merge from develop and revisison for pr#881

include/ck/config.h.in

+/*******************************************************************************
+ *
+ * MIT License
+ *
+ * Copyright (c) 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ *******************************************************************************/
+#ifndef CK_CONFIG_H_IN
+#define CK_CONFIG_H_IN
+
+// clang-format off
+//
+// DataType supports in the current CK build
+//
+#ifndef DTYPES
+#cmakedefine DTYPES "@DTYPES@"
+#endif
+// if DTYPES is not defined, enable all datatypes in headerfiles
+#ifndef CK_ENABLE_ALL_DTYPES
+#cmakedefine CK_ENABLE_ALL_DTYPES @CK_ENABLE_ALL_DTYPES@
+#if defined(CK_ENABLE_ALL_DTYPES)
+#ifndef CK_ENABLE_INT8
+#define CK_ENABLE_INT8 "ON"
+#endif
+#ifndef CK_ENABLE_FP8
+#define CK_ENABLE_FP8 "ON"
+#endif
+#ifndef CK_ENABLE_FP16
+#define CK_ENABLE_FP16 "ON"
+#endif
+#ifndef CK_ENABLE_BF16
+#define CK_ENABLE_BF16 "ON"
+#endif
+#ifndef CK_ENABLE_FP32
+#define CK_ENABLE_FP32 "ON"
+#endif
+#ifndef CK_ENABLE_FP64
+#define CK_ENABLE_FP64 "ON"
+#endif
+#endif
+#endif
+// if DTYPES are selectively enabled
+#ifndef CK_ENABLE_INT8
+#cmakedefine CK_ENABLE_INT8 @CK_ENABLE_INT8@
+#endif
+
+#ifndef CK_ENABLE_FP8
+#cmakedefine CK_ENABLE_FP8 @CK_ENABLE_FP8@
+#endif
+
+#ifndef CK_ENABLE_FP16
+#cmakedefine CK_ENABLE_FP16 @CK_ENABLE_FP16@
+#endif
+
+#ifndef CK_ENABLE_BF16
+#cmakedefine CK_ENABLE_BF16 @CK_ENABLE_BF16@
+#endif
+
+#ifndef CK_ENABLE_FP32
+#cmakedefine CK_ENABLE_FP32 @CK_ENABLE_FP32@
+#endif
+
+#ifndef CK_ENABLE_FP64
+#cmakedefine CK_ENABLE_FP64 @CK_ENABLE_FP64@
+#endif
+
+//
+// Legacy DL kernel supports in the current CK build
+// by default DL kernels are turned OFF
+//
+#ifndef CK_ENABLE_DL_KERNELS
+#cmakedefine CK_ENABLE_DL_KERNELS @CK_ENABLE_DL_KERNELS@
+#endif
+
+//
+// Instances supports in the current CK build
+//
+#ifndef CK_ENABLE_INSTANCES_ONLY
+#cmakedefine CK_ENABLE_INSTANCES_ONLY @CK_ENABLE_INSTANCES_ONLY@
+#endif
+
+// clang-format on
+
+#endif // CK_CONFIG_H_IN

include/ck/host_utility/device_prop.hpp

@@ -51,4 +51,11 @@ inline std::string get_device_name()
     return name;
 }
 
+inline bool is_xdl_supported()
+{
+    return ck::get_device_name() == "gfx908" || ck::get_device_name() == "gfx90a" ||
+           ck::get_device_name() == "gfx940" || ck::get_device_name() == "gfx941" ||
+           ck::get_device_name() == "gfx942";
+}
+
 } // namespace ck

