make_tuple(0, 0, 0, 0));
@@ -1857,7 +1856,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V1
             make_multi_index(0, 0, 0, 0, 0, 0),
             tensor_operation::element_wise::PassThrough{});
 
-        auto d0_thread_copy_lds_to_vgpr = typename D0Loader::D0ThreadCopy(
+        auto d0_thread_copy_lds_to_vgpr = typename D0Loader::D0ThreadWiseCopy(
             make_tuple(wave_id[I1], wave_m_n_id[I1], 0, wave_m_n_id[I0], 0));
 
         if constexpr(Deterministic)

include/ck/tensor_operation/gpu/grid/gridwise_batched_mha_bwd_xdl_cshuffle_qloop_b2t_light_v2.hpp

@@ -547,16 +547,13 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
     };
 
     // dP Gemm (type 1 rcc, B in Vgpr)
+    template <typename BSrcThreadDesc_K0_K1_K2_N0_N1_N2_N3_K3>
     struct Gemm0
     {
         // A matrix in LDS memory, dst of blockwise copy
         static constexpr auto a_block_desc_ak0_m_ak1 =
             GetABlockDescriptor_AK0PerBlock_MPerBlock_AK1();
 
-        // B source matrix layout in VGPR
-        static constexpr auto b_src_thread_desc_k0_k1_k2_n0_n1_n2_n3_k3 =
-            GetVThreadDescriptor_K0_K1_K2_N0_N1_N2_N3_K3();
-
         template <typename BThreadDesc_K0_K1_K2_N0_N1_N2_N3_K3>
         __host__ __device__ static constexpr auto GetBThreadDescriptor_K0_N_K1(
             const BThreadDesc_K0_K1_K2_N0_N1_N2_N3_K3& b_thread_desc_k0_k1_k2_n0_n1_n2_n3_k3)
@@ -584,7 +581,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
         }
 
         static constexpr auto b_src_thread_desc_k0_n_k1 =
-            GetBThreadDescriptor_K0_N_K1(b_src_thread_desc_k0_k1_k2_n0_n1_n2_n3_k3);
+            GetBThreadDescriptor_K0_N_K1(BSrcThreadDesc_K0_K1_K2_N0_N1_N2_N3_K3{});
 
         template <typename ABlockDesc_AK0_M_AK1>
         __host__ __device__ static constexpr auto
@@ -847,7 +844,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
     };
 
     // dQ Gemm (type 3 crr)
-    template <typename Gemm2Params, typename ASrcBlockwiseGemm>
+    template <typename Gemm2Params, typename ASrcBlockwiseGemm, typename BSrcBlockDesc_N0_K_N1>
     struct Gemm2
     {
         private:
@@ -870,9 +867,6 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
         // A matrix in LDS memory, dst of blockwise copy
         static constexpr auto a_block_desc_k0_m_k1 = GetA2BlockDescriptor_K0_M_K1<Gemm2Params>();
 
-        // B matrix in LDS memory, dst of blockwise copy
-        static constexpr auto b_block_desc_n0_k_n1 = GetKBlockDescriptor_K0PerBlock_NPerBlock_K1();
-
         template <typename ABlockDesc_K0_M_K1>
         __host__ __device__ static constexpr auto
         MakeGemm2AMmaTileDescriptor_M0_M1_M2_K(const ABlockDesc_K0_M_K1&)
@@ -969,12 +963,12 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
 
         __host__ __device__ static constexpr auto MakeBBlockDesc_N0_N1_N2_K0_K1_K2_K3()
         {
-            const auto N0_ = b_block_desc_n0_k_n1.GetLength(I0);
-            const auto K_  = b_block_desc_n0_k_n1.GetLength(I1);
-            const auto N1_ = b_block_desc_n0_k_n1.GetLength(I2);
+            const auto N0_ = BSrcBlockDesc_N0_K_N1{}.GetLength(I0);
+            const auto K_  = BSrcBlockDesc_N0_K_N1{}.GetLength(I1);
+            const auto N1_ = BSrcBlockDesc_N0_K_N1{}.GetLength(I2);
 
             constexpr auto b_block_desc_n_k = transform_tensor_descriptor( //(32, 128)  //(64, 128)
-                b_block_desc_n0_k_n1,
+                BSrcBlockDesc_N0_K_N1{},
                 make_tuple(make_merge_transform_v3_division_mod(
                                make_tuple(N0_, N1_)),        //(4, 8)     //(8, 8)
                            make_pass_through_transform(K_)), // 128       // 128
@@ -1120,16 +1114,13 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
     };
 
