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 // Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
 // SPDX-License-Identifier: MIT
  
 #pragma once
  
 #include "ck/utility/env.hpp"
 #include "ck/utility/common_header.hpp"
 #include "ck/tensor_description/multi_index_transform_helper.hpp"
 #include "ck/tensor_description/tensor_descriptor.hpp"
 #include "ck/tensor_description/tensor_descriptor_helper.hpp"
 #include "ck/tensor_operation/gpu/grid/block_to_ctile_map.hpp"
 #include "ck/tensor_operation/gpu/block/blockwise_gemm_pipeline_wmma_selector.hpp"
 #include "ck/tensor_operation/gpu/block/thread_group_tensor_slice_transfer_v4r1.hpp"
 #include "ck/tensor_operation/gpu/block/thread_group_tensor_slice_transfer_v7r2.hpp"
 #include "ck/tensor_operation/gpu/block/thread_group_tensor_slice_transfer_v7r3.hpp"
 #include "ck/tensor_operation/gpu/thread/threadwise_tensor_slice_transfer.hpp"
 #include "ck/tensor_operation/gpu/element/element_wise_operation.hpp"
 #include "ck/tensor_operation/gpu/grid/gridwise_gemm_wmma_cshuffle_v3_common.hpp"
  
 namespace ck {
  
 //          operations that could be applied on each tensor respectively. The CDE_op is an
 //          elementwise operation applied to the C and all D tensors.
 template <typename ALayout,
           typename BLayout,
           typename DsLayout,
           typename ELayout,
           typename AsDataType,
           typename BsDataType,
           typename AccDataType,
           typename CShuffleDataType,
           typename DsDataType,
           typename EDataType,
           typename AElementwiseOperation,
           typename BElementwiseOperation,
           typename CDEElementwiseOperation,
           tensor_operation::device::GemmSpecialization GemmSpec,
           index_t BlockSize,
           index_t MPerBlock,
           index_t NPerBlock,
           index_t KPerBlock,
           index_t AK1Value,
           index_t BK1Value,
           index_t MPerWmma,
           index_t NPerWmma,
           index_t MRepeat,
           index_t NRepeat,
           typename ABlockTransferThreadClusterLengths_AK0_M_AK1,
           typename ABlockTransferThreadClusterArrangeOrder,
           typename ABlockTransferSrcAccessOrder,
           index_t ABlockTransferSrcVectorDim,
           index_t ABlockTransferSrcScalarPerVector,
           index_t ABlockTransferDstScalarPerVector_AK1,
           bool AThreadTransferSrcResetCoordinateAfterRun,
           index_t ABlockLdsExtraM,
           typename BBlockTransferThreadClusterLengths_BK0_N_BK1,
           typename BBlockTransferThreadClusterArrangeOrder,
           typename BBlockTransferSrcAccessOrder,
           index_t BBlockTransferSrcVectorDim,
           index_t BBlockTransferSrcScalarPerVector,
           index_t BBlockTransferDstScalarPerVector_BK1,
           bool BThreadTransferSrcResetCoordinateAfterRun,
           index_t BBlockLdsExtraN,
           index_t CShuffleMRepeatPerShuffle,
           index_t CShuffleNRepeatPerShuffle,
           typename CDEShuffleBlockTransferClusterLengths_MBlock_MPerBlock_NBlock_NPerBlock,
           typename CDEShuffleBlockTransferScalarPerVectors,
           BlockGemmPipelineScheduler BlkGemmPipeSched,
           BlockGemmPipelineVersion BlkGemmPipelineVer,
           typename ComputeTypeA,
           typename ComputeTypeB,
           bool PermuteA,
           bool PermuteB,
           bool IsBPreShuffled          = false,
           bool ForceThreadTileTransfer = false,
           bool IsFusedKernel           = false>
 struct GridwiseGemm_wmma_cshuffle_v3
     : GridwiseGemm_wmma_cshuffle_v3_base<
           ALayout,
           BLayout,
           DsLayout,
           ELayout,
           AsDataType,
           BsDataType,
           AccDataType,
           CShuffleDataType,
           DsDataType,
           EDataType,
           AElementwiseOperation,
           BElementwiseOperation,
           CDEElementwiseOperation,
           GemmSpec,
           BlockSize,
           MPerBlock,
           NPerBlock,
           KPerBlock,
           AK1Value,
           BK1Value,
           MPerWmma,
           NPerWmma,
           MRepeat,
           NRepeat,
           ABlockTransferThreadClusterLengths_AK0_M_AK1,
           ABlockTransferThreadClusterArrangeOrder,
           ABlockTransferSrcAccessOrder,
           ABlockTransferSrcVectorDim,
           ABlockTransferSrcScalarPerVector,
           ABlockTransferDstScalarPerVector_AK1,
           AThreadTransferSrcResetCoordinateAfterRun,
           ABlockLdsExtraM,
           BBlockTransferThreadClusterLengths_BK0_N_BK1,
           BBlockTransferThreadClusterArrangeOrder,
           BBlockTransferSrcAccessOrder,
           BBlockTransferSrcVectorDim,
           BBlockTransferSrcScalarPerVector,
           BBlockTransferDstScalarPerVector_BK1,
           BThreadTransferSrcResetCoordinateAfterRun,
           BBlockLdsExtraN,
           CShuffleMRepeatPerShuffle,
           CShuffleNRepeatPerShuffle,
           CDEShuffleBlockTransferClusterLengths_MBlock_MPerBlock_NBlock_NPerBlock,
           CDEShuffleBlockTransferScalarPerVectors,
           BlkGemmPipeSched,
           BlkGemmPipelineVer,
           ComputeTypeA,
           ComputeTypeB,
           PermuteA,
           PermuteB,
           IsBPreShuffled,
           ForceThreadTileTransfer,
           IsFusedKernel>
 {
     using Base = GridwiseGemm_wmma_cshuffle_v3_base<
         ALayout,
         BLayout,
         DsLayout,
         ELayout,
         AsDataType,
         BsDataType,
         AccDataType,
         CShuffleDataType,
         DsDataType,
         EDataType,
         AElementwiseOperation,
         BElementwiseOperation,
         CDEElementwiseOperation,
         GemmSpec,
         BlockSize,
         MPerBlock,
         NPerBlock,
         KPerBlock,
         AK1Value,
         BK1Value,
         MPerWmma,
         NPerWmma,
         MRepeat,
         NRepeat,
         ABlockTransferThreadClusterLengths_AK0_M_AK1,
         ABlockTransferThreadClusterArrangeOrder,
         ABlockTransferSrcAccessOrder,
         ABlockTransferSrcVectorDim,
         ABlockTransferSrcScalarPerVector,
         ABlockTransferDstScalarPerVector_AK1,
         AThreadTransferSrcResetCoordinateAfterRun,
         ABlockLdsExtraM,
         BBlockTransferThreadClusterLengths_BK0_N_BK1,
         BBlockTransferThreadClusterArrangeOrder,
         BBlockTransferSrcAccessOrder,
         BBlockTransferSrcVectorDim,
         BBlockTransferSrcScalarPerVector,
         BBlockTransferDstScalarPerVector_BK1,
         BThreadTransferSrcResetCoordinateAfterRun,
         BBlockLdsExtraN,
         CShuffleMRepeatPerShuffle,
         CShuffleNRepeatPerShuffle,
         CDEShuffleBlockTransferClusterLengths_MBlock_MPerBlock_NBlock_NPerBlock,
         CDEShuffleBlockTransferScalarPerVectors,
         BlkGemmPipeSched,
         BlkGemmPipelineVer,
         ComputeTypeA,
         ComputeTypeB,
         PermuteA,
         PermuteB,
         IsBPreShuffled,
         ForceThreadTileTransfer,
         IsFusedKernel>;
  