include/ck/host_utility/kernel_launch.hpp

@@ -73,3 +73,72 @@ float launch_and_time_kernel(const StreamConfig& stream_config,
     return 0;
 #endif
 }
+
+template <typename... Args, typename F, typename PreProcessFunc>
+float launch_and_time_kernel_with_preprocess(const StreamConfig& stream_config,
+                                             PreProcessFunc preprocess,
+                                             F kernel,
+                                             dim3 grid_dim,
+                                             dim3 block_dim,
+                                             std::size_t lds_byte,
+                                             Args... args)
+{
+#if CK_TIME_KERNEL
+    if(stream_config.time_kernel_)
+    {
+#if DEBUG_LOG
+        printf("%s: grid_dim {%d, %d, %d}, block_dim {%d, %d, %d} \n",
+               __func__,
+               grid_dim.x,
+               grid_dim.y,
+               grid_dim.z,
+               block_dim.x,
+               block_dim.y,
+               block_dim.z);
+
+        printf("Warm up 1 time\n");
+#endif
+        // warm up
+        preprocess();
+        kernel<<<grid_dim, block_dim, lds_byte, stream_config.stream_id_>>>(args...);
+
+        const int nrepeat = 10;
+#if DEBUG_LOG
+        printf("Start running %d times...\n", nrepeat);
+#endif
+        hipEvent_t start, stop;
+
+        hip_check_error(hipEventCreate(&start));
+        hip_check_error(hipEventCreate(&stop));
+
+        hip_check_error(hipDeviceSynchronize());
+        hip_check_error(hipEventRecord(start, stream_config.stream_id_));
+
+        for(int i = 0; i < nrepeat; ++i)
+        {
+            preprocess();
+            kernel<<<grid_dim, block_dim, lds_byte, stream_config.stream_id_>>>(args...);
+        }
+
+        hip_check_error(hipEventRecord(stop, stream_config.stream_id_));
+        hip_check_error(hipEventSynchronize(stop));
+
+        float total_time = 0;
+
+        hip_check_error(hipEventElapsedTime(&total_time, start, stop));
+
+        return total_time / nrepeat;
+    }
+    else
+    {
+        preprocess();
+        kernel<<<grid_dim, block_dim, lds_byte, stream_config.stream_id_>>>(args...);
+
+        return 0;
+    }
+#else
+    kernel<<<grid_dim, block_dim, lds_byte, stream_config.stream_id_>>>(args...);
+
+    return 0;
+#endif
+}

include/ck/host_utility/stream_utility.hpp

@@ -8,7 +8,7 @@
 #include "ck/stream_config.hpp"
 #include "ck/host_utility/hip_check_error.hpp"
 
-static int getAvailableComputeUnitCount(const StreamConfig& stream_config)
+static inline int getAvailableComputeUnitCount(const StreamConfig& stream_config)
 {
     constexpr int MAX_MASK_DWORDS = 64;
 

include/ck/tensor_description/multi_index_transform.hpp

@@ -1042,13 +1042,13 @@ struct Merge_v2_magic_division
     using UpLengths =
         decltype(make_tuple(container_reduce(LowLengths{}, math::multiplies{}, Number<1>{})));
 
-    using LowLengthsMagicDivisorMultipiler = decltype(
-        generate_tuple(lambda_merge_generate_MagicDivision_calculate_magic_multiplier<LowLengths>{},
-                       Number<NDimLow>{}));
+    using LowLengthsMagicDivisorMultipiler = decltype(generate_tuple(
+        lambda_merge_generate_MagicDivision_calculate_magic_multiplier<LowLengths>{},
+        Number<NDimLow>{}));
 
-    using LowLengthsMagicDivisorShift = decltype(
-        generate_tuple(lambda_merge_generate_MagicDivision_calculate_magic_shift<LowLengths>{},
-                       Number<NDimLow>{}));
+    using LowLengthsMagicDivisorShift = decltype(generate_tuple(
+        lambda_merge_generate_MagicDivision_calculate_magic_shift<LowLengths>{},
+        Number<NDimLow>{}));
 
     LowLengths low_lengths_;
     LowLengthsMagicDivisorMultipiler low_lengths_magic_divisor_multiplier_;
@@ -1201,9 +1201,9 @@ struct Merge_v2r2_magic_division
         lambda_merge_generate_MagicDivision_calculate_magic_multiplier<LowLengthsScan>{},
         Number<NDimLow>{}));
 
