sglang_v0.5.2/flashinfer_0.3.1/include/flashinfer/trtllm/fused_moe/DevKernel.h

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/*
* Copyright (c) 2022-2024, NVIDIA CORPORATION. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <cuda.h>
#include <iostream>
#include <string>
#include "flashinfer/trtllm/batched_gemm/trtllmGen_bmm_export/trtllm/gen/DtypeDecl.h"
#include "flashinfer/trtllm/batched_gemm/trtllmGen_bmm_export/trtllm/gen/SfLayoutDecl.h"
// #include <cuda_runtime_api.h>
#include <c10/util/Exception.h>
#include <cutlass/cutlass.h>
#include <cutlass/numeric_size.h>
#include <cutlass/numeric_types.h>
// #include <tensorrt_llm/common/assert.h>
#include "flashinfer/trtllm/common/cudaUtils.h"
namespace moe::dev {
#define CHECK_CUDA_ERROR(cmd) \
do { \
cudaError_t e = cmd; \
if (e != cudaSuccess) { \
std::cout << "CUDA error in " << __FILE__ << ":" << __LINE__ << " executing '" << #cmd \
<< "': " << cudaGetErrorString(e); \
} \
TORCH_CHECK(e == cudaSuccess, "Got CUDA error. See above for details."); \
} while (0)
////////////////////////////////////////////////////////////////////////////////////////////////////
#define LAUNCH_ESC(...) __VA_ARGS__
#define LAUNCH_PDL(data, coopLaunch, types, kernel, numBlocks, numThreads, smemSize, stream) \
cudaLaunchConfig_t config{}; \
config.gridDim = numBlocks; \
config.blockDim = numThreads; \
config.dynamicSmemBytes = smemSize; \
config.stream = (cudaStream_t)stream; \
\
cudaLaunchAttribute attributes[2] = {}; \
attributes[0].id = cudaLaunchAttributeProgrammaticStreamSerialization; \
attributes[0].val.programmaticStreamSerializationAllowed = int(data.mUsePdl); \
attributes[1].id = cudaLaunchAttributeCooperative; \
attributes[1].val.cooperative = int(coopLaunch); \
config.attrs = attributes; \
config.numAttrs = 2; \
if (data.mUsePdl) { \
auto params = KernelParams<types, true>::setKernelParams(data); \
auto kernelTyped = kernel<KernelParams<types, true>>; \
if (smemSize > 48 * 1024) \
CHECK_CUDA_ERROR(cudaFuncSetAttribute( \
kernelTyped, cudaFuncAttributeMaxDynamicSharedMemorySize, smemSize)); \
CHECK_CUDA_ERROR(cudaLaunchKernelEx(&config, kernelTyped, params)); \
} else { \
auto params = KernelParams<types, false>::setKernelParams(data); \
auto kernelTyped = kernel<KernelParams<types, false>>; \
if (smemSize > 48 * 1024) \
CHECK_CUDA_ERROR(cudaFuncSetAttribute( \
kernelTyped, cudaFuncAttributeMaxDynamicSharedMemorySize, smemSize)); \
CHECK_CUDA_ERROR(cudaLaunchKernelEx(&config, kernelTyped, params)); \
}
#define LAUNCH(data, kernel, numBlocks, numThreads, smemSize, stream) \
if (data.mDtypeElt == tg::Dtype::Fp16) { \
LAUNCH_PDL(data, false, cutlass::half_t, kernel, numBlocks, numThreads, smemSize, stream); \
} else if (data.mDtypeElt == tg::Dtype::E4m3) { \
LAUNCH_PDL(data, false, cutlass::float_e4m3_t, kernel, numBlocks, numThreads, smemSize, \
stream); \
} else if (data.mDtypeElt == tg::Dtype::Bfloat16) { \
LAUNCH_PDL(data, false, cutlass::bfloat16_t, kernel, numBlocks, numThreads, smemSize, stream); \
} else { \
TORCH_WARN("Unsupported dtypeElt"); \
}
#define LAUNCH_EXPW(data, kernel, numBlocks, numThreads, smemSize, stream) \
