mirror of
https://github.com/NVIDIA/TensorRT-LLM.git
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91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
/*
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* Copyright (c) 2022-2024, NVIDIA CORPORATION. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <map>
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#include "tensorrt_llm/common/cudaUtils.h"
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#include "tensorrt_llm/common/envUtils.h"
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#define DEBUG_PIPELINE 0
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namespace tensorrt_llm::kernels
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{
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namespace moe_prepare
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{
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#define UNIT_PER_PIPELINE 128
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#define PIPELINE_PER_CTA 4
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#define CUMSUM_THREADS_PER_BLOCK 128
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static constexpr int THREADS_PER_PIPELINE = UNIT_PER_PIPELINE;
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#ifdef __CUDACC__
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#define ALIGN_256 __align__(256)
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#else
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#define ALIGN_256 alignas(256)
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#endif
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struct ALIGN_256 MoeCommFifoConnInfo
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{
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volatile uint64_t head; // write position
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volatile uint64_t tail; // read position
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int volatile values[512]; // for values
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};
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struct MoeCommWorkspace
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{
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uint64_t* workspacePtr;
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size_t rankStrideInU64;
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#ifdef __CUDACC__
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__inline__ __device__ MoeCommFifoConnInfo* getFifoConnInfo(
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bool isSender, int epRank, int peerRank, int channel, int epSize, int channelCount) const
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{
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// fifoInfo is in sender's side.
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uint64_t* fifoInfoPtrU64 = workspacePtr;
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int strideIndice = isSender ? epRank : peerRank;
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int fifoInfoIndice = isSender ? peerRank : epRank;
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fifoInfoPtrU64 += strideIndice * rankStrideInU64;
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MoeCommFifoConnInfo* fifoInfoPtr = (MoeCommFifoConnInfo*) fifoInfoPtrU64;
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MoeCommFifoConnInfo* result = fifoInfoPtr + fifoInfoIndice * channelCount + channel;
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return result;
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}
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#endif
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};
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void computeCountAndIndice(int* experts, int* sendCounts, int* recvCounts, int* sendIndiceWorkspace,
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int* backwardIndiceWorkspace, int* recvIndiceWorkspace, int* expertStatics, int* gatheredExpertStatics,
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MoeCommWorkspace workspace, int tokenCount, int maxTokenCountPerRank, int topK, int slotCount, int expertCount,
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int rankId, int rankCount, cudaStream_t stream);
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void computeCumsum(int* sendCountsCumsum, int* recvCountsCumsum, int rankId, int rankCount, cudaStream_t stream);
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void moveIndice(int* sendCountsCumsum, int* recvCountsCumsum, int* sendIndice, int* gatherSendIndice,
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int* backwardIndice, int* gatherBackwardIndice, int* recvIndice, int* gatherRecvIndice, int rankId, int rankCount,
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int maxTokenCountPerRank, cudaStream_t stream);
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void memsetExpertIds(int* expertIds, int* recvCountsCumsum, int maxTokenCountPerRank, int topK, int invalidExpertId,
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int epSize, cudaStream_t stream);
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size_t getMoePrepareWorkspaceSize(int epSize);
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} // namespace moe_prepare
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} // namespace tensorrt_llm::kernels
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