mirror of
https://github.com/NVIDIA/TensorRT-LLM.git
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367 lines
19 KiB
C++
367 lines
19 KiB
C++
/*
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* Copyright (c) 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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#include "tensorrt_llm/runtime/eagleBuffers.h"
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#include "tensorrt_llm/common/assert.h"
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#include "tensorrt_llm/common/cudaUtils.h"
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#include "tensorrt_llm/kernels/speculativeDecoding/eagleDecodingKernels.h"
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#include "tensorrt_llm/kernels/speculativeDecoding/explicitDraftTokensKernels.h"
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#include "tensorrt_llm/runtime/common.h"
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#include "tensorrt_llm/runtime/iBuffer.h"
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namespace tksd = tensorrt_llm::kernels::speculative_decoding;
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namespace tensorrt_llm::runtime
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{
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void EagleBuffers::Inputs::create(SizeType32 maxNumSequences, TllmRuntime const& runtime,
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ModelConfig const& modelConfig, WorldConfig const& worldConfig)
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{
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auto const& manager = runtime.getBufferManager();
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auto const& speculativeDecodingModule = modelConfig.getSpeculativeDecodingModule();
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auto const maxNumPaths = speculativeDecodingModule.getMaxNumPaths();
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auto const maxDraftPathLen = speculativeDecodingModule.getMaxDraftPathLen();
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auto const maxPathLen = speculativeDecodingModule.getMaxPathLen();
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auto const maxDecodingTokens = speculativeDecodingModule.getMaxDecodingTokens();
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auto const maxDecodingDraftTokens = speculativeDecodingModule.getMaxDecodingDraftTokens();
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auto constexpr TRTTokenIdType = runtime::TRTDataType<runtime::TokenIdType>::value;
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temperatures = manager.gpu(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kFLOAT);
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randomDataSample = manager.gpu(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kFLOAT);
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randomDataValidation
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= manager.gpu(ITensor::makeShape({maxNumSequences, maxNumPaths, maxDraftPathLen}), nvinfer1::DataType::kFLOAT);
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draftTokens = manager.gpu(ITensor::makeShape({maxNumSequences, maxDecodingDraftTokens}), TRTTokenIdType);
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draftLens = manager.gpu(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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draftPaths
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= manager.gpu(ITensor::makeShape({maxNumSequences, maxNumPaths, maxPathLen}), nvinfer1::DataType::kINT32);
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specDecodingGenerationLengths = manager.gpu(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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specDecodingGenerationLengthsHost
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= manager.pinnedPool(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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specDecodingPackedMasks
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= manager.gpu(ITensor::makeShape({maxNumSequences, maxDecodingTokens, common::ceilDiv(maxDecodingTokens, 32)}),
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nvinfer1::DataType::kINT32);
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specDecodingPositionOffsets
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= manager.gpu(ITensor::makeShape({maxNumSequences * maxDecodingTokens}), nvinfer1::DataType::kINT32);
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eagleNetCtxRequestTypesHost = manager.pinnedPool(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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eagleNetCtxContextLengthsHost
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= manager.pinnedPool(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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eagleNetCtxPastKeyValueLengthsHost
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= manager.pinnedPool(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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eagleNetGenRequestTypesHost = manager.pinnedPool(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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eagleNetGenContextLengthsHost
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= manager.pinnedPool(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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eagleNetGenPastKeyValueLengthsHost
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= manager.pinnedPool(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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}
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EagleBuffers::EagleBuffers(SizeType32 maxBatchSize, SizeType32 maxBeamWidth, runtime::BufferManager const& manager,
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runtime::ModelConfig const& modelConfig, runtime::WorldConfig const& worldConfig,
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executor::DecodingConfig const& decodingConfig, runtime::TllmRuntime const& runtime)
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{
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TLLM_LOG_TRACE("%s start", __PRETTY_FUNCTION__);
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TLLM_CHECK_WITH_INFO(maxBeamWidth == 1, "EAGLE does not support beam search");