if (data.mDtypeElt == tg::Dtype::Fp16 && data.mDtypeExpW == tg::Dtype::Fp32) { \
LAUNCH_PDL(data, false, LAUNCH_ESC(cutlass::half_t, float), kernel, numBlocks, numThreads, \
smemSize, stream); \
} else if (data.mDtypeElt == tg::Dtype::E4m3 && data.mDtypeExpW == tg::Dtype::Fp32) { \
LAUNCH_PDL(data, false, LAUNCH_ESC(cutlass::float_e4m3_t, float), kernel, numBlocks, \
numThreads, smemSize, stream); \
} else if (data.mDtypeElt == tg::Dtype::Bfloat16 && data.mDtypeExpW == tg::Dtype::Fp32) { \
LAUNCH_PDL(data, false, LAUNCH_ESC(cutlass::bfloat16_t, float), kernel, numBlocks, numThreads, \
smemSize, stream); \
} else if (data.mDtypeElt == tg::Dtype::Fp16 && data.mDtypeExpW == tg::Dtype::Bfloat16) { \
LAUNCH_PDL(data, false, LAUNCH_ESC(cutlass::half_t, cutlass::bfloat16_t), kernel, numBlocks, \
numThreads, smemSize, stream); \
} else if (data.mDtypeElt == tg::Dtype::E4m3 && data.mDtypeExpW == tg::Dtype::Bfloat16) { \
LAUNCH_PDL(data, false, LAUNCH_ESC(cutlass::float_e4m3_t, cutlass::bfloat16_t), kernel, \
numBlocks, numThreads, smemSize, stream); \
} else if (data.mDtypeElt == tg::Dtype::Bfloat16 && data.mDtypeExpW == tg::Dtype::Bfloat16) { \
LAUNCH_PDL(data, false, LAUNCH_ESC(cutlass::bfloat16_t, cutlass::bfloat16_t), kernel, \
numBlocks, numThreads, smemSize, stream); \
} else { \
TORCH_WARN("Unsupported pair"); \
}
#define LAUNCH_ROUTING(data, coopLaunch, kernel, numBlocks, numThreads, smemSize, stream) \
if (data.mDtypeExpW == tg::Dtype::Fp32) { \
LAUNCH_PDL(data, coopLaunch, LAUNCH_ESC(float, float), kernel, numBlocks, numThreads, \
smemSize, stream); \
} else if (data.mDtypeExpW == tg::Dtype::Bfloat16) { \
LAUNCH_PDL(data, coopLaunch, LAUNCH_ESC(__nv_bfloat16, __nv_bfloat16), kernel, numBlocks, \
numThreads, smemSize, stream); \
} else { \
TORCH_WARN("Unsupported dtypeExpW"); \
}
#define LAUNCH_ROUTING_WITH_EXTRA_FLAG(data, coopLaunch, kernel, numBlocks, numThreads, smemSize, \
stream, extraFlag, forceFloatInput) \
if (data.mDtypeExpW == tg::Dtype::Fp32 && extraFlag) { \
LAUNCH_PDL(data, coopLaunch, LAUNCH_ESC(float, float, true), kernel, numBlocks, numThreads, \
smemSize, stream); \
} else if (data.mDtypeExpW == tg::Dtype::Fp32) { \
LAUNCH_PDL(data, coopLaunch, LAUNCH_ESC(float, float, false), kernel, numBlocks, numThreads, \
smemSize, stream); \
} else if (data.mDtypeExpW == tg::Dtype::Bfloat16 && extraFlag && forceFloatInput) { \
LAUNCH_PDL(data, coopLaunch, LAUNCH_ESC(float, __nv_bfloat16, true), kernel, numBlocks, \
numThreads, smemSize, stream); \
} else if (data.mDtypeExpW == tg::Dtype::Bfloat16 && extraFlag) { \
LAUNCH_PDL(data, coopLaunch, LAUNCH_ESC(__nv_bfloat16, __nv_bfloat16, true), kernel, \
numBlocks, numThreads, smemSize, stream); \
} else if (data.mDtypeExpW == tg::Dtype::Bfloat16 && forceFloatInput) { \
LAUNCH_PDL(data, coopLaunch, LAUNCH_ESC(float, __nv_bfloat16, false), kernel, numBlocks, \
numThreads, smemSize, stream); \
} else if (data.mDtypeExpW == tg::Dtype::Bfloat16) { \
LAUNCH_PDL(data, coopLaunch, LAUNCH_ESC(__nv_bfloat16, __nv_bfloat16, false), kernel, \
numBlocks, numThreads, smemSize, stream); \
} else { \
TORCH_WARN("Unsupported dtypeExpW"); \
}
