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composable_kernel/example/ck_tile/40_streamk_gemm/gemm_utils.hpp
Cong Ma 5abe4109e0 Introduces the new partitioner to implement the reduction StreamK kernel. (#3107)
* Introduces the new partitioner to implement the reduction StreamK kernel

* Add more doc text to functions

* Add persistent-dp option to streamk example

* Update example/ck_tile/40_streamk_gemm/README.md
2025-11-04 10:32:17 -07:00

119 lines
3.9 KiB
C++

// Copyright © Advanced Micro Devices, Inc., or its affiliates.
// SPDX-License-Identifier: MIT
#pragma once
#include "ck_tile/core.hpp"
#include "ck_tile/host/kernel_launch.hpp"
#include "ck_tile/ops/epilogue.hpp"
#include "ck_tile/ops/gemm.hpp"
struct GemmConfigBase
{
static constexpr bool kPadM = true;
static constexpr bool kPadN = true;
static constexpr bool kPadK = true;
static constexpr bool PermuteA = false;
static constexpr bool PermuteB = false;
static constexpr bool TransposeC = false;
static constexpr bool UseStructuredSparsity = false;
static constexpr int kBlockPerCu = 1;
static constexpr auto Scheduler = ck_tile::GemmPipelineScheduler::Intrawave;
static constexpr ck_tile::index_t NumWaveGroups = 1;
static constexpr bool Preshuffle = false;
static constexpr bool DoubleSmemBuffer = false;
};
template <typename PrecType, bool Persistent_>
struct GemmConfigMemoryInterwave : public GemmConfigBase
{
static constexpr ck_tile::index_t M_Tile = 256;
static constexpr ck_tile::index_t N_Tile = 256;
static constexpr ck_tile::index_t K_Tile = 16;
static constexpr ck_tile::index_t M_Warp = 2;
static constexpr ck_tile::index_t N_Warp = 2;
static constexpr ck_tile::index_t K_Warp = 1;
static constexpr ck_tile::index_t M_Warp_Tile = 32;
static constexpr ck_tile::index_t N_Warp_Tile = 32;
static constexpr ck_tile::index_t K_Warp_Tile = sizeof(PrecType) == 2 ? 8 : 16;
static constexpr bool Persistent = Persistent_;
static constexpr auto Scheduler = ck_tile::GemmPipelineScheduler::Intrawave;
};
template <typename ADataType_, typename BDataType_ = ADataType_, typename CDataType_ = ADataType_>
struct StreamKGemmTypeConfig
{
using ADataType = ADataType_;
using BDataType = BDataType_;
using AccDataType = float;
using CDataType = CDataType_;
};
template <typename T>
struct DataTypeTraits;
template <>
struct DataTypeTraits<float>
{
static constexpr const char* name = "fp32";
};
template <>
struct DataTypeTraits<ck_tile::half_t>
{
static constexpr const char* name = "fp16";
};
template <>
struct DataTypeTraits<ck_tile::bf16_t>
{
static constexpr const char* name = "bf16";
};
template <>
struct DataTypeTraits<ck_tile::fp8_t>
{
static constexpr const char* name = "fp8";
};
template <>
struct DataTypeTraits<ck_tile::bf8_t>
{
static constexpr const char* name = "bf8";
};
auto create_args(int argc, char* argv[])
{
ck_tile::ArgParser arg_parser;
arg_parser.insert("m", "512", "m dimension")
.insert("n", "512", "n dimension")
.insert("k", "512", "k dimension")
.insert("a_layout", "R", "A tensor data layout - Row by default")
.insert("b_layout", "C", "B tensor data layout - Column by default")
.insert("c_layout", "R", "C tensor data layout - Row by default")
.insert("reduction_strategy",
"atomic",
"strategy for storing results in C tensor - atomic/reduction")
.insert("persistent_dp",
"0",
"0. Non-persistent data-parallel section, 1 Fully persistent kernel.")
.insert("stride_a", "0", "Tensor A stride")
.insert("stride_b", "0", "Tensor B stride")
.insert("stride_c", "0", "Tensor C stride")
.insert("v", "2", "0. No validation, 1. Validation on CPU, 2. Validation on GPU")
.insert("prec", "fp16", "data type. fp16/bf16/fp8/bf8")
.insert("warmup", "50", "number of iterations before benchmarking the kernel")
.insert("repeat", "100", "number of iterations to benchmark the kernel")
.insert("timer", "gpu", "gpu:gpu timer, cpu:cpu timer")
.insert("init", "0", "0:random, 1:linear, 2:constant(1)")
.insert("flush_cache", "true", "flush cache before running the kernel, defaults to true");
bool result = arg_parser.parse(argc, argv);
return std::make_tuple(result, arg_parser);
}