     // S Gemm (type 4 rcc, B in LDS)
+    template <typename BSrcBlockDesc_K0_N_K1>
     struct Gemm3
     {
         // A matrix in LDS memory, dst of blockwise copy
         static constexpr auto a_block_desc_ak0_m_ak1 =
             GetABlockDescriptor_AK0PerBlock_MPerBlock_AK1();
 
-        // B matrix in LDS memory, dst of blockwise copy
-        static constexpr auto b_block_desc_bk0_n_bk1 =
-            GetKBlockDescriptor_K0PerBlock_NPerBlock_K1();
-
         template <typename ABlockDesc_AK0_M_AK1>
         __host__ __device__ static constexpr auto
         MakeGemm3AMmaTileDescriptor_M0_M1_M2_K(const ABlockDesc_AK0_M_AK1&)
@@ -1183,9 +1174,9 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
             GemmDataType,
             FloatGemmAcc,
             decltype(a_block_desc_ak0_m_ak1),
-            decltype(b_block_desc_bk0_n_bk1),
+            BSrcBlockDesc_K0_N_K1,
             decltype(MakeGemm3AMmaTileDescriptor_M0_M1_M2_K(a_block_desc_ak0_m_ak1)),
-            decltype(MakeGemm3BMmaTileDescriptor_N0_N1_N2_K(b_block_desc_bk0_n_bk1)),
+            decltype(MakeGemm3BMmaTileDescriptor_N0_N1_N2_K(BSrcBlockDesc_K0_N_K1{})),
             MPerBlock,
             NPerBlock,
             KPerBlock,
@@ -1381,7 +1372,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
             true, // DstResetCoord
             1>;
 
-        using D0ThreadCopy =
+        using D0ThreadWiseCopy =
             ThreadwiseTensorSliceTransfer_v4<typename TypeTransform<D0DataType>::Type,    // SrcData
                                              typename TypeTransform<D0DataType>::Type,    // DstData
                                              decltype(d0_block_read_desc_n0_n1_m0_m1_m2), // SrcDesc
@@ -1594,6 +1585,8 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
         // set up dP Gemm (type 1 rcc)
         //
 
+        using Gemm0 = Gemm0<decltype(GemmBlockwiseCopy::v_thread_desc_k0_k1_k2_n0_n1_n2_n3_k3)>;
+
         // Gemm0: LDS allocation for A and B: be careful of alignment
         auto gemm0_a_block_buf = make_dynamic_buffer<AddressSpaceEnum::Lds>(
             static_cast<GemmDataType*>(p_shared) + SharedMemTrait::a_block_space_offset,
@@ -1630,6 +1623,8 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
         // set up S Gemm (type 4 rcc)
         //
 
+        using Gemm3 = Gemm3<decltype(GemmBlockwiseCopy::k_block_desc_k0_n_k1)>;
+
         // Gemm3: LDS allocation for A and B: be careful of alignment
         auto gemm3_a_block_buf = make_dynamic_buffer<AddressSpaceEnum::Lds>(
             static_cast<GemmDataType*>(p_shared) + SharedMemTrait::a_block_space_offset,
@@ -1735,7 +1730,9 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
         //
         // set up dQ Gemm (type 3 crr)
         //
-        using Gemm2 = Gemm2<Gemm2Params, decltype(pgrad_blockwise_gemm)>;
+        using Gemm2 = Gemm2<Gemm2Params,
+                            decltype(pgrad_blockwise_gemm),
+                            decltype(GemmBlockwiseCopy::k_block_desc_k0_n_k1)>;
 