-    using LowLengthsScanMagicDivisorShift = decltype(
-        generate_tuple(lambda_merge_generate_MagicDivision_calculate_magic_shift<LowLengthsScan>{},
-                       Number<NDimLow>{}));
+    using LowLengthsScanMagicDivisorShift = decltype(generate_tuple(
+        lambda_merge_generate_MagicDivision_calculate_magic_shift<LowLengthsScan>{},
+        Number<NDimLow>{}));
 
     LowLengths low_lengths_;
     LowLengthsScan low_lengths_scan_;

include/ck/tensor_operation/gpu/block/blockwise_gemm_dl_v2r3.hpp

@@ -11,7 +11,7 @@
 namespace ck {
 
 // C[BM0, BM1, BN0, BN1] += transpose(A[K, BM0, BM1]) * B[K, BN0, BN1]
-// A and B are visable to the whole block, C is distributed among each thread
+// A and B are visible to the whole block, C is distributed among each thread
 // Assume:
 //   1. A:
 //     1. ABlockDesc_BK0_BM_BK1 is known at compile-time

include/ck/tensor_operation/gpu/block/blockwise_gemm_dpp.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
+
+#pragma once
+
+#include "ck/utility/common_header.hpp"
+#include "ck/tensor_description/tensor_adaptor.hpp"
+#include "ck/tensor_operation/gpu/thread/threadwise_tensor_slice_transfer.hpp"
+#include "ck/tensor_operation/gpu/warp/dpp_gemm.hpp"
+
+namespace ck {
+
+/**
+ * Blockwise GEMM that uses DPP instruction modifier to limit the amount of data loaded for each
+ * thread by sharing the data between threads in a lanegroup.
+ *
+ * In every iteration, each wave calculates a C tile of size `MPerDpp` * `NPerDpp`, there are
+ * `MRepeat` iterations for `M` dimension and `NRepeat` for `N` one.
+ * In total, the algorithm runs using
+ * `MPerBlock / (MRepeat * MPerDpp) * NPerBlock / (NRepeat * NPerDpp)` waves.
+ */
+template <index_t BlockSize,
+          typename ABDataType,
+          typename AccDataType,
+          typename AK0MK1BlockDesc,
+          typename BK0NK1BlockDesc,
+          index_t MPerDpp,
+          index_t NPerDpp,
+          index_t MRepeat,
+          index_t NRepeat,
+          index_t KPack>
+struct BlockwiseGemmDpp_ak0mak1_bk0nbk1_m0n0m1n1m2n2
+{
+    static constexpr auto I0 = Number<0>{};
+    static constexpr auto I1 = Number<1>{};
+    static constexpr auto I2 = Number<2>{};
+    static constexpr auto I3 = Number<3>{};
+
+    using ThisThreadBlock = ThisThreadBlock<BlockSize>;
+
+    static constexpr index_t WaveSize = get_warp_size();
+
+    static constexpr index_t MPerBlock = AK0MK1BlockDesc{}.GetLength(I1);
+    static constexpr index_t NPerBlock = BK0NK1BlockDesc{}.GetLength(I1);
+    static constexpr index_t KPerBlock =
+        BK0NK1BlockDesc{}.GetLength(I0) * BK0NK1BlockDesc{}.GetLength(I2);
+
+    static constexpr index_t A_K0 = AK0MK1BlockDesc{}.GetLength(I0);
+    static constexpr index_t B_K0 = BK0NK1BlockDesc{}.GetLength(I0);
+    static constexpr index_t A_K1 = AK0MK1BlockDesc{}.GetLength(I2);
+    static constexpr index_t B_K1 = BK0NK1BlockDesc{}.GetLength(I2);
+
+    static constexpr auto dpp_gemm = DppGemm<ABDataType, MPerDpp, NPerDpp, KPack>{};
+
+    static constexpr index_t KPerThread = KPerBlock / dpp_gemm.K0PerDpp;
+
+    static constexpr index_t MWaves = MPerBlock / (MRepeat * MPerDpp);
+    static constexpr index_t NWaves = NPerBlock / (NRepeat * NPerDpp);
+
+    StaticBufferTupleOfVector<AddressSpaceEnum::Vgpr,
+                              AccDataType,
+                              MRepeat * NRepeat,
+                              dpp_gemm.GetRegSizePerDpp(),
+                              true>