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auto const maxNumSequences = maxBatchSize;
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auto const eagleModule = std::dynamic_pointer_cast<tensorrt_llm::runtime::EagleModule const>(
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modelConfig.getSpeculativeDecodingModulePtr());
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auto const numPaths = eagleModule->getMaxNumPaths();
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auto const pathLen = eagleModule->getMaxPathLen();
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auto const maxDecodingDraftTokens = eagleModule->getMaxDecodingDraftTokens();
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auto constexpr TRTTokenIdType = runtime::TRTDataType<runtime::TokenIdType>::value;
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// input tensors
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engineInputs.temperatures = manager.emptyTensor(runtime::MemoryType::kGPU, nvinfer1::DataType::kFLOAT);
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engineInputs.draftTokens
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= manager.gpu(ITensor::makeShape({maxNumSequences, maxDecodingDraftTokens}), TRTTokenIdType);
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engineInputs.draftLens = manager.gpu(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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engineInputs.draftPaths
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= manager.gpu(ITensor::makeShape({maxNumSequences, numPaths, pathLen}), nvinfer1::DataType::kINT32);
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engineInputs.specDecodingGenerationLengths
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= manager.emptyTensor(runtime::MemoryType::kGPU, nvinfer1::DataType::kINT32);
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engineInputs.specDecodingPositionOffsets
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= manager.emptyTensor(runtime::MemoryType::kGPU, nvinfer1::DataType::kINT32);
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engineInputs.specDecodingPackedMasks = manager.emptyTensor(runtime::MemoryType::kGPU, nvinfer1::DataType::kINT32);
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engineInputs.randomDataSample = manager.emptyTensor(runtime::MemoryType::kGPU, nvinfer1::DataType::kFLOAT);
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engineInputs.randomDataValidation = manager.emptyTensor(runtime::MemoryType::kGPU, nvinfer1::DataType::kFLOAT);
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engineInputs.eagleNetCtxRequestTypesHost
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= manager.emptyTensor(runtime::MemoryType::kPINNEDPOOL, nvinfer1::DataType::kINT32);
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engineInputs.eagleNetCtxContextLengthsHost
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= manager.emptyTensor(runtime::MemoryType::kPINNEDPOOL, nvinfer1::DataType::kINT32);
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engineInputs.eagleNetCtxPastKeyValueLengthsHost
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= manager.emptyTensor(runtime::MemoryType::kPINNEDPOOL, nvinfer1::DataType::kINT32);
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engineInputs.eagleNetGenRequestTypesHost
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= manager.emptyTensor(runtime::MemoryType::kPINNEDPOOL, nvinfer1::DataType::kINT32);
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engineInputs.eagleNetGenContextLengthsHost
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= manager.emptyTensor(runtime::MemoryType::kPINNEDPOOL, nvinfer1::DataType::kINT32);
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engineInputs.eagleNetGenPastKeyValueLengthsHost
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= manager.emptyTensor(runtime::MemoryType::kPINNEDPOOL, nvinfer1::DataType::kINT32);
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// output tensors
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engineOutputs.nextDraftTokens
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= manager.gpu(ITensor::makeShape({maxNumSequences, numPaths, pathLen}), TRTTokenIdType);
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engineOutputs.nextDraftLens = manager.gpu(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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engineOutputs.nextDraftPaths
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= manager.gpu(ITensor::makeShape({maxNumSequences, numPaths, pathLen}), nvinfer1::DataType::kINT32);
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engineOutputs.acceptedTokens
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= manager.gpu(ITensor::makeShape({maxNumSequences, pathLen}), nvinfer1::DataType::kINT32);
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engineOutputs.acceptedLens = manager.gpu(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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engineOutputs.acceptedPaths = manager.gpu(ITensor::makeShape({maxNumSequences}), nvinfer1::DataType::kINT32);
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// helper tensors
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auto const& stream = manager.getStream();
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scanTempStorageBytes
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= tksd::invokeScanGenerationLengths(nullptr, 0, nullptr, nullptr, maxNumSequences, stream.get());
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reduceTempStorageBytes
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= tksd::invokeReduceMaxGenerationLengths(nullptr, 0, nullptr, nullptr, maxNumSequences, stream.get());
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scanReduceTempStorage = manager.gpu(std::max(reduceTempStorageBytes, scanTempStorageBytes));
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cumSumGenerationLengths = manager.emptyTensor(runtime::MemoryType::kGPU, nvinfer1::DataType::kINT32);
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maxGenerationLength = manager.gpu(ITensor::makeShape({1}), nvinfer1::DataType::kINT32);
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// pre-allocate empty tensors
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reshape(0, maxNumSequences, modelConfig);
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TLLM_LOG_TRACE("%s stop", __PRETTY_FUNCTION__);
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}