         // Gemm2: LDS allocation for A and B: be careful of alignment
         auto gemm2_a_block_buf = make_dynamic_buffer<AddressSpaceEnum::Lds>(
@@ -1980,7 +1977,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_Light_V2
             make_multi_index(0, 0, 0, 0, 0, 0),
             tensor_operation::element_wise::PassThrough{});
 
-        auto d0_thread_copy_lds_to_vgpr = typename D0Loader::D0ThreadCopy(
+        auto d0_thread_copy_lds_to_vgpr = typename D0Loader::D0ThreadWiseCopy(
             make_tuple(wave_id[I1], wave_m_n_id[I1], 0, wave_m_n_id[I0], 0));
 
         if constexpr(Deterministic)

include/ck/tensor_operation/gpu/grid/gridwise_batched_mha_bwd_xdl_cshuffle_qloop_b2t_v1.hpp

@@ -565,16 +565,13 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V1
     };
 
     // dP Gemm (type 1 rcc)
+    template <typename BSrcThreadDesc_K0_K1_N0_N1_N2_N3_K2>
     struct Gemm0
     {
         // A matrix in LDS memory, dst of blockwise copy
         static constexpr auto a_block_desc_ak0_m_ak1 =
             GetABlockDescriptor_AK0PerBlock_MPerBlock_AK1();
 
-        // B source matrix layout in VGPR
-        static constexpr auto b_src_thread_desc_k0_k1_n0_n1_n2_n3_k2 =
-            GetVThreadDescriptor_K0_K1_N0_N1_N2_N3_K2();
-
         template <typename BThreadDesc_K0_K1_N0_N1_N2_N3_K2>
         __host__ __device__ static constexpr auto GetBThreadDescriptor_K0_N_K1(
             const BThreadDesc_K0_K1_N0_N1_N2_N3_K2& b_thread_desc_k0_k1_n0_n1_n2_n3_k2)
@@ -601,7 +598,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V1
         }
 
         static constexpr auto b_src_thread_desc_k0_n_k1 =
-            GetBThreadDescriptor_K0_N_K1(b_src_thread_desc_k0_k1_n0_n1_n2_n3_k2);
+            GetBThreadDescriptor_K0_N_K1(BSrcThreadDesc_K0_K1_N0_N1_N2_N3_K2{});
 
         template <typename ABlockDesc_AK0_M_AK1>
         __host__ __device__ static constexpr auto
@@ -1364,7 +1361,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V1
             true, // DstResetCoord
             1>;
 
-        using D0ThreadCopy =
+        using D0ThreadWiseCopy =
             ThreadwiseTensorSliceTransfer_v4<typename TypeTransform<D0DataType>::Type,    // SrcData
                                              typename TypeTransform<D0DataType>::Type,    // DstData
                                              decltype(d0_block_read_desc_n0_n1_m0_m1_m2), // SrcDesc
@@ -1606,6 +1603,8 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V1
         // set up dP Gemm (type 1 rcc)
         //
 
+        using Gemm0 = Gemm0<decltype(GemmBlockwiseCopy::v_thread_desc_k0_k1_n0_n1_n2_n3_k2)>;
+
         // dP: blockwise gemm
         auto pgrad_blockwise_gemm = typename Gemm0::BlockwiseGemm{};
         pgrad_blockwise_gemm.SetBBlockStartWindow(make_tuple(0, 0, 0, 0));
@@ -2018,7 +2017,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V1
             make_multi_index(0, 0, 0, 0, 0, 0),
             tensor_operation::element_wise::PassThrough{});
 
-        auto d0_thread_copy_lds_to_vgpr = typename D0Loader::D0ThreadCopy(
+        auto d0_thread_copy_lds_to_vgpr = typename D0Loader::D0ThreadWiseCopy(
             make_tuple(wave_id[I1], wave_m_n_id[I1], 0, wave_m_n_id[I0], 0));
 
         if constexpr(Deterministic)

include/ck/tensor_operation/gpu/grid/gridwise_batched_mha_bwd_xdl_cshuffle_qloop_b2t_v2.hpp

@@ -568,16 +568,13 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
     };
 