     using Base::I0;
     using Base::I1;
     using Base::I2;
     using Base::I3;
     using Base::I4;
     using Base::I5;
     using Base::I6;
     using Base::I7;
  
     using Base::AK0Number;
     using Base::AK1Number;
     using Base::BK0Number;
     using Base::BK1Number;
  
     using Base::APackedSize;
     using Base::BPackedSize;
  
     using Base::CalculateAK0Padded;
     using Base::CalculateBK0Padded;
     using Base::CalculateKPadded;
     using Base::CalculateKRead;
     using Base::CalculateMBlock;
     using Base::CalculateMPadded;
     using Base::CalculateNBlock;
     using Base::CalculateNPadded;
     using Base::MakeAsGridDescriptor_AK0_M_AK1;
     using Base::MakeBsGridDescriptor_BK0_N_BK1;
     using Base::MakeDEGridDescriptor_M_N;
     using Base::MakeDsGridDescriptor_M_N;
     using Base::MakeDsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock;
  
     using Base::MakeDEGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock;
  
     using ThisThreadBlock = ThisThreadBlock<BlockSize>;
  
     using Base::NumATensor;
     using Base::NumBTensor;
     using Base::NumDTensor;
     using typename Base::AsGridPointer;
     using typename Base::BsGridPointer;
     using typename Base::DsGridPointer;
     using AsDataType_ = AsDataType;
     using BsDataType_ = BsDataType;
  
     struct Problem
     {
         __host__ Problem() = default;
         __host__ __device__ Problem(index_t M_,
                                     index_t N_,
                                     index_t K_,
                                     std::array<index_t, NumATensor> StrideAs_,
                                     std::array<index_t, NumBTensor> StrideBs_,
                                     std::array<index_t, NumDTensor> StrideDs_,
                                     index_t StrideE_,
                                     index_t KBatch_)
             : M{M_},
               N{N_},
               K{K_},
               StrideAs{StrideAs_},
               StrideBs{StrideBs_},
               StrideDs{StrideDs_},
               StrideE{StrideE_},
               KBatch{KBatch_},
               MPadded{CalculateMPadded(M_)},
               NPadded{CalculateNPadded(N_)},
               KRead{CalculateKRead(K_, KBatch_)},
               KPadded{CalculateKPadded(K_, KBatch_)},
               AK0{CalculateAK0Padded(K_, KBatch_)},
               BK0{CalculateBK0Padded(K_, KBatch_)},
               MBlock{CalculateMBlock(M_)},
               NBlock{CalculateNBlock(N_)},
               Kt{K_}
         {
         }
  
         __host__ void Print() const
         {
             std::cout << "problem {" << "M:" << M << ", " << "N:" << N << ", " << "K:" << K << ", "
                       << "SAs: {";
             static_for<0, NumATensor, 1>{}([&](auto i) {
                 std::cout << StrideAs[i] << (i.value < NumATensor - 1 ? ", " : "");
             });
             std::cout << "}, " << "SBs: {";
             static_for<0, NumBTensor, 1>{}([&](auto i) {
                 std::cout << StrideBs[i] << (i.value < NumBTensor - 1 ? ", " : "");
             });
             std::cout << "}, ";
             if constexpr(NumDTensor > 0)
             {
                 std::cout << "SDs: { ";
                 static_for<0, NumDTensor, 1>{}([&](auto i) {
                     std::cout << StrideDs[i] << (i.value < NumDTensor - 1 ? ", " : "");
                 });
                 std::cout << " }, ";
             }
             std::cout << "SE:" << StrideE << ", " << "MP:" << MPadded << ", " << "NP:" << NPadded
                       << ", " << "KRead:" << KRead << ", " << "KP:" << KPadded << ", "
                       << "AK0:" << AK0 << ", " << "BK0:" << BK0 << ", " << "MBlock: " << MBlock
                       << ", " << "NBlock: " << NBlock << "}" << std::endl;
         }
  
         index_t M;
         index_t N;
         index_t K;
         std::array<index_t, NumATensor> StrideAs;
         std::array<index_t, NumBTensor> StrideBs;
         std::array<index_t, NumDTensor> StrideDs;
         index_t StrideE;
         index_t KBatch;
         index_t MPadded;
         index_t NPadded;
         index_t KRead;
         index_t KPadded;
         index_t AK0;
         index_t BK0;
         index_t MBlock;
         index_t NBlock;
         index_t Kt;
     };
  