+        c_thread_buf_;
+
+    __host__ __device__ constexpr auto& GetCThreadBuffer() { return c_thread_buf_; }
+
+    __device__ static auto GetWaveIdx()
+    {
+        const index_t thread_id = ThisThreadBlock::GetThreadId();
+
+        constexpr auto threadid_to_wave_idx_adaptor = make_single_stage_tensor_adaptor(
+            make_tuple(make_merge_transform(make_tuple(MWaves, NWaves, WaveSize))),
+            make_tuple(Sequence<0, 1, 2>{}),
+            make_tuple(Sequence<0>{}));
+
+        return threadid_to_wave_idx_adaptor.CalculateBottomIndex(make_multi_index(thread_id));
+    }
+
+    __device__ static auto CalculateAThreadOriginDataIndex_M0_M1_M2_K()
+    {
+        const auto wave_idx    = GetWaveIdx();
+        const auto waveId_m    = wave_idx[I0];
+        const auto dpp_a_idx   = dpp_gemm.CalculateAThreadOriginDataIndex_K_M();
+        const auto dpp_a_idx_k = dpp_a_idx[I0];
+        const auto dpp_a_idx_m = dpp_a_idx[I1];
+        return make_tuple(0, waveId_m, dpp_a_idx_m, KPerThread * dpp_a_idx_k);
+    }
+
+    __device__ static auto CalculateBThreadOriginDataIndex_N0_N1_N2_K()
+    {
+        const auto wave_idx    = GetWaveIdx();
+        const auto waveId_n    = wave_idx[I1];
+        const auto dpp_b_idx   = dpp_gemm.CalculateBThreadOriginDataIndex_K_N();
+        const auto dpp_b_idx_k = dpp_b_idx[I0];
+        const auto dpp_b_idx_n = dpp_b_idx[I1];
+        return make_tuple(0, waveId_n, dpp_b_idx_n, KPerThread * dpp_b_idx_k);
+    }
+
+    template <index_t m0, index_t n0>
+    __device__ static auto CalculateCThreadOriginDataIndex(Number<m0>, Number<n0>)
+    {
+        const auto wave_idx = GetWaveIdx();
+        const auto waveId_m = wave_idx[I0];
+        const auto waveId_n = wave_idx[I1];
+
+        const auto blk_idx      = dpp_gemm.GetBeginOfThreadBlk();
+        const auto blk_m_offset = blk_idx[I0];
+        const auto blk_n_offset = blk_idx[I1];
+
+        constexpr auto mrepeat_mwave_MPerDpp_to_m_adaptor = make_single_stage_tensor_adaptor(
+            make_tuple(make_unmerge_transform(make_tuple(MRepeat, MWaves, MPerDpp))),
+            make_tuple(Sequence<0>{}),
+            make_tuple(Sequence<0, 1, 2>{}));
+
+        constexpr auto nrepeat_nwave_NPerDpp_to_n_adaptor = make_single_stage_tensor_adaptor(
+            make_tuple(make_unmerge_transform(make_tuple(NRepeat, NWaves, NPerDpp))),
+            make_tuple(Sequence<0>{}),
+            make_tuple(Sequence<0, 1, 2>{}));
+
+        const index_t c_thread_m = mrepeat_mwave_MPerDpp_to_m_adaptor.CalculateBottomIndex(
+            make_tuple(m0, waveId_m, blk_m_offset))[I0];
+        const index_t c_thread_n = nrepeat_nwave_NPerDpp_to_n_adaptor.CalculateBottomIndex(
+            make_tuple(n0, waveId_n, blk_n_offset))[I0];
+
+        return make_tuple(c_thread_m, c_thread_n);
+    }
+
+    __host__ __device__ BlockwiseGemmDpp_ak0mak1_bk0nbk1_m0n0m1n1m2n2()
+    {
+        static_assert(AK0MK1BlockDesc::IsKnownAtCompileTime() &&
+                          BK0NK1BlockDesc::IsKnownAtCompileTime(),
+                      "Wrong! Block descriptors should be known at the time of compilation.");
+
+#if defined(__HIP_DEVICE_COMPILE__)
+        // Host wave size can be different than the device one and this assert could fail for host,
+        // but it does matter only for device.
+        static_assert(ThisThreadBlock::GetNumOfThread() == MWaves * NWaves * WaveSize,
+                      "ThisThreadBlock::GetNumOfThread() != MWaves * NWaves * WaveSize\n");