     // dP Gemm (type 1 rcc, B in Vgpr)
+    template <typename BSrcThreadDesc_K0_K1_K2_N0_N1_N2_N3_K3>
     struct Gemm0
     {
         // A matrix in LDS memory, dst of blockwise copy
         static constexpr auto a_block_desc_ak0_m_ak1 =
             GetABlockDescriptor_AK0PerBlock_MPerBlock_AK1();
 
-        // B source matrix layout in VGPR
-        static constexpr auto b_src_thread_desc_k0_k1_k2_n0_n1_n2_n3_k3 =
-            GetVThreadDescriptor_K0_K1_K2_N0_N1_N2_N3_K3();
-
         template <typename BThreadDesc_K0_K1_K2_N0_N1_N2_N3_K3>
         __host__ __device__ static constexpr auto GetBThreadDescriptor_K0_N_K1(
             const BThreadDesc_K0_K1_K2_N0_N1_N2_N3_K3& b_thread_desc_k0_k1_k2_n0_n1_n2_n3_k3)
@@ -605,7 +602,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
         }
 
         static constexpr auto b_src_thread_desc_k0_n_k1 =
-            GetBThreadDescriptor_K0_N_K1(b_src_thread_desc_k0_k1_k2_n0_n1_n2_n3_k3);
+            GetBThreadDescriptor_K0_N_K1(BSrcThreadDesc_K0_K1_K2_N0_N1_N2_N3_K3{});
 
         template <typename ABlockDesc_AK0_M_AK1>
         __host__ __device__ static constexpr auto
@@ -868,7 +865,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
     };
 
     // dQ Gemm (type 3 crr)
-    template <typename Gemm2Params, typename ASrcBlockwiseGemm>
+    template <typename Gemm2Params, typename ASrcBlockwiseGemm, typename BSrcBlockDesc_N0_K_N1>
     struct Gemm2
     {
         private:
@@ -891,9 +888,6 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
         // A matrix in LDS memory, dst of blockwise copy
         static constexpr auto a_block_desc_k0_m_k1 = GetA2BlockDescriptor_K0_M_K1<Gemm2Params>();
 
-        // B matrix in LDS memory, dst of blockwise copy
-        static constexpr auto b_block_desc_n0_k_n1 = GetKBlockDescriptor_K0PerBlock_NPerBlock_K1();
-
         template <typename ABlockDesc_K0_M_K1>
         __host__ __device__ static constexpr auto
         MakeGemm2AMmaTileDescriptor_M0_M1_M2_K(const ABlockDesc_K0_M_K1&)
@@ -990,12 +984,12 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
 
         __host__ __device__ static constexpr auto MakeBBlockDesc_N0_N1_N2_K0_K1_K2_K3()
         {
-            const auto N0_ = b_block_desc_n0_k_n1.GetLength(I0);
-            const auto K_  = b_block_desc_n0_k_n1.GetLength(I1);
-            const auto N1_ = b_block_desc_n0_k_n1.GetLength(I2);
+            const auto N0_ = BSrcBlockDesc_N0_K_N1{}.GetLength(I0);
+            const auto K_  = BSrcBlockDesc_N0_K_N1{}.GetLength(I1);
+            const auto N1_ = BSrcBlockDesc_N0_K_N1{}.GetLength(I2);
 
             constexpr auto b_block_desc_n_k = transform_tensor_descriptor( //(32, 128)  //(64, 128)
-                b_block_desc_n0_k_n1,
+                BSrcBlockDesc_N0_K_N1{},
                 make_tuple(make_merge_transform_v3_division_mod(
                                make_tuple(N0_, N1_)),        //(4, 8)     //(8, 8)
                            make_pass_through_transform(K_)), // 128       // 128
@@ -1141,16 +1135,13 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
     };
 
     // S Gemm (type 4 rcc, B in LDS)
+    template <typename BSrcBlockDesc_K0_N_K1>
     struct Gemm3
     {
         // A matrix in LDS memory, dst of blockwise copy
         static constexpr auto a_block_desc_ak0_m_ak1 =
             GetABlockDescriptor_AK0PerBlock_MPerBlock_AK1();
 