     // Argument
     struct Argument : public tensor_operation::device::BaseArgument, public Problem
     {
         __host__ Argument() = default;
         __host__ __device__ Argument(std::array<const void*, NumATensor> p_as_grid_,
                                      std::array<const void*, NumBTensor> p_bs_grid_,
                                      std::array<const void*, NumDTensor> p_ds_grid_,
                                      EDataType* p_e_grid_,
                                      index_t M_,
                                      index_t N_,
                                      index_t K_,
                                      std::array<index_t, NumATensor> StrideAs_,
                                      std::array<index_t, NumBTensor> StrideBs_,
                                      std::array<index_t, NumDTensor> StrideDs_,
                                      index_t StrideE_,
                                      index_t k_batch_,
                                      AElementwiseOperation a_element_op_,
                                      BElementwiseOperation b_element_op_,
                                      CDEElementwiseOperation cde_element_op_,
                                      bool is_reduce_ = false)
             : Problem{M_, N_, K_, StrideAs_, StrideBs_, StrideDs_, StrideE_, k_batch_},
               p_as_grid{},
               p_bs_grid{},
               p_ds_grid{},
               p_e_grid{p_e_grid_},
               a_element_op{a_element_op_},
               b_element_op{b_element_op_},
               cde_element_op{cde_element_op_},
               is_reduce(is_reduce_)
         {
             // populate pointer, desc for As
             static_for<0, NumATensor, 1>{}([&](auto i) {
                 using ADataType_ = remove_cvref_t<tuple_element_t<i.value, AsDataType>>;
  
                 // A pointer
                 p_as_grid(i) = static_cast<const ADataType_*>(p_as_grid_[i]);
             });
  
             // populate pointer, desc for Bs
             static_for<0, NumBTensor, 1>{}([&](auto i) {
                 using BDataType_ = remove_cvref_t<tuple_element_t<i.value, BsDataType>>;
  
                 // B pointer
                 p_bs_grid(i) = static_cast<const BDataType_*>(p_bs_grid_[i]);
             });
  
             // populate pointer, desc for Ds
             static_for<0, NumDTensor, 1>{}([&](auto i) {
                 using DDataType = remove_cvref_t<tuple_element_t<i.value, DsDataType>>;
  
                 // D pointer
                 p_ds_grid(i) = static_cast<const DDataType*>(p_ds_grid_[i]);
             });
         }
  
         __host__ __device__ inline bool IsReduceAdd() const
         {
             return (Problem::KBatch > 1) && is_reduce;
         }
  
         __host__ __device__ inline bool IsAtomicAdd() const
         {
             return (Problem::KBatch > 1) && (!is_reduce);
         }
  
         AsGridPointer p_as_grid;
         BsGridPointer p_bs_grid;
         DsGridPointer p_ds_grid;
         EDataType* p_e_grid;
  
         AElementwiseOperation a_element_op;
         BElementwiseOperation b_element_op;
         CDEElementwiseOperation cde_element_op;
  
         // TODO: it can be used with SplitK+reduction but currently only used with SplitK+atomicAdd
         bool is_reduce;
     };
  
     struct SplitKBatchOffset
     {
  
         __device__ SplitKBatchOffset(Argument& karg, index_t k_id)
         {
             // Note: in xdl implementation multiple AB supports one layout
             // but multiple strides, so we create an array of offsets with
             // the same values.
             // It should be fixed later on. Once we will have a thread transfer
             // more flexible.
             if constexpr(is_same_v<tensor_layout::gemm::RowMajor, ALayout>)
             {
                 static_for<0, NumATensor, 1>{}(
                     [&](auto i) { a_k_split_offset[i] = k_id * karg.KRead / APackedSize; });
             }
             else if constexpr(is_same_v<tensor_layout::gemm::ColumnMajor, ALayout>)
             {
                 static_for<0, NumATensor, 1>{}(
                     [&](auto i) { a_k_split_offset[i] = k_id * karg.KRead * karg.StrideAs[i]; });
             }
  
             if constexpr(IsBPreShuffled)
             {
                 static_for<0, NumBTensor, 1>{}([&](auto i) { b_k_split_offset[i] = 0; });
             }
             else
             {
                 if constexpr(is_same_v<tensor_layout::gemm::RowMajor, BLayout>)
                 {
                     static_for<0, NumBTensor, 1>{}([&](auto i) {
                         b_k_split_offset[i] = k_id * karg.KRead * karg.StrideBs[i];
                     });
                 }
                 else if constexpr(is_same_v<tensor_layout::gemm::ColumnMajor, BLayout>)
                 {
                     if constexpr(!PermuteB)
                     {
                         static_for<0, NumBTensor, 1>{}(
                             [&](auto i) { b_k_split_offset[i] = k_id * karg.KRead / BPackedSize; });
                     }
                     else
                     {
                         const int k0_offset = karg.KRead * karg.N;
                         static_for<0, NumBTensor, 1>{}(
                             [&](auto i) { b_k_split_offset[i] = k_id * k0_offset / BPackedSize; });
                     }
                 }
             }
  
             if(k_id < karg.KBatch - 1)
             {
                 karg.K = karg.KRead;
             }
             else
             {
                 karg.K = karg.K - karg.KRead * (karg.KBatch - 1);
             }
  
             if(karg.IsReduceAdd())
             {
                 c_reduce_offset = k_id * karg.M * karg.N;
             }
             else
             {
                 c_reduce_offset = 0;
             }
         }
  
         std::array<index_t, NumATensor> a_k_split_offset;
         std::array<index_t, NumBTensor> b_k_split_offset;
         index_t c_reduce_offset;
     };
  
     using BlockwiseGemmPipe = typename Base::BlockwiseGemmPipe;
  
     // return block_id to C matrix tile idx (m0, n0) mapping
     // if arch = gfx942
     using Block2CTileMap = BlockToCTileMap_Grouped_M00_N0_M01Adapt<8, MPerBlock, NPerBlock>;
     // using Block2CTileMap = BlockToCTileMap_3DGrid_KSplit<MPerBlock, NPerBlock>;
  
