TheRock/rocm-libraries/projects/composablekernel/example/01_gemm/gemm_wmma_bf16.cpp

// Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
// SPDX-License-Identifier: MIT

#include "common.hpp"

#include "ck/tensor_operation/gpu/device/impl/device_gemm_wmma.hpp"

using ADataType        = ck::bhalf_t;
using BDataType        = ck::bhalf_t;
using AccDataType      = float;
using CShuffleDataType = float;
using CDataType        = ck::bhalf_t;

using ALayout = Row;
using BLayout = Col;
using CLayout = Row;

using AElementOp = PassThrough;
using BElementOp = PassThrough;
using CElementOp = PassThrough;

static constexpr auto GemmDefault = ck::tensor_operation::device::GemmSpecialization::MNKPadding;

// clang-format off
using DeviceGemmInstance = ck::tensor_operation::device::DeviceGemmWmma_CShuffle
         < ALayout,
           BLayout,
           CLayout,
           ADataType,
           BDataType,
           CDataType,
           AccDataType,
           CShuffleDataType,
           AElementOp,
           BElementOp,
           CElementOp,
           GemmDefault,
           1,           // Prefetch stage
           128,         // BlockSize
           64,          // MPerBlock
           128,         // NPerBlock
           64,          // KPerBlock
           2,           // K1
           16,          // MPerWmma
           16,          // NPerWmma
           2,           // M-Repeat // M-PerWmma / M-Repeat = M-Wave
           4,           // N-Repeat // N-PerWmma / N-Repeat = N-Wave
           S<4, 32, 1>,
           S<1, 0, 2>,
           S<1, 0, 2>,
           2,
           2,
           2,
           true,
           S<4, 32, 1>,
           S<1, 0, 2>,
           S<1, 0, 2>,
           2,
           2,
           2,
           true,
           1,           // C shuffle (M Repeat) Per store
           1,           // C shuffle (N Repeat) Per store
           S<1, 32, 1,  4>,
           8>;
// clang-format on

using ReferenceGemmInstance = ck::tensor_operation::host::
    ReferenceGemm<ADataType, BDataType, CDataType, AccDataType, AElementOp, BElementOp, CElementOp>;

using ReferenceGemmInstanceGPU = ck::tensor_operation::device::ReferenceGemm<ALayout,
                                                                             BLayout,
                                                                             CLayout,
                                                                             ADataType,
                                                                             BDataType,
                                                                             CDataType,
                                                                             AccDataType,
                                                                             AElementOp,
                                                                             BElementOp,
                                                                             CElementOp>;

#include "run_gemm_example.inc"

int main(int argc, char* argv[]) { return !run_gemm_example(argc, argv); }