TensorRT-LLMs/cpp/tensorrt_llm/layers/decodingLayer.h
Kaiyu Xie f430a4b447
Update TensorRT-LLM (#1688)
* Update TensorRT-LLM

---------

Co-authored-by: IbrahimAmin <ibrahimamin532@gmail.com>
Co-authored-by: Fabian Joswig <fjosw@users.noreply.github.com>
Co-authored-by: Pzzzzz <hello-cd.plus@hotmail.com>
Co-authored-by: CoderHam <hemant@cohere.com>
Co-authored-by: Konstantin Lopuhin <kostia.lopuhin@gmail.com>
2024-05-28 20:07:49 +08:00

77 lines
2.7 KiB
C++

/*
* Copyright (c) 2019-2024, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2021, NAVER Corp. Authored by CLOVA.
*
* 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 <curand_kernel.h>
#include "tensorrt_llm/common/tensor.h"
#include "tensorrt_llm/executor/types.h"
#include "tensorrt_llm/layers/baseLayer.h"
#include "tensorrt_llm/layers/beamSearchLayer.h"
#include "tensorrt_llm/layers/decodingParams.h"
#include "tensorrt_llm/layers/explicitDraftTokensLayer.h"
#include "tensorrt_llm/layers/medusaDecodingLayer.h"
#include "tensorrt_llm/layers/samplingLayer.h"
namespace tc = tensorrt_llm::common;
namespace tensorrt_llm
{
namespace layers
{
//! \brief Layer performs token decoding using sampling (beamWidth=1), beam search (beamWidth>1) or Medusa.
template <typename T>
class DecodingLayer : public BaseLayer
{
public:
DecodingLayer(executor::DecodingMode const& mode, DecoderDomain const& decoderDomain, cudaStream_t stream,
std::shared_ptr<tensorrt_llm::common::IAllocator> allocator);
~DecodingLayer() override = default;
void setup(runtime::SizeType32 batchSize, runtime::SizeType32 beamWidth, runtime::SizeType32 const* batchSlots,
std::shared_ptr<BaseSetupParams> setupParams) override;
//! \brief Calls single SamplingLayer::forwardAsync or MedusaDecodingLayer::forwardAsync in batched mode
//! or runs BeamSearchLayer::forwardAsync in the loop for each request.
//! Modifies outputs->logits in-place.
void forwardAsync(std::shared_ptr<BaseOutputParams> outputs, std::shared_ptr<BaseInputParams> inputs) override;
//! \brief Calls forwardSync of configired decoding layer.
void forwardSync(std::shared_ptr<BaseOutputParams> outputs, std::shared_ptr<BaseInputParams> inputs) override;
private:
std::tuple<std::shared_ptr<BaseOutputParams>, std::shared_ptr<BaseInputParams>> prepareParams(
std::shared_ptr<BaseOutputParams> outputs, std::shared_ptr<BaseInputParams> inputs) const;
private:
using BaseLayer::mWorkspaceSize;
using BaseLayer::mAllocatedSize;
using BaseLayer::mStream;
using BaseLayer::mAllocator;
executor::DecodingMode mDecodingMode;
std::unique_ptr<BaseLayer> mDecodingLayer;
};
} // namespace layers
} // namespace tensorrt_llm