     __device__ static index_t GetKBlockPerScale() { return 1; }
  
     template <bool HasMainKBlockLoop,
               InMemoryDataOperationEnum EGlobalMemoryDataOperation,
               TailNumber TailNum,
               typename Block2CTileMap,
               typename EpilogueArgument,
               int BlockMapMBlockIndex = 0,
               int BlockMapNBlockIndex = 1>
     __device__ static void Run(AsGridPointer& p_as_grid,
                                BsGridPointer& p_bs_grid,
                                DsGridPointer& p_ds_grid,
                                EDataType* p_e_grid,
                                void* p_shared,
                                const Problem& problem,
                                const Block2CTileMap& block_2_ctile_map,
                                AElementwiseOperation a_element_op,
                                BElementwiseOperation b_element_op,
                                CDEElementwiseOperation cde_element_op,
                                EpilogueArgument& epilogue_args,
                                const index_t A_k_id = 0,
                                const index_t B_k_id = 0)
     {
         const auto as_grid_desc_ak0_m_ak1 = MakeAsGridDescriptor_AK0_M_AK1(
             problem.M, problem.MPadded, problem.K, problem.KPadded, problem.StrideAs, problem.AK0);
         const index_t K_b                 = IsBPreShuffled ? problem.Kt : problem.K;
         const auto bs_grid_desc_bk0_n_bk1 = MakeBsGridDescriptor_BK0_N_BK1(
             K_b, problem.KPadded, problem.N, problem.NPadded, problem.StrideBs, problem.BK0);
         const auto ds_grid_desc_m_n = MakeDsGridDescriptor_M_N(
             problem.M, problem.MPadded, problem.N, problem.NPadded, problem.StrideDs);
         const auto e_grid_desc_m_n = Base::template MakeDEGridDescriptor_M_N<ELayout>(
             problem.M, problem.MPadded, problem.N, problem.NPadded, problem.StrideE);
         const auto ds_grid_desc_mblock_mperblock_nblock_nperblock =
             MakeDsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock(
                 ds_grid_desc_m_n, problem.MBlock, problem.NBlock);
         const auto e_grid_desc_mblock_mperblock_nblock_nperblock =
             MakeDEGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock(
                 e_grid_desc_m_n, problem.MBlock, problem.NBlock);
  
         Run<HasMainKBlockLoop,
             EGlobalMemoryDataOperation,
             TailNum,
             decltype(as_grid_desc_ak0_m_ak1),
             decltype(bs_grid_desc_bk0_n_bk1),
             decltype(ds_grid_desc_mblock_mperblock_nblock_nperblock),
             decltype(e_grid_desc_mblock_mperblock_nblock_nperblock),
             Block2CTileMap,
             EpilogueArgument,
             BlockMapMBlockIndex,
             BlockMapNBlockIndex>(p_as_grid,
                                  p_bs_grid,
                                  p_ds_grid,
                                  p_e_grid,
                                  p_shared,
                                  as_grid_desc_ak0_m_ak1,
                                  bs_grid_desc_bk0_n_bk1,
                                  ds_grid_desc_mblock_mperblock_nblock_nperblock,
                                  e_grid_desc_mblock_mperblock_nblock_nperblock,
                                  block_2_ctile_map,
                                  a_element_op,
                                  b_element_op,
                                  cde_element_op,
                                  epilogue_args,
                                  A_k_id,
                                  B_k_id);
     }
  
     // Overload to pass in custom As/Bs/Ds/E grid descriptors
     // Used for contraction operations, where tensor transforms are non-trivial
     template <bool HasMainKBlockLoop,
               InMemoryDataOperationEnum EGlobalMemoryDataOperation,
               TailNumber TailNum,
               typename AsGridDescriptor_AK0_M_AK1,
               typename BsGridDescriptor_BK0_N_BK1,
               typename DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock,
               typename EGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock,
               typename Block2CTileMap,
               typename EpilogueArgument,
               int BlockMapMBlockIndex = 0,
               int BlockMapNBlockIndex = 1>
     __device__ static void Run(AsGridPointer& p_as_grid,
                                BsGridPointer& p_bs_grid,
                                DsGridPointer& p_ds_grid,
                                EDataType* p_e_grid,
                                void* p_shared,
                                const AsGridDescriptor_AK0_M_AK1 as_grid_desc_ak0_m_ak1,
                                const BsGridDescriptor_BK0_N_BK1 bs_grid_desc_bk0_n_bk1,
                                const DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock
                                    ds_grid_desc_mblock_mperblock_nblock_nperblock,
                                const EGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock
                                    e_grid_desc_mblock_mperblock_nblock_nperblock,
                                const Block2CTileMap& block_2_ctile_map,
                                AElementwiseOperation a_element_op,
                                BElementwiseOperation b_element_op,
                                CDEElementwiseOperation cde_element_op,
                                EpilogueArgument& epilogue_args,
                                const index_t A_k_id = 0,
                                const index_t B_k_id = 0)
     {
  
         const auto block_work_idx =
             block_2_ctile_map.CalculateBottomIndex(make_multi_index(get_block_1d_id()));
  
         if(!block_2_ctile_map.ValidCTileIndex(
                block_work_idx,
                make_tuple(e_grid_desc_mblock_mperblock_nblock_nperblock.GetLength(I0),
                           e_grid_desc_mblock_mperblock_nblock_nperblock.GetLength(I2))))
         {
             return;
         }
  
         const index_t block_m_id =
             __builtin_amdgcn_readfirstlane(block_work_idx[Number<BlockMapMBlockIndex>{}]);
         const index_t block_n_id =
             __builtin_amdgcn_readfirstlane(block_work_idx[Number<BlockMapNBlockIndex>{}]);
  
         // BScale struct (Empty)
         using Scale         = typename BlockwiseGemmPipe::Empty;
         auto a_scale_struct = Scale{};
         auto b_scale_struct = Scale{};
  
         const index_t num_k_block_per_scale = GetKBlockPerScale();
  