-        // B matrix in LDS memory, dst of blockwise copy
-        static constexpr auto b_block_desc_bk0_n_bk1 =
-            GetKBlockDescriptor_K0PerBlock_NPerBlock_K1();
-
         template <typename ABlockDesc_AK0_M_AK1>
         __host__ __device__ static constexpr auto
         MakeGemm3AMmaTileDescriptor_M0_M1_M2_K(const ABlockDesc_AK0_M_AK1&)
@@ -1204,9 +1195,9 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
             GemmDataType,
             FloatGemmAcc,
             decltype(a_block_desc_ak0_m_ak1),
-            decltype(b_block_desc_bk0_n_bk1),
+            BSrcBlockDesc_K0_N_K1,
             decltype(MakeGemm3AMmaTileDescriptor_M0_M1_M2_K(a_block_desc_ak0_m_ak1)),
-            decltype(MakeGemm3BMmaTileDescriptor_N0_N1_N2_K(b_block_desc_bk0_n_bk1)),
+            decltype(MakeGemm3BMmaTileDescriptor_N0_N1_N2_K(BSrcBlockDesc_K0_N_K1{})),
             MPerBlock,
             NPerBlock,
             KPerBlock,
@@ -1426,7 +1417,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
             true, // DstResetCoord
             1>;
 
-        using D0ThreadCopy =
+        using D0ThreadWiseCopy =
             ThreadwiseTensorSliceTransfer_v4<typename TypeTransform<D0DataType>::Type,    // SrcData
                                              typename TypeTransform<D0DataType>::Type,    // DstData
                                              decltype(d0_block_read_desc_n0_n1_m0_m1_m2), // SrcDesc
@@ -1652,6 +1643,8 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
         // set up dP Gemm (type 1 rcc)
         //
 
+        using Gemm0 = Gemm0<decltype(GemmBlockwiseCopy::v_thread_desc_k0_k1_k2_n0_n1_n2_n3_k3)>;
+
         // Gemm0: LDS allocation for A and B: be careful of alignment
         auto gemm0_a_block_buf = make_dynamic_buffer<AddressSpaceEnum::Lds>(
             static_cast<GemmDataType*>(p_shared) + SharedMemTrait::a_block_space_offset,
@@ -1688,6 +1681,8 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
         // set up S Gemm (type 4 rcc)
         //
 
+        using Gemm3 = Gemm3<decltype(GemmBlockwiseCopy::k_block_desc_k0_n_k1)>;
+
         // Gemm3: LDS allocation for A and B: be careful of alignment
         auto gemm3_a_block_buf = make_dynamic_buffer<AddressSpaceEnum::Lds>(
             static_cast<GemmDataType*>(p_shared) + SharedMemTrait::a_block_space_offset,
@@ -1793,7 +1788,9 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
         //
         // set up dQ Gemm (type 3 crr)
         //
-        using Gemm2 = Gemm2<Gemm2Params, decltype(pgrad_blockwise_gemm)>;
+        using Gemm2 = Gemm2<Gemm2Params,
+                            decltype(pgrad_blockwise_gemm),
+                            decltype(GemmBlockwiseCopy::k_block_desc_k0_n_k1)>;
 
         // Gemm2: LDS allocation for A and B: be careful of alignment
         auto gemm2_a_block_buf = make_dynamic_buffer<AddressSpaceEnum::Lds>(
@@ -2093,7 +2090,7 @@ struct GridwiseBatchedMultiheadAttentionBackward_Qloop_Xdl_CShuffle_V2
             make_multi_index(0, 0, 0, 0, 0, 0),
             tensor_operation::element_wise::PassThrough{});
 
-        auto d0_thread_copy_lds_to_vgpr = typename D0Loader::D0ThreadCopy(
+        auto d0_thread_copy_lds_to_vgpr = typename D0Loader::D0ThreadWiseCopy(
             make_tuple(wave_id[I1], wave_m_n_id[I1], 0, wave_m_n_id[I0], 0));
 
         if constexpr(Deterministic)