+#endif
+
+        static_assert(MPerBlock % (MPerDpp * MRepeat) == 0,
+                      "Invalid parameters. MPerBlock must be divisible by MPerDpp * MRepeat.");
+        static_assert(NPerBlock % (NPerDpp * NRepeat) == 0,
+                      "Invalid parameters. NPerBlock must be divisible by NPerDpp * NRepeat.");
+    }
+
+    __host__ __device__ static constexpr auto GetCThreadDescriptor_M0_N0_M1_N1_M2_N2()
+    {
+        constexpr auto c_m_n_tblk_lens = dpp_gemm.GetCMNThreadBlkLengths();
+        constexpr auto M               = c_m_n_tblk_lens[I0];
+        constexpr auto N               = c_m_n_tblk_lens[I1];
+
+        return make_naive_tensor_descriptor_packed(
+            make_tuple(Number<MRepeat>{}, Number<NRepeat>{}, I1, I1, M, N));
+    }
+
+    __host__ __device__ static constexpr auto GetCThreadDescriptor_G_M0_N0_M1_N1_M2_N2()
+    {
+        constexpr auto c_m_n_tblk_lens = dpp_gemm.GetCMNThreadBlkLengths();
+        constexpr auto M               = c_m_n_tblk_lens[I0];
+        constexpr auto N               = c_m_n_tblk_lens[I1];
+
+        return make_naive_tensor_descriptor_packed(
+            make_tuple(I1, Number<MRepeat>{}, Number<NRepeat>{}, I1, I1, M, N));
+    }
+
+    __host__ __device__ static constexpr auto GetCBlockDescriptor_M0_N0_M1_N1_M2_N2()
+    {
+        constexpr auto c_block_desc_m0_n0_m1_n1_m2_n2 =
+            make_naive_tensor_descriptor_packed(make_tuple(Number<MRepeat>{},
+                                                           Number<NRepeat>{},
+                                                           Number<MWaves>{},
+                                                           Number<NWaves>{},
+                                                           Number<MPerDpp>{},
+                                                           Number<NPerDpp>{}));
+
+        return c_block_desc_m0_n0_m1_n1_m2_n2;
+    }
+
+    __host__ __device__ static constexpr auto GetCBlockDescriptor_G_M0_N0_M1_N1_M2_N2()
+    {
+        constexpr auto c_block_desc_g_m0_n0_m1_n1_m2_n2 =
+            make_naive_tensor_descriptor_packed(make_tuple(I1,
+                                                           Number<MRepeat>{},
+                                                           Number<NRepeat>{},
+                                                           Number<MWaves>{},
+                                                           Number<NWaves>{},
+                                                           Number<MPerDpp>{},
+                                                           Number<NPerDpp>{}));
+        return c_block_desc_g_m0_n0_m1_n1_m2_n2;
+    }
+
+    template <typename CGridDesc_M_N>
+    __host__ __device__ static constexpr auto
+    MakeCGridDescriptor_M0_N0_M1_N1_M2_N2(const CGridDesc_M_N& c_grid_desc_m_n)
+    {
+        const auto M = c_grid_desc_m_n.GetLength(I0);
+        const auto N = c_grid_desc_m_n.GetLength(I1);
+
+        const auto c_grid_desc_m0_n0_m1_n1_m2_n2 = transform_tensor_descriptor(
+            c_grid_desc_m_n,
+            make_tuple(make_unmerge_transform(make_tuple(M / (MWaves * MPerDpp), MWaves, MPerDpp)),
+                       make_unmerge_transform(make_tuple(N / (NWaves * NPerDpp), NWaves, NPerDpp))),
+            make_tuple(Sequence<0>{}, Sequence<1>{}),
+            make_tuple(Sequence<0, 2, 4>{}, Sequence<1, 3, 5>{}));
+
+        return c_grid_desc_m0_n0_m1_n1_m2_n2;
+    }
