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https://github.com/NVIDIA/TensorRT-LLM.git
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548b5b7310
* blossom-ci.yml: run vulnerability scan on blossom * open source efb18c1256f8c9c3d47b7d0c740b83e5d5ebe0ec --------- Co-authored-by: niukuo <6831097+niukuo@users.noreply.github.com> Co-authored-by: pei0033 <59505847+pei0033@users.noreply.github.com> Co-authored-by: Kyungmin Lee <30465912+lkm2835@users.noreply.github.com> Co-authored-by: Kaiyu Xie <26294424+kaiyux@users.noreply.github.com>
69 lines
2.9 KiB
C++
69 lines
2.9 KiB
C++
/*
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* Copyright (c) 2019-2024, 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 "tensorrt_llm/layers/baseLayer.h"
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#include "tensorrt_llm/layers/decodingParams.h"
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#include "tensorrt_llm/runtime/common.h"
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namespace tensorrt_llm::layers
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{
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template <typename T>
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class BeamSearchLayer : public BaseLayer
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{
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using Base = BaseLayer;
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public:
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BeamSearchLayer(DecoderDomain const& decoderDomain, std::shared_ptr<runtime::BufferManager> bufferManager);
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// Functions called after runtime data atrrives
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[[nodiscard]] size_t getWorkspaceSize() const noexcept override;
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// Functions called after runtime data atrrives
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void setup(runtime::SizeType32 const batchSize, runtime::SizeType32 const beamWidth, TensorConstPtr batchSlots,
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std::shared_ptr<BaseSetupParams> const& setupParams,
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std::shared_ptr<runtime::DecodingLayerWorkspace> const& workspace) override;
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void forwardAsync(std::shared_ptr<BaseDecodingOutputs> const& outputs,
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std::shared_ptr<BaseDecodingInputs> const& inputs,
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std::shared_ptr<runtime::DecodingLayerWorkspace> const& workspace) override;
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private:
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// Functions called before runtime data atrrives
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void allocateBuffer();
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void configureBeamSearchLayer();
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private:
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using Base::mDecoderDomain;
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size_t mByteMaxSharedMemoryPerBlock{0}; // Device information
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size_t mByteSharedMemoryStage1{0}; // Max dynamic shashared memoryn stage 1 kernel, useless in V2
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size_t mByteSharedMemoryStage3{0}; // Max static shared memory in stage 3 kernel
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size_t mVPart{0}; // Count of parts the beamed-logProbs will be divided into, useless in V2
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size_t mWorkspaceSize{0}; // Total workspace size for Beam Search kernels
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bool mV2{false}; // Whether to use V2 Beam Search kernels
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TensorPtr mBeamSearchDiversityRateDevice; // [batchSize], in device memory.
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TensorPtr mLengthPenaltyDevice; // [batchSize], in device memory.
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TensorPtr mEarlyStoppingDevice; // [batchSize], in device memory.
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TensorPtr mBeamSearchDiversityRateHost; // [batchSize], in pinned host memory.
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TensorPtr mLengthPenaltyHost; // [batchSize], in pinned host memory.
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TensorPtr mEarlyStoppingHost; // [batchSize], in pinned host memory.
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};
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} // namespace tensorrt_llm::layers
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