         Base::template Run<decltype(as_grid_desc_ak0_m_ak1),
                            decltype(bs_grid_desc_bk0_n_bk1),
                            decltype(ds_grid_desc_mblock_mperblock_nblock_nperblock),
                            decltype(e_grid_desc_mblock_mperblock_nblock_nperblock),
                            decltype(a_scale_struct),
                            decltype(b_scale_struct),
                            decltype(epilogue_args),
                            HasMainKBlockLoop,
                            EGlobalMemoryDataOperation,
                            TailNum>(p_as_grid,
                                     p_bs_grid,
                                     p_ds_grid,
                                     p_e_grid,
                                     p_shared,
                                     as_grid_desc_ak0_m_ak1,
                                     bs_grid_desc_bk0_n_bk1,
                                     ds_grid_desc_mblock_mperblock_nblock_nperblock,
                                     e_grid_desc_mblock_mperblock_nblock_nperblock,
                                     a_element_op,
                                     b_element_op,
                                     cde_element_op,
                                     block_m_id,
                                     block_n_id,
                                     num_k_block_per_scale,
                                     a_scale_struct,
                                     b_scale_struct,
                                     epilogue_args,
                                     A_k_id,
                                     B_k_id);
     }
  
     template <bool HasMainKBlockLoop,
               InMemoryDataOperationEnum EGlobalMemoryDataOperation,
               TailNumber TailNum,
               typename EpilogueArgument>
     __device__ static void Run(AsGridPointer& p_as_grid,
                                BsGridPointer& p_bs_grid,
                                DsGridPointer& p_ds_grid,
                                EDataType* p_e_grid,
                                void* p_shared,
                                const Problem& problem,
                                AElementwiseOperation a_element_op,
                                BElementwiseOperation b_element_op,
                                CDEElementwiseOperation cde_element_op,
                                EpilogueArgument& epilogue_args)
     {
         Run<HasMainKBlockLoop,
             EGlobalMemoryDataOperation,
             TailNum,
             Block2CTileMap,
             EpilogueArgument>(p_as_grid,
                               p_bs_grid,
                               p_ds_grid,
                               p_e_grid,
                               p_shared,
                               problem,
                               DefaultBlock2CTileMap(problem),
                               a_element_op,
                               b_element_op,
                               cde_element_op,
                               epilogue_args);
     }
  
     // Wrapper function to have __global__ function in common
     // between gemm_universal, b_scale, ab_scale, etc.
     template <bool HasMainKBlockLoop,
               InMemoryDataOperationEnum EGlobalMemoryDataOperation,
               TailNumber TailNum,
               typename Block2CTileMap,
               typename EpilogueArgument,
               int BlockMapMBlockIndex = 0,
               int BlockMapNBlockIndex = 1>
     __device__ static void Run(void* p_shared,
                                const SplitKBatchOffset& splitk_batch_offset,
                                Argument& karg,
                                const Block2CTileMap& block_2_ctile_map,
                                EpilogueArgument& epilogue_args,
                                const index_t A_k_id = 0,
                                const index_t B_k_id = 0)
     {
         // shift A matrices pointer for splitk
         AsGridPointer p_as_grid_splitk;
         static_for<0, NumATensor, 1>{}([&](auto i) {
             using ADataType_    = remove_cvref_t<tuple_element_t<i.value, AsDataType>>;
             p_as_grid_splitk(i) = static_cast<const ADataType_*>(karg.p_as_grid[i]) +
                                   splitk_batch_offset.a_k_split_offset[i];
         });
  
         // shift B matrices pointer for splitk
         BsGridPointer p_bs_grid_splitk;
         static_for<0, NumBTensor, 1>{}([&](auto i) {
             using BDataType_    = remove_cvref_t<tuple_element_t<i.value, BsDataType>>;
             p_bs_grid_splitk(i) = static_cast<const BDataType_*>(karg.p_bs_grid[i]) +
                                   splitk_batch_offset.b_k_split_offset[i];
         });
  
         Run<HasMainKBlockLoop,
             EGlobalMemoryDataOperation,
             TailNum,
             Block2CTileMap,
             EpilogueArgument,
             BlockMapMBlockIndex,
             BlockMapNBlockIndex>(p_as_grid_splitk,
                                  p_bs_grid_splitk,
                                  karg.p_ds_grid,
                                  karg.p_e_grid + splitk_batch_offset.c_reduce_offset,
                                  p_shared,
                                  karg,
                                  block_2_ctile_map,
                                  karg.a_element_op,
                                  karg.b_element_op,
                                  karg.cde_element_op,
                                  epilogue_args,
                                  A_k_id,
                                  B_k_id);
     }
  
     // Wrapper function to have __global__ function in common
     // between gemm_universal, b_scale, ab_scale, etc.
     template <bool HasMainKBlockLoop,
               InMemoryDataOperationEnum EGlobalMemoryDataOperation,
               TailNumber TailNum,
               typename EpilogueArgument>
     __device__ static void Run(void* p_shared,
                                const SplitKBatchOffset& splitk_batch_offset,
                                Argument& karg,
                                EpilogueArgument& epilogue_args,
                                const index_t A_k_id = 0,
                                const index_t B_k_id = 0)
     {
         Run<HasMainKBlockLoop,
             EGlobalMemoryDataOperation,
             TailNum,
             Block2CTileMap,
             EpilogueArgument>(p_shared,
                               splitk_batch_offset,
                               karg,
                               DefaultBlock2CTileMap(karg),
                               epilogue_args,
                               A_k_id,
                               B_k_id);
     }
  
     __device__ __host__ static auto DefaultBlock2CTileMap(const Problem& problem)
     {
         return DefaultBlock2CTileMap(problem.M, problem.N);
     }
     __device__ __host__ static auto DefaultBlock2CTileMap(const index_t M, const index_t N)
     {
         return Block2CTileMap{M, N, 4};
     }
  
     // Run method for convolution for bwd_data (grid descriptors are passed as arguments,
     // not generated internally)
     template <typename AGridDesc_AK0_M_K1,
               typename BGridDesc_BK0_N_K1,
               typename DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock,
               typename EGridDesc_MBlock_MPerBlock_NBlock_NPerBlock,
               typename Block2CTileMapExt,
               typename ComputePtrOffsetOfBatch,
               typename ComputePtrOffsetOfN,
               bool HasMainKBlockLoop,
               InMemoryDataOperationEnum EGlobalMemoryDataOperation,
               bool CTranspose,
               TailNumber TailNum,
               typename EpilogueArgument>
     __device__ static void Run(void* p_shared,
                                const AGridDesc_AK0_M_K1 a_grid_desc_ak0_m_ak1,
                                const BGridDesc_BK0_N_K1 b_grid_desc_bk0_n_bk1,
                                const DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock
                                    ds_grid_desc_mblock_mperblock_nblock_nperblock,
                                const EGridDesc_MBlock_MPerBlock_NBlock_NPerBlock
                                    e_grid_desc_mblock_mperblock_nblock_nperblock,
                                const Block2CTileMapExt& block_2_ctile_map,
                                const ComputePtrOffsetOfBatch compute_ptr_offset_of_batch,
                                const ComputePtrOffsetOfN compute_ptr_offset_of_n,
                                const index_t num_k_per_block,
                                Argument& karg,
                                EpilogueArgument& epilogue_args)
     {
         const index_t g_idx = __builtin_amdgcn_readfirstlane(blockIdx.y);
         const index_t n_idx = __builtin_amdgcn_readfirstlane(blockIdx.z / karg.KBatch);
         const index_t k_idx =
             __builtin_amdgcn_readfirstlane((blockIdx.z - n_idx * karg.KBatch) * num_k_per_block);
  