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace activation {
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace tg = batchedGemm::trtllm::gen;
////////////////////////////////////////////////////////////////////////////////////////////////////
struct Data {
tg::Dtype mDtypeElt{tg::Dtype::Fp16};
bool mUsePdl{false};
bool mUseDeepSeekFp8{false};
void* inPtr;
void* outPtr;
float* inDqSfsPtr = nullptr;
float* outDqSfsPtr = nullptr;
int32_t innerDim;
int32_t numTokens;
int32_t topK;
int32_t* expandedIdxToPermutedIdx;
int32_t const* totalNumPaddedTokens;
};
template <typename Type_, bool UsePdl_>
struct KernelParams {
using Type = Type_;
static constexpr bool UsePdl = UsePdl_;
Type const* inPtr;
Type* outPtr;
float* inDqSfsPtr = nullptr;
float* outDqSfsPtr = nullptr;
int32_t innerDim;
int32_t numTokens;
int32_t topK;
int32_t* expandedIdxToPermutedIdx;
int32_t const* totalNumPaddedTokens;
static KernelParams setKernelParams(Data const& data) {
KernelParams params;
params.inPtr = (Type*)data.inPtr;
params.outPtr = (Type*)data.outPtr;
params.inDqSfsPtr = data.inDqSfsPtr;
params.outDqSfsPtr = data.outDqSfsPtr;
params.expandedIdxToPermutedIdx = data.expandedIdxToPermutedIdx;
params.innerDim = data.innerDim;
params.numTokens = data.numTokens;
params.topK = data.topK;
params.totalNumPaddedTokens = data.totalNumPaddedTokens;
return params;
}
};
void run(Data const& data, void* stream);
} // namespace activation
namespace convertsf {
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace tg = batchedGemm::trtllm::gen;
////////////////////////////////////////////////////////////////////////////////////////////////////
struct Data {
bool mUsePdl{false};
void* inSfPtr = nullptr;
void* outSfPtr = nullptr;
int32_t hiddenDimSf;
int32_t numTokens;
tg::SfLayout sfLayoutSrc;
tg::SfLayout sfLayoutDst;
};
template <typename Type_, bool UsePdl_>
struct KernelParams {
using Type = Type_;
static constexpr bool UsePdl = UsePdl_;
void const* inSfPtr = nullptr;
void* outSfPtr = nullptr;
int32_t hiddenDimSf;
int32_t numTokens;
tg::SfLayout sfLayoutSrc;
tg::SfLayout sfLayoutDst;
static KernelParams setKernelParams(Data const& data) {
KernelParams params;
params.inSfPtr = data.inSfPtr;
params.outSfPtr = data.outSfPtr;
params.hiddenDimSf = data.hiddenDimSf;
params.numTokens = data.numTokens;
params.sfLayoutSrc = data.sfLayoutSrc;
params.sfLayoutDst = data.sfLayoutDst;
return params;
}
};
void run(Data const& data, void* stream);
////////////////////////////////////////////////////////////////////////////////////////////////////
} // namespace convertsf
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace permute {
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace tg = batchedGemm::trtllm::gen;
////////////////////////////////////////////////////////////////////////////////////////////////////
struct Data {
tg::Dtype mDtypeElt{tg::Dtype::Fp16};
bool mUsePdl{false};
bool mUseDeepSeekFp8{false};
void* inPtr;
void* outPtr;
float* inDqSfsPtr = nullptr;
float* outDqSfsPtr = nullptr;
int32_t* expandedIdxToPermutedIdx;
int32_t hiddenDim;
int32_t numTokens;
int32_t topK;
int32_t const* totalNumPaddedTokens;
};
template <typename Type_, bool UsePdl_>
