TensorRT-LLMs/cpp/include/tensorrt_llm/batch_manager/guidedDecoder.h
石晓伟 548b5b7310
Update TensorRT-LLM (#2532)
* 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>
2024-12-04 21:16:56 +08:00

68 lines
2.6 KiB
C++

/*
* Copyright (c) 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/batch_manager/common.h"
#include "tensorrt_llm/executor/executor.h"
#include "tensorrt_llm/runtime/bufferManager.h"
#include "tensorrt_llm/runtime/iTensor.h"
namespace xgrammar
{
class GrammarMatcher;
class GrammarCompiler;
} // namespace xgrammar
namespace tensorrt_llm::batch_manager
{
class GuidedDecoder
{
public:
using TensorPtr = runtime::ITensor::SharedPtr;
using SizeType32 = tensorrt_llm::runtime::SizeType32;
using BitmaskT = uint32_t;
GuidedDecoder(executor::GuidedDecodingConfig const& guidedDecodingConfig, SizeType32 maxNumSequences,
SizeType32 vocabSizePadded, nvinfer1::DataType logitsDtype, runtime::BufferManager const& runtimeBufferManager);
void build(ScheduledRequests const& scheduledRequests);
void execute(ScheduledRequests const& scheduledRequests, runtime::BufferManager const& runtimeBufferManager,
std::vector<TensorPtr> const& decoderBuffersLogits);
private:
executor::GuidedDecodingConfig::GuidedDecodingBackend mGuidedDecodingBackend;
std::vector<std::shared_ptr<xgrammar::GrammarMatcher>> mXGrammarMatchers;
std::shared_ptr<xgrammar::GrammarCompiler> mXGrammarCompiler;
SizeType32 mMaxNumSequences;
SizeType32 mVocabSizePadded;
SizeType32 mBitmaskSize; // CeilDiv(vocabSizePadded, 32)
nvinfer1::DataType mLogitsDtype;
TensorPtr mLogitsBitmask; // [mMaxNumRequests, mBitmaskSize]
TensorPtr mLogitsBitmaskHost; // [mMaxNumRequests, mBitmaskSize]
TensorPtr mLogitsBitmaskPtrVec; // [mMaxNumRequests], pointers to the logitsBitmask in a batch
TensorPtr mLogitsBitmaskPtrVecHost; // [mMaxNumRequests]
TensorPtr mLogitsPtrVec; // [mMaxNumRequests], pointers to the logits in a batch
TensorPtr mLogitsPtrVecHost; // [mMaxNumRequests]
// BufferManager with a dedicated stream for async copy of buffers for guided decoding.
runtime::BufferManager mCopyBufferManager;
};
} // namespace tensorrt_llm::batch_manager