mirror of
https://github.com/NVIDIA/TensorRT-LLM.git
synced 2026-01-14 06:27:45 +08:00
113 lines
4.3 KiB
C++
113 lines
4.3 KiB
C++
/*
|
|
* Copyright (c) 2022-2023, 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/BatchManager.h"
|
|
#include "tensorrt_llm/batch_manager/callbacks.h"
|
|
#include "tensorrt_llm/batch_manager/llmRequest.h"
|
|
#include <atomic>
|
|
#include <cstdlib>
|
|
#include <filesystem>
|
|
#include <functional>
|
|
#include <map>
|
|
#include <optional>
|
|
|
|
namespace nvinfer1
|
|
{
|
|
class ILogger;
|
|
}
|
|
|
|
namespace tensorrt_llm::batch_manager
|
|
{
|
|
|
|
class InferenceRequest;
|
|
class TrtGptModel;
|
|
|
|
/* Responsible for shepherding Triton requests through to completion
|
|
using TRT Backend. Each Triton backend should have just one of these. */
|
|
class GptManager
|
|
{
|
|
public:
|
|
using RequestTable = std::map<uint64_t, LlmRequest>;
|
|
|
|
GptManager(std::filesystem::path const& trtEnginePath, TrtGptModelType modelType, int32_t mMaxSeqLen,
|
|
int32_t maxNumRequests, int32_t maxBeamWidth, GetInferenceRequestsCallback getInferenceRequestsCb,
|
|
SendResponseCallback sendResponseCb, PollStopSignalCallback pollStopSignalCb = nullptr,
|
|
std::optional<int32_t> maxTokensInPagedKvCache = std::nullopt);
|
|
|
|
/* Wraps the user-provided callback for requests.
|
|
Adds requests to request table.
|
|
Invoked every generation loop iteration. */
|
|
BatchManagerErrorCode_t fetchNewRequests();
|
|
|
|
/* Does the following:
|
|
1. Returns completed requests to Triton
|
|
2. Frees KV cache and other dedicated resources
|
|
3. Deletes entry from request_table */
|
|
BatchManagerErrorCode_t return_completed_requests();
|
|
|
|
BatchManagerErrorCode_t pollStopSignals();
|
|
|
|
virtual ~GptManager();
|
|
|
|
protected:
|
|
/* Does the following:
|
|
1. Maps batch manager requests to backend request
|
|
2. Invokes one step of backend
|
|
3. Updates state of all requests */
|
|
virtual BatchManagerErrorCode_t step(RequestTable& requestTable);
|
|
|
|
private:
|
|
void validateLlmRequest(LlmRequest& newReq);
|
|
static LlmRequest fillLlmRequest(std::shared_ptr<InferenceRequest> newReq);
|
|
static std::shared_ptr<std::vector<int32_t>> getReqInputTokens(std::shared_ptr<InferenceRequest> new_req);
|
|
static int32_t getMaxNewTokens(std::shared_ptr<InferenceRequest> newReq);
|
|
|
|
std::shared_ptr<TrtGptModel> mTrtGptModel;
|
|
int32_t mMaxNumRequests;
|
|
int32_t mMaxSeqLen;
|
|
|
|
// Table of live requests
|
|
std::map<uint64_t, LlmRequest> mRequestTable;
|
|
|
|
GetInferenceRequestsCallback mGetInferenceRequestsCb;
|
|
SendResponseCallback mSendResponseCb;
|
|
PollStopSignalCallback mPollStopSignalCb;
|
|
|
|
std::atomic<bool> destructor_called_;
|
|
void decoupled_execution_loop();
|
|
std::shared_ptr<std::thread> worker_thread_;
|
|
inline static const std::string kInputIdsTensorName_ = "input_ids";
|
|
inline static const std::string kMaxNewTokensTensorName_ = "request_output_len";
|
|
inline static const std::string kBeamWidthTensorName_ = "beam_width";
|
|
inline static const std::string kEndIdTensorName_ = "end_id";
|
|
inline static const std::string kPadIdTensorName_ = "pad_id";
|
|
inline static const std::string kTemperatureTensorName_ = "temperature";
|
|
inline static const std::string kRuntimeTopKTensorName_ = "runtime_top_k";
|
|
inline static const std::string kRuntimeTopPTensorName_ = "runtime_top_p";
|
|
inline static const std::string kLengthPenaltyTensorName_ = "len_penalty";
|
|
inline static const std::string kRepetitionPenaltyTensorName_ = "repetition_penalty";
|
|
inline static const std::string kMinLengthTensorName_ = "min_length";
|
|
inline static const std::string kPresencePenaltyTensorName_ = "presence_penalty";
|
|
inline static const std::string kRandomSeedTensorName_ = "random_seed";
|
|
inline static const std::string kOutputIdsTensorName_ = "output_ids";
|
|
|
|
std::shared_ptr<nvinfer1::ILogger> mLogger{};
|
|
};
|
|
|
|
} // namespace tensorrt_llm::batch_manager
|