struct KernelParams {
using Type = Type_;
static constexpr bool UsePdl = UsePdl_;
Type const* inPtr;
Type* outPtr;
float const* inDqSfsPtr;
float* outDqSfsPtr;
int32_t* expandedIdxToPermutedIdx;
int32_t hiddenDim;
int32_t numTokens;
int32_t topK;
int32_t const* totalNumPaddedTokens;
bool useDeepSeekFp8;
static KernelParams setKernelParams(Data const& data) {
KernelParams params;
params.inPtr = (Type*)data.inPtr;
params.outPtr = (Type*)data.outPtr;
params.inDqSfsPtr = data.inDqSfsPtr;
params.outDqSfsPtr = data.outDqSfsPtr;
params.expandedIdxToPermutedIdx = data.expandedIdxToPermutedIdx;
params.hiddenDim = data.hiddenDim;
params.numTokens = data.numTokens;
params.topK = data.topK;
params.totalNumPaddedTokens = data.totalNumPaddedTokens;
params.useDeepSeekFp8 = data.mUseDeepSeekFp8;
return params;
}
};
void run(Data const& data, void* stream);
////////////////////////////////////////////////////////////////////////////////////////////////////
} // namespace permute
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace finalize {
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace tg = batchedGemm::trtllm::gen;
////////////////////////////////////////////////////////////////////////////////////////////////////
struct Data {
tg::Dtype mDtypeElt{tg::Dtype::Fp16};
tg::Dtype mDtypeExpW{tg::Dtype::Bfloat16};
bool mUsePdl{false};
bool mUseDeepSeekFp8{false};
void* inPtr;
void* outPtr;
float* inDqSfsPtr = nullptr;
float* outDqSfsPtr = nullptr;
void* expertWeightsPtr;
int32_t* expandedIdxToPermutedIdx;
int32_t numTokens;
int32_t numExperts;
int32_t topK;
// Hidden dimension output of MoE block. It is not padded.
int32_t hiddenDim;
// Hidden dimension output of FC2. It might be padded.
int32_t hiddenDimPadded;
int32_t const* totalNumPaddedTokens;
};
template <typename Type_, typename TypeExpW_, bool UsePdl_>
struct KernelParams {
using Type = Type_;
using TypeExpW = TypeExpW_;
static constexpr bool UsePdl = UsePdl_;
Type const* inPtr;
TypeExpW const* expertWeightsPtr;
Type* outPtr;
float* inDqSfsPtr = nullptr;
float* outDqSfsPtr = nullptr;
int32_t* expandedIdxToPermutedIdx;
int32_t hiddenDim;
int32_t hiddenDimPadded;
int32_t numTokens;
int32_t numExperts;
int32_t topK;
int32_t const* totalNumPaddedTokens;
static KernelParams setKernelParams(Data const& data) {
KernelParams params;
params.inPtr = (Type*)data.inPtr;
params.expertWeightsPtr = (TypeExpW*)data.expertWeightsPtr;
params.outPtr = (Type*)data.outPtr;
params.inDqSfsPtr = data.inDqSfsPtr;
params.outDqSfsPtr = data.outDqSfsPtr;
params.expandedIdxToPermutedIdx = data.expandedIdxToPermutedIdx;
params.hiddenDim = data.hiddenDim;
params.hiddenDimPadded = data.hiddenDimPadded;
params.numTokens = data.numTokens;
params.numExperts = data.numExperts;
params.topK = data.topK;
params.totalNumPaddedTokens = data.totalNumPaddedTokens;
return params;
}
};
void run(Data const& data, void* stream);
////////////////////////////////////////////////////////////////////////////////////////////////////
} // namespace finalize
////////////////////////////////////////////////////////////////////////////////////////////////////
} // namespace moe::dev