TensorRT-LLMs/cpp/tensorrt_llm/layers/beamSearchLayer.h
Kaiyu Xie bca9a33b02
Update TensorRT-LLM (#2008)
* Update TensorRT-LLM

---------

Co-authored-by: Timur Abishev <abishev.timur@gmail.com>
Co-authored-by: MahmoudAshraf97 <hassouna97.ma@gmail.com>
Co-authored-by: Saeyoon Oh <saeyoon.oh@furiosa.ai>
Co-authored-by: hattizai <hattizai@gmail.com>
2024-07-23 23:05:09 +08:00

64 lines
2.2 KiB
C++

/*
* Copyright (c) 2019-2024, 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 "tensorrt_llm/layers/baseLayer.h"
#include "tensorrt_llm/layers/decodingParams.h"
#include "tensorrt_llm/runtime/common.h"
#include "tensorrt_llm/runtime/decodingOutput.h"
#include <optional>
#include <utility>
namespace tc = tensorrt_llm::common;
namespace tensorrt_llm::layers
{
template <typename T>
class BeamSearchLayer : public BaseLayer
{
using Base = BaseLayer;
public:
BeamSearchLayer(DecoderDomain const& decoderDomain, std::shared_ptr<runtime::BufferManager> bufferManager);
void setup(runtime::SizeType32 const batchSize, runtime::SizeType32 const beamWidth, BufferConstPtr batchSlots,
std::shared_ptr<BaseSetupParams> const& setupParams) override;
void forwardAsync(std::shared_ptr<BaseDecodingOutputs> const& outputs,
std::shared_ptr<BaseDecodingInputs> const& inputs) override;
[[nodiscard]] size_t getWorkspaceSize() const noexcept override;
private:
void allocateBuffer(runtime::SizeType32 batchSize, runtime::SizeType32 beamWidth);
private:
using Base::mDecoderDomain;
BufferPtr mWorkspace;
TensorPtr mDiversityRateDevice; //<! [batchSize] shaped, in device memory.
TensorPtr mLengthPenaltyDevice; //<! [batchSize] shaped, in device memory.
TensorPtr mEarlyStoppingDevice; //<! [batchSize] shaped, in device memory.
TensorPtr mDiversityRateHost; //<! [batchSize] shaped, in pinned host memory.
TensorPtr mLengthPenaltyHost; //<! [batchSize] shaped, in pinned host memory.
TensorPtr mEarlyStoppingHost; //<! [batchSize] shaped, in pinned host memory.
};
} // namespace tensorrt_llm::layers