+
+    template <typename CGridDesc_G_M_N>
+    __host__ __device__ static constexpr auto
+    MakeCGridDescriptor_G_M0_N0_M1_N1_M2_N2(const CGridDesc_G_M_N& c_grid_desc_g_m_n)
+    {
+        const auto G = c_grid_desc_g_m_n.GetLength(I0);
+        const auto M = c_grid_desc_g_m_n.GetLength(I1);
+        const auto N = c_grid_desc_g_m_n.GetLength(I2);
+
+        const auto c_grid_desc_g_m0_n0_m1_n1_m2_n2 = transform_tensor_descriptor(
+            c_grid_desc_g_m_n,
+            make_tuple(make_pass_through_transform(G),
+                       make_unmerge_transform(make_tuple(M / (MWaves * MPerDpp), MWaves, MPerDpp)),
+                       make_unmerge_transform(make_tuple(N / (NWaves * NPerDpp), NWaves, NPerDpp))),
+            make_tuple(Sequence<0>{}, Sequence<1>{}, Sequence<2>{}),
+            make_tuple(Sequence<0>{}, Sequence<1, 3, 5>{}, Sequence<2, 4, 6>{}));
+
+        return c_grid_desc_g_m0_n0_m1_n1_m2_n2;
+    }
+
+    __host__ __device__ static constexpr auto MakeABlockDescriptor_M0_M1_M2_K()
+    {
+        return transform_tensor_descriptor(
+            AK0MK1BlockDesc{},
+            make_tuple(
+                make_merge_transform_v3_division_mod(make_tuple(Number<A_K0>{}, Number<A_K1>{})),
+                make_unmerge_transform(
+                    make_tuple(Number<MRepeat>{}, Number<MWaves>{}, Number<MPerDpp>{}))),
+            make_tuple(Sequence<0, 2>{}, Sequence<1>{}),
+            make_tuple(Sequence<3>{}, Sequence<0, 1, 2>{}));
+    }
+
+    __host__ __device__ static constexpr auto MakeBBlockDescriptor_N0_N1_N2_K()
+    {
+        return transform_tensor_descriptor(
+            BK0NK1BlockDesc{},
+            make_tuple(
+                make_merge_transform_v3_division_mod(make_tuple(Number<B_K0>{}, Number<B_K1>{})),
+                make_unmerge_transform(
+                    make_tuple(Number<NRepeat>{}, Number<NWaves>{}, Number<NPerDpp>{}))),
+            make_tuple(Sequence<0, 2>{}, Sequence<1>{}),
+            make_tuple(Sequence<3>{}, Sequence<0, 1, 2>{}));
+    }
+
+    static constexpr auto a_block_desc_m0_m1_m2_k = MakeABlockDescriptor_M0_M1_M2_K();
+    static constexpr auto b_block_desc_n0_n1_n2_k = MakeBBlockDescriptor_N0_N1_N2_K();
+
+    template <typename ABlockBuffer, typename BBlockBuffer, typename CThreadBuffer>
+    __device__ void Run(const ABlockBuffer& a_block_buf,
+                        const BBlockBuffer& b_block_buf,
+                        CThreadBuffer& c_thread_buf) const
+    {
+        auto a_thread_buf = make_static_buffer<AddressSpaceEnum::Vgpr, ABDataType>(
+            a_thread_desc_.GetElementSpaceSize());
+        auto b_thread_buf = make_static_buffer<AddressSpaceEnum::Vgpr, ABDataType>(
+            b_thread_desc_.GetElementSpaceSize());
+
+        static_for<0, MRepeat, 1>{}([&](auto m0) {
+            // read A
+            a_thread_copy_.Run(a_block_desc_m0_m1_m2_k,
+                               make_tuple(m0, I0, I0, I0),
+                               a_block_buf,
+                               a_thread_desc_,
+                               make_tuple(I0, I0, I0, I0),
+                               a_thread_buf);
+
+            static_for<0, NRepeat, 1>{}([&](auto n0) {
+                // read B
+                b_thread_copy_.Run(b_block_desc_n0_n1_n2_k,
+                                   make_tuple(n0, I0, I0, I0),
+                                   b_block_buf,
+                                   b_thread_desc_,