         // offset base pointer for each work-group
         const long_index_t a_batch_offset =
             CTranspose ? amd_wave_read_first_lane(compute_ptr_offset_of_batch.GetBPtrOffset(g_idx))
                        : amd_wave_read_first_lane(compute_ptr_offset_of_batch.GetAPtrOffset(g_idx));
         const long_index_t b_batch_offset =
             CTranspose ? amd_wave_read_first_lane(compute_ptr_offset_of_batch.GetAPtrOffset(g_idx))
                        : amd_wave_read_first_lane(compute_ptr_offset_of_batch.GetBPtrOffset(g_idx));
         const long_index_t e_batch_offset =
             amd_wave_read_first_lane(compute_ptr_offset_of_batch.GetEPtrOffset(g_idx));
  
         const auto ds_batch_offset = compute_ptr_offset_of_batch.GetDsPtrOffset(g_idx);
  
         const long_index_t a_n_offset =
             CTranspose ? 0 : amd_wave_read_first_lane(compute_ptr_offset_of_n.GetAPtrOffset(n_idx));
         const long_index_t b_n_offset =
             CTranspose ? amd_wave_read_first_lane(compute_ptr_offset_of_n.GetAPtrOffset(n_idx)) : 0;
         const long_index_t e_n_offset =
             amd_wave_read_first_lane(compute_ptr_offset_of_n.GetEPtrOffset(n_idx));
  
         AsGridPointer p_as_grid_;
         static_for<0, NumATensor, 1>{}([&](auto i) {
             using ADataType_ = remove_cvref_t<tuple_element_t<i.value, AsDataType>>;
             p_as_grid_(i) =
                 static_cast<const ADataType_*>(karg.p_as_grid[i]) + a_batch_offset + a_n_offset;
         });
  
         BsGridPointer p_bs_grid_;
         static_for<0, NumBTensor, 1>{}([&](auto i) {
             using BDataType_ = remove_cvref_t<tuple_element_t<i.value, BsDataType>>;
             p_bs_grid_(i) =
                 static_cast<const BDataType_*>(karg.p_bs_grid[i]) + b_batch_offset + b_n_offset;
         });
  
         DsGridPointer p_ds_grid_grp;
         static_for<0, NumDTensor, 1>{}(
             [&](auto i) { p_ds_grid_grp(i) = karg.p_ds_grid[i] + ds_batch_offset[i]; });
  
         // Currently supporting one A and one B
         const auto as_grid_desc_ak0_m_ak1 = generate_tuple(
             [&](auto i) {
                 ignore = i;
                 return a_grid_desc_ak0_m_ak1;
             },
             Number<NumATensor>{});
  
         const auto bs_grid_desc_bk0_n_bk1 = generate_tuple(
             [&](auto i) {
                 ignore = i;
                 return b_grid_desc_bk0_n_bk1;
             },
             Number<NumBTensor>{});
  
         const auto block_work_idx =
             block_2_ctile_map.CalculateBottomIndex(make_multi_index(get_block_1d_id()));
  
         if(!block_2_ctile_map.ValidCTileIndex(
                block_work_idx,
                make_tuple(e_grid_desc_mblock_mperblock_nblock_nperblock.GetLength(I0),
                           e_grid_desc_mblock_mperblock_nblock_nperblock.GetLength(I2))))
         {
             return;
         }
  
         const index_t block_m_id = __builtin_amdgcn_readfirstlane(block_work_idx[I0]);
         const index_t block_n_id = __builtin_amdgcn_readfirstlane(block_work_idx[I1]);
  
         // AScale struct (Empty)
         using AScale        = typename BlockwiseGemmPipe::Empty;
         auto a_scale_struct = AScale{};
  
         // BScale struct (Empty)
         using BScale        = typename BlockwiseGemmPipe::Empty;
         auto b_scale_struct = BScale{};
  
         const index_t num_k_block_per_scale = GetKBlockPerScale();
  
         Base::template Run<decltype(as_grid_desc_ak0_m_ak1),
                            decltype(bs_grid_desc_bk0_n_bk1),
                            decltype(ds_grid_desc_mblock_mperblock_nblock_nperblock),
                            decltype(e_grid_desc_mblock_mperblock_nblock_nperblock),
                            decltype(a_scale_struct),
                            decltype(b_scale_struct),
                            decltype(epilogue_args),
                            HasMainKBlockLoop,
                            EGlobalMemoryDataOperation,
                            TailNum>(p_as_grid_,
                                     p_bs_grid_,
                                     p_ds_grid_grp,
                                     karg.p_e_grid + e_batch_offset + e_n_offset,
                                     p_shared,
                                     as_grid_desc_ak0_m_ak1,
                                     bs_grid_desc_bk0_n_bk1,
                                     ds_grid_desc_mblock_mperblock_nblock_nperblock,
                                     e_grid_desc_mblock_mperblock_nblock_nperblock,
                                     karg.a_element_op,
                                     karg.b_element_op,
                                     karg.cde_element_op,
                                     block_m_id,
                                     block_n_id,
                                     num_k_block_per_scale,
                                     a_scale_struct,
                                     b_scale_struct,
                                     epilogue_args,
                                     k_idx,
                                     k_idx,
                                     karg.KBatch);
     }
  