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void EagleBuffers::reshape(
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SizeType32 numCtxSequences, SizeType32 numGenSequences, runtime::ModelConfig const& modelConfig)
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{
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TLLM_LOG_TRACE("%s start", __PRETTY_FUNCTION__);
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auto const numSequences = numCtxSequences + numGenSequences;
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auto const eagleModule = std::dynamic_pointer_cast<tensorrt_llm::runtime::EagleModule const>(
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modelConfig.getSpeculativeDecodingModulePtr());
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auto const maxDecodingTokens = eagleModule->getMaxDecodingTokens();
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// input tensors
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engineInputs.temperatures->reshape(ITensor::makeShape({numSequences}));
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auto draftTokensShape = engineInputs.draftTokens->getShape();
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draftTokensShape.d[0] = numSequences;
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engineInputs.draftTokens->reshape(draftTokensShape);
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auto draftLensShape = engineInputs.draftLens->getShape();
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draftLensShape.d[0] = numSequences;
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engineInputs.draftLens->reshape(draftLensShape);
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auto draftPathsShape = engineInputs.draftPaths->getShape();
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draftPathsShape.d[0] = numSequences;
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engineInputs.draftPaths->reshape(draftPathsShape);
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engineInputs.specDecodingGenerationLengths->reshape(ITensor::makeShape({numGenSequences}));
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engineInputs.specDecodingPositionOffsets->reshape(ITensor::makeShape({numGenSequences, maxDecodingTokens}));
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engineInputs.specDecodingPackedMasks->reshape(
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ITensor::makeShape({numGenSequences * maxDecodingTokens, common::ceilDiv(maxDecodingTokens, 32)}));
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engineInputs.randomDataSample->reshape(ITensor::makeShape({numSequences}));
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engineInputs.randomDataValidation->reshape(ITensor::makeShape({numSequences}));
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engineInputs.eagleNetCtxRequestTypesHost->reshape(ITensor::makeShape({numSequences}));
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engineInputs.eagleNetCtxContextLengthsHost->reshape(ITensor::makeShape({numSequences}));
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engineInputs.eagleNetCtxPastKeyValueLengthsHost->reshape(ITensor::makeShape({numSequences}));
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engineInputs.eagleNetGenRequestTypesHost->reshape(ITensor::makeShape({numSequences}));
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engineInputs.eagleNetGenContextLengthsHost->reshape(ITensor::makeShape({numSequences}));
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engineInputs.eagleNetGenPastKeyValueLengthsHost->reshape(ITensor::makeShape({numSequences}));
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cumSumGenerationLengths->reshape(ITensor::makeShape({numSequences + 1}));
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TLLM_LOG_TRACE("%s stop", __PRETTY_FUNCTION__);
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}
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template <typename T>
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void EagleBuffers::setFromInputs(SizeType32 numCtxSequences, SizeType32 numGenSequences, SizeType32 vocabSizePadded,
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ITensor const& seqSlots, EagleBuffers::Inputs const& draftBuffers, ITensor const& contextPositionIds,
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runtime::EagleModule const& eagleModule, runtime::CudaStream const& stream) const
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{
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TLLM_LOG_TRACE("%s start", __PRETTY_FUNCTION__);
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using runtime::bufferCast;
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tksd::PackEagleParams params;
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params.batchSize = numCtxSequences + numGenSequences;
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params.maxNumPaths = eagleModule.getMaxNumPaths();
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params.maxDecodingTokens = eagleModule.getMaxDecodingTokens();
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params.maxPathLength = eagleModule.getMaxPathLen();
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params.numContextRequests = numCtxSequences;
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params.numGenerationRequests = numGenSequences;
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params.batchSlots = bufferCast<SizeType32>(seqSlots);
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// Outputs from decoder -- inputs to the packing kernel
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params.inputTemperatures = bufferCast<float>(*draftBuffers.temperatures);
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params.inputRandomDataSample = bufferCast<float>(*draftBuffers.randomDataSample);
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params.inputRandomDataValidation = bufferCast<float>(*draftBuffers.randomDataValidation);
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params.inputNextDraftTokens = bufferCast<runtime::TokenIdType>(*draftBuffers.draftTokens);
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params.inputNextDraftPaths = bufferCast<SizeType32>(*draftBuffers.draftPaths);
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params.inputSpecDecodingGenerationLengths = bufferCast<SizeType32>(*draftBuffers.specDecodingGenerationLengths);