+                                   make_tuple(I0, I0, I0, I0),
+                                   b_thread_buf);
+
+                static_for<0, KPerThread, KPack>{}([&](auto k) {
+                    vector_type<ABDataType, KPack> a_thread_vec;
+                    vector_type<ABDataType, KPack> b_thread_vec;
+
+                    static_for<0, KPack, 1>{}([&](auto i) {
+                        a_thread_vec.template AsType<ABDataType>()(i) = a_thread_buf
+                            [Number<a_thread_desc_.CalculateOffset(make_tuple(0, 0, 0, k + i))>{}];
+                        b_thread_vec.template AsType<ABDataType>()(i) = b_thread_buf
+                            [Number<b_thread_desc_.CalculateOffset(make_tuple(0, 0, 0, k + i))>{}];
+                    });
+
+                    using dpp_input_type =
+                        typename vector_type<ABDataType, dpp_gemm.K1PerDpp>::type;
+
+                    constexpr index_t c_offset =
+                        c_thread_desc_.CalculateOffset(make_tuple(m0, n0, 0));
+
+                    dpp_gemm.template Run(a_thread_vec.template AsType<dpp_input_type>(),
+                                          b_thread_vec.template AsType<dpp_input_type>(),
+                                          c_thread_buf.GetVectorTypeReference(Number<c_offset>{}));
+                });
+            });
+        });
+    }
+
+    protected:
+    // A[M0, M1, M2, KPerThread]
+    static constexpr auto a_thread_desc_ =
+        make_naive_tensor_descriptor_packed(make_tuple(I1, I1, I1, Number<KPerThread>{}));
+
+    // B[N0, N1, N2, KPerThread]
+    static constexpr auto b_thread_desc_ =
+        make_naive_tensor_descriptor_packed(make_tuple(I1, I1, I1, Number<KPerThread>{}));
+
+    // C[M, N, NumRegDpp]
+    static constexpr auto c_thread_desc_ = make_naive_tensor_descriptor_packed(
+        make_tuple(Number<MRepeat>{}, Number<NRepeat>{}, dpp_gemm.GetRegSizePerDpp()));
+
+    using AThreadCopy = ThreadwiseTensorSliceTransfer_v4<ABDataType,
+                                                         ABDataType,
+                                                         decltype(a_block_desc_m0_m1_m2_k),
+                                                         decltype(a_thread_desc_),
+                                                         Sequence<1, 1, 1, KPerThread>,
+                                                         Sequence<0, 1, 2, 3>,
+                                                         3,
+                                                         A_K1,
+                                                         A_K1>;
+
+    using BThreadCopy = ThreadwiseTensorSliceTransfer_v4<ABDataType,
+                                                         ABDataType,
+                                                         decltype(b_block_desc_n0_n1_n2_k),
+                                                         decltype(b_thread_desc_),
+                                                         Sequence<1, 1, 1, KPerThread>,
+                                                         Sequence<0, 1, 2, 3>,
+                                                         3,
+                                                         B_K1,
+                                                         B_K1>;
+
+    AThreadCopy a_thread_copy_{CalculateAThreadOriginDataIndex_M0_M1_M2_K()};
+    BThreadCopy b_thread_copy_{CalculateBThreadOriginDataIndex_N0_N1_N2_K()};
+};
+
+} // namespace ck