     // Run method for convolution (grid descriptors are passed as arguments,
     // not generated internally)
     template <typename AGridDesc_AK0_M_K1,
               typename BGridDesc_BK0_N_K1,
               typename CGridDesc_MBlock_MPerBlock_NBlock_NPerBlock,
               typename ComputePtrOffsetOfBatch,
               index_t NumGroupsToMerge,
               bool HasMainKBlockLoop,
               InMemoryDataOperationEnum CGlobalMemoryDataOperation,
               TailNumber TailNum,
               typename EpilogueArgument>
     __device__ static void Run(void* p_shared,
                                const AGridDesc_AK0_M_K1 a_grid_desc_ak0_m_ak1,
                                const BGridDesc_BK0_N_K1 b_grid_desc_bk0_n_bk1,
                                const CGridDesc_MBlock_MPerBlock_NBlock_NPerBlock
                                    c_grid_desc_mblock_mperblock_nblock_nperblock,
                                const ComputePtrOffsetOfBatch compute_ptr_offset_of_batch,
                                const index_t num_k_per_block,
                                Argument& karg,
                                EpilogueArgument& epilogue_args)
     {
         const index_t g_idx = __builtin_amdgcn_readfirstlane(blockIdx.z * NumGroupsToMerge);
         const index_t k_idx = __builtin_amdgcn_readfirstlane(blockIdx.y * num_k_per_block);
  
         const long_index_t a_batch_offset =
             amd_wave_read_first_lane(compute_ptr_offset_of_batch.GetAPtrOffset(g_idx));
         const long_index_t b_batch_offset =
             amd_wave_read_first_lane(compute_ptr_offset_of_batch.GetBPtrOffset(g_idx));
         const long_index_t e_batch_offset =
             amd_wave_read_first_lane(compute_ptr_offset_of_batch.GetEPtrOffset(g_idx));
  
         AsGridPointer p_as_grid_;
         static_for<0, NumATensor, 1>{}([&](auto i) {
             using ADataType_ = remove_cvref_t<tuple_element_t<i.value, AsDataType>>;
             p_as_grid_(i)    = static_cast<const ADataType_*>(karg.p_as_grid[i]) + a_batch_offset;
         });
  
         BsGridPointer p_bs_grid_;
         static_for<0, NumBTensor, 1>{}([&](auto i) {
             using BDataType_ = remove_cvref_t<tuple_element_t<i.value, BsDataType>>;
             p_bs_grid_(i)    = static_cast<const BDataType_*>(karg.p_bs_grid[i]) + b_batch_offset;
         });
  
         const auto ds_grid_desc_m_n =
             MakeDsGridDescriptor_M_N(karg.M, karg.MPadded, karg.N, karg.NPadded, karg.StrideDs);
  
         const auto ds_grid_desc_mblock_mperblock_nblock_nperblock =
             MakeDsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock(
                 ds_grid_desc_m_n, karg.MBlock, karg.NBlock);
  
         const auto as_grid_desc_ak0_m_ak1 = generate_tuple(
             [&](auto i) {
                 ignore = i;
                 return a_grid_desc_ak0_m_ak1;
             },
             Number<NumATensor>{});
  
         const auto bs_grid_desc_bk0_n_bk1 = generate_tuple(
             [&](auto i) {
                 ignore = i;
                 return b_grid_desc_bk0_n_bk1;
             },
             Number<NumBTensor>{});
  
         // divide block work by [M, N]
         const auto block_2_ctile_map = Block2CTileMap{karg.M, karg.N, 4};
  
         const auto block_work_idx =
             block_2_ctile_map.CalculateBottomIndex(make_multi_index(get_block_1d_id()));
  
         if(!block_2_ctile_map.ValidCTileIndex(
                block_work_idx,
                make_tuple(c_grid_desc_mblock_mperblock_nblock_nperblock.GetLength(I0),
                           c_grid_desc_mblock_mperblock_nblock_nperblock.GetLength(I2))))
         {
             return;
         }
  
         const index_t block_m_id = __builtin_amdgcn_readfirstlane(block_work_idx[I0]);
         const index_t block_n_id = __builtin_amdgcn_readfirstlane(block_work_idx[I1]);
  
         // Scale structs (Empty)
         using Scale         = typename BlockwiseGemmPipe::Empty;
         auto b_scale_struct = Scale{};
         auto a_scale_struct = Scale{};
  
         const index_t num_k_block_per_scale = GetKBlockPerScale();
  
         Base::template Run<decltype(as_grid_desc_ak0_m_ak1),
                            decltype(bs_grid_desc_bk0_n_bk1),
                            decltype(ds_grid_desc_mblock_mperblock_nblock_nperblock),
                            decltype(c_grid_desc_mblock_mperblock_nblock_nperblock),
                            decltype(a_scale_struct),
                            decltype(b_scale_struct),
                            decltype(epilogue_args),
                            HasMainKBlockLoop,
                            CGlobalMemoryDataOperation,
                            TailNum>(p_as_grid_,
                                     p_bs_grid_,
                                     karg.p_ds_grid,
                                     karg.p_e_grid + e_batch_offset,
                                     p_shared,
                                     as_grid_desc_ak0_m_ak1,
                                     bs_grid_desc_bk0_n_bk1,
                                     ds_grid_desc_mblock_mperblock_nblock_nperblock,
                                     c_grid_desc_mblock_mperblock_nblock_nperblock,
                                     karg.a_element_op,
                                     karg.b_element_op,
                                     karg.cde_element_op,
                                     block_m_id,
                                     block_n_id,
                                     num_k_block_per_scale,
                                     a_scale_struct,
                                     b_scale_struct,
                                     epilogue_args,
                                     k_idx,
                                     k_idx,
                                     karg.KBatch);
     }
  