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params.inputSpecDecodingPositionOffsets = bufferCast<SizeType32>(*draftBuffers.specDecodingPositionOffsets);
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params.inputSpecDecodingPackedMasks = bufferCast<int32_t>(*draftBuffers.specDecodingPackedMasks);
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// Outputs of the packing kernel -- inputs to the engine
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params.outputTemperatures = bufferCast<float>(*engineInputs.temperatures);
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params.outputRandomDataSample = bufferCast<float>(*engineInputs.randomDataSample);
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params.outputRandomDataValidation = bufferCast<float>(*engineInputs.randomDataValidation);
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params.outputNextDraftTokens = bufferCast<runtime::TokenIdType>(*engineInputs.draftTokens);
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params.outputNextDraftLens = bufferCast<SizeType32>(*engineInputs.draftLens);
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params.outputNextDraftPaths = bufferCast<SizeType32>(*engineInputs.draftPaths);
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params.outputSpecDecodingGenerationLengths = bufferCast<SizeType32>(*engineInputs.specDecodingGenerationLengths);
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params.outputSpecDecodingPositionOffsets = bufferCast<SizeType32>(*engineInputs.specDecodingPositionOffsets);
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params.outputSpecDecodingPackedMasks = bufferCast<int32_t>(*engineInputs.specDecodingPackedMasks);
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params.maxGenerationLength = bufferCast<SizeType32>(*maxGenerationLength);
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params.cumSumGenerationLengths = bufferCast<SizeType32>(*cumSumGenerationLengths);
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params.checkParams();
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// Pack tensors from batch slot position to continuous array
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tksd::invokePackEagleGenerationLengths(params, stream.get());
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if (numGenSequences)
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{
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// Compute inclusive sum and max
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tksd::invokeScanReduceGenerationLengths(numGenSequences,
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bufferCast<SizeType32>(*engineInputs.specDecodingGenerationLengths),
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bufferCast<uint8_t>(*scanReduceTempStorage), scanTempStorageBytes,
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bufferCast<SizeType32>(*cumSumGenerationLengths), bufferCast<uint8_t>(*scanReduceTempStorage),
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reduceTempStorageBytes, bufferCast<SizeType32>(*maxGenerationLength), stream.get());
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}
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// Pack tensors from batch slot position to continuous array
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tksd::invokePackEagle(params, stream.get());
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// Pack host data.
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SizeType32 maxGenerationLengthHostValue{-1};
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for (SizeType32 bi = 0; bi < params.batchSize; ++bi)
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{
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auto const batchSlot = params.batchSlots[bi];
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bufferCast<SizeType32>(*engineInputs.eagleNetCtxRequestTypesHost)[bi]
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= bufferCast<SizeType32>(*draftBuffers.eagleNetCtxRequestTypesHost)[batchSlot];
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bufferCast<SizeType32>(*engineInputs.eagleNetCtxContextLengthsHost)[bi]
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= bufferCast<SizeType32>(*draftBuffers.eagleNetCtxContextLengthsHost)[batchSlot];
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bufferCast<SizeType32>(*engineInputs.eagleNetCtxPastKeyValueLengthsHost)[bi]
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= bufferCast<SizeType32>(*draftBuffers.eagleNetCtxPastKeyValueLengthsHost)[batchSlot];
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bufferCast<SizeType32>(*engineInputs.eagleNetGenRequestTypesHost)[bi]
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= bufferCast<SizeType32>(*draftBuffers.eagleNetGenRequestTypesHost)[batchSlot];
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bufferCast<SizeType32>(*engineInputs.eagleNetGenContextLengthsHost)[bi]
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= bufferCast<SizeType32>(*draftBuffers.eagleNetGenContextLengthsHost)[batchSlot];
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bufferCast<SizeType32>(*engineInputs.eagleNetGenPastKeyValueLengthsHost)[bi]
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= bufferCast<SizeType32>(*draftBuffers.eagleNetGenPastKeyValueLengthsHost)[batchSlot];
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maxGenerationLengthHostValue = std::max(maxGenerationLengthHostValue,
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bufferCast<SizeType32>(*draftBuffers.specDecodingGenerationLengthsHost)[batchSlot]);
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}
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if (maxGenerationLengthHostValue <= 0)
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{
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maxGenerationLengthHostValue = params.maxDecodingTokens;
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}
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auto specDecodingPositionOffsetsShape = engineInputs.specDecodingPositionOffsets->getShape();
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specDecodingPositionOffsetsShape.d[1] = maxGenerationLengthHostValue;
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engineInputs.specDecodingPositionOffsets->reshape(specDecodingPositionOffsetsShape);
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TLLM_LOG_TRACE("%s stop", __PRETTY_FUNCTION__);
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}