     // Run method for convolution fwd (grid descriptors are passed as arguments,
     // not generated internally)
     template <typename AGridDesc_AK0_M_K1,
               typename BGridDesc_BK0_N_K1,
               typename DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock,
               typename EGridDesc_MBlock_MPerBlock_NBlock_NPerBlock,
               typename ComputePtrOffsetOfBatch,
               typename ComputePtrOffsetOfN,
               bool HasMainKBlockLoop,
               InMemoryDataOperationEnum EGlobalMemoryDataOperation,
               TailNumber TailNum,
               typename EpilogueArgument>
     __device__ static void Run(void* p_shared,
                                const AGridDesc_AK0_M_K1& a_grid_desc_ak0_m_ak1,
                                const BGridDesc_BK0_N_K1& b_grid_desc_bk0_n_bk1,
                                const DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock&
                                    ds_grid_desc_mblock_mperblock_nblock_nperblock,
                                const EGridDesc_MBlock_MPerBlock_NBlock_NPerBlock&
                                    e_grid_desc_mblock_mperblock_nblock_nperblock,
                                const ComputePtrOffsetOfBatch& compute_ptr_offset_of_batch,
                                const ComputePtrOffsetOfN& compute_ptr_offset_of_n,
                                [[maybe_unused]] const index_t num_k_per_block,
                                Argument& karg,
                                EpilogueArgument& epilogue_args)
     {
         const index_t g_idx = __builtin_amdgcn_readfirstlane(blockIdx.y);
         const index_t n_idx = __builtin_amdgcn_readfirstlane(blockIdx.z / karg.KBatch);
         // offset base pointer for each work-group
         const long_index_t a_batch_offset =
             amd_wave_read_first_lane(compute_ptr_offset_of_batch.GetAPtrOffset(g_idx));
         const long_index_t b_batch_offset =
             amd_wave_read_first_lane(compute_ptr_offset_of_batch.GetBPtrOffset(g_idx));
         const long_index_t e_batch_offset =
             amd_wave_read_first_lane(compute_ptr_offset_of_batch.GetEPtrOffset(g_idx));
  
         const auto ds_batch_offset = compute_ptr_offset_of_batch.GetDsPtrOffset(g_idx);
  
         const long_index_t a_n_offset =
             amd_wave_read_first_lane(compute_ptr_offset_of_n.GetAPtrOffset(n_idx));
         const long_index_t b_n_offset =
             amd_wave_read_first_lane(compute_ptr_offset_of_n.GetBPtrOffset(n_idx));
         const long_index_t e_n_offset =
             amd_wave_read_first_lane(compute_ptr_offset_of_n.GetEPtrOffset(n_idx));
  
         const auto ds_n_offset = compute_ptr_offset_of_n.GetDsPtrOffset(n_idx);
  
         AsGridPointer p_as_grid_;
         static_for<0, NumATensor, 1>{}([&](auto i) {
             using ADataType_ = remove_cvref_t<tuple_element_t<i.value, AsDataType>>;
             p_as_grid_(i) =
                 static_cast<const ADataType_*>(karg.p_as_grid[i]) + a_batch_offset + a_n_offset;
         });
  
         BsGridPointer p_bs_grid_;
         static_for<0, NumBTensor, 1>{}([&](auto i) {
             using BDataType_ = remove_cvref_t<tuple_element_t<i.value, BsDataType>>;
             p_bs_grid_(i) =
                 static_cast<const BDataType_*>(karg.p_bs_grid[i]) + b_batch_offset + b_n_offset;
         });
  
         DsGridPointer p_ds_grid_grp;
         static_for<0, NumDTensor, 1>{}([&](auto i) {
             using DDataType_ = remove_cvref_t<tuple_element_t<i.value, DsDataType>>;
             p_ds_grid_grp(i) = static_cast<const DDataType_*>(karg.p_ds_grid[i]) +
                                ds_batch_offset[i] + ds_n_offset[i];
         });
  
         // Currently supporting one A and one B
         const auto as_grid_desc_ak0_m_ak1 = generate_tuple(
             [&](auto i) {
                 ignore = i;
                 return a_grid_desc_ak0_m_ak1;
             },
             Number<NumATensor>{});
  
         const auto bs_grid_desc_bk0_n_bk1 = generate_tuple(
             [&](auto i) {
                 ignore = i;
                 return b_grid_desc_bk0_n_bk1;
             },
             Number<NumBTensor>{});
  
         // divide block work by [M, N]
         const auto block_2_ctile_map = Block2CTileMap{karg.M, karg.N, 4};
  
         const auto block_work_idx =
             block_2_ctile_map.CalculateBottomIndex(make_multi_index(get_block_1d_id()));
  
         if(!block_2_ctile_map.ValidCTileIndex(
                block_work_idx,
                make_tuple(e_grid_desc_mblock_mperblock_nblock_nperblock.GetLength(I0),
                           e_grid_desc_mblock_mperblock_nblock_nperblock.GetLength(I2))))
         {
             return;
         }
  
         const index_t block_m_id = __builtin_amdgcn_readfirstlane(block_work_idx[I0]);
         const index_t block_n_id = __builtin_amdgcn_readfirstlane(block_work_idx[I1]);
  
         // AScale struct (Empty)
         using AScale        = typename BlockwiseGemmPipe::Empty;
         auto a_scale_struct = AScale{};
  
         // BScale struct (Empty)
         using BScale        = typename BlockwiseGemmPipe::Empty;
         auto b_scale_struct = BScale{};
  
         const index_t num_k_block_per_scale = GetKBlockPerScale();
  
         Base::template Run<decltype(as_grid_desc_ak0_m_ak1),
                            decltype(bs_grid_desc_bk0_n_bk1),
                            decltype(ds_grid_desc_mblock_mperblock_nblock_nperblock),
                            decltype(e_grid_desc_mblock_mperblock_nblock_nperblock),
                            decltype(a_scale_struct),
                            decltype(b_scale_struct),
                            decltype(epilogue_args),
                            HasMainKBlockLoop,
                            EGlobalMemoryDataOperation,
                            TailNum>(p_as_grid_,
                                     p_bs_grid_,
                                     p_ds_grid_grp,
                                     karg.p_e_grid + e_batch_offset + e_n_offset,
                                     p_shared,
                                     as_grid_desc_ak0_m_ak1,
                                     bs_grid_desc_bk0_n_bk1,
                                     ds_grid_desc_mblock_mperblock_nblock_nperblock,
                                     e_grid_desc_mblock_mperblock_nblock_nperblock,
                                     karg.a_element_op,
                                     karg.b_element_op,
                                     karg.cde_element_op,
                                     block_m_id,
                                     block_n_id,
                                     num_k_block_per_scale,
                                     a_scale_struct,
                                     b_scale_struct,
                                     epilogue_args);
     }
 };
  
 } // namespace ck