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void EagleBuffers::setFromInputs(SizeType32 numCtxSequences, SizeType32 numGenSequences, ITensor const& requestTypes,
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ITensor const& seqSlots, EagleBuffers::Inputs const& draftBuffers, ITensor const& contextPositionIds,
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runtime::TllmRuntime const& runtime, runtime::ModelConfig const& modelConfig,
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runtime::WorldConfig const& worldConfig) const
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{
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TLLM_LOG_TRACE("%s start", __PRETTY_FUNCTION__);
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auto const& stream = runtime.getStream();
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auto const eagleModule
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= std::dynamic_pointer_cast<runtime::EagleModule const>(modelConfig.getSpeculativeDecodingModulePtr());
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auto const vocabSizePadded = modelConfig.getVocabSizePadded(worldConfig.getSize());
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auto const dtype = modelConfig.getDataType();
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switch (dtype)
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{
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case nvinfer1::DataType::kFLOAT:
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setFromInputs<float>(numCtxSequences, numGenSequences, vocabSizePadded, seqSlots, draftBuffers,
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contextPositionIds, *eagleModule, stream);
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break;
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case nvinfer1::DataType::kHALF:
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setFromInputs<half>(numCtxSequences, numGenSequences, vocabSizePadded, seqSlots, draftBuffers,
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contextPositionIds, *eagleModule, stream);
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break;
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default: TLLM_THROW("DataType %d not supported in EagleBuffers", static_cast<SizeType32>(dtype)); break;
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}
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TLLM_LOG_TRACE("%s stop", __PRETTY_FUNCTION__);
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}
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void EagleBuffers::insertInputTensors(
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TensorMap& inputBuffers, TensorMap& outputBuffers, runtime::WorldConfig const& /* worldConfig */) const
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{
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TLLM_LOG_TRACE("%s start", __PRETTY_FUNCTION__);
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// inputs
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inputBuffers.insert_or_assign("eagle_temperature", engineInputs.temperatures);
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inputBuffers.insert_or_assign("spec_decoding_generation_lengths", engineInputs.specDecodingGenerationLengths);
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inputBuffers.insert_or_assign("spec_decoding_position_offsets", engineInputs.specDecodingPositionOffsets);
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inputBuffers.insert_or_assign("spec_decoding_packed_mask", engineInputs.specDecodingPackedMasks);
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inputBuffers.insert_or_assign("rand_data_sample", engineInputs.randomDataSample);
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inputBuffers.insert_or_assign("rand_data_validation", engineInputs.randomDataValidation);
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inputBuffers.insert_or_assign("draft_tokens", engineInputs.draftTokens);
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inputBuffers.insert_or_assign("draft_lens", engineInputs.draftLens);
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inputBuffers.insert_or_assign("draft_paths", engineInputs.draftPaths);
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inputBuffers.insert_or_assign("host_ctx_eagle_net_request_types", engineInputs.eagleNetCtxRequestTypesHost);
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inputBuffers.insert_or_assign("host_ctx_eagle_net_context_lengths", engineInputs.eagleNetCtxContextLengthsHost);
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inputBuffers.insert_or_assign(
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"host_ctx_eagle_net_past_key_value_lengths", engineInputs.eagleNetCtxPastKeyValueLengthsHost);
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inputBuffers.insert_or_assign("host_gen_eagle_net_request_types", engineInputs.eagleNetGenRequestTypesHost);
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inputBuffers.insert_or_assign("host_gen_eagle_net_context_lengths", engineInputs.eagleNetGenContextLengthsHost);
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inputBuffers.insert_or_assign(
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"host_gen_eagle_net_past_key_value_lengths", engineInputs.eagleNetGenPastKeyValueLengthsHost);
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// outputs
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outputBuffers.insert_or_assign("next_draft_tokens", engineOutputs.nextDraftTokens);
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outputBuffers.insert_or_assign("next_draft_lens", engineOutputs.nextDraftLens);
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outputBuffers.insert_or_assign("next_draft_paths", engineOutputs.nextDraftPaths);
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outputBuffers.insert_or_assign("accepted_tokens", engineOutputs.acceptedTokens);
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outputBuffers.insert_or_assign("num_accepted_tokens", engineOutputs.acceptedLens);
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outputBuffers.insert_or_assign("accepted_paths", engineOutputs.acceptedPaths);
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TLLM_LOG_TRACE("%s stop", __PRETTY_FUNCTION__);
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}
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} // namespace tensorrt_llm::runtime
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