TensorRT-LLMs/cpp/include/tensorrt_llm/batch_manager/contextProgress.h
2024-11-05 16:27:06 +08:00

56 lines
1.4 KiB
C++

/*
* Copyright (c) 2022-2024, 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/runtime/cudaEvent.h"
#include <atomic>
#include <condition_variable>
#include <mutex>
#include <vector>
namespace tensorrt_llm::batch_manager
{
// Use to track progress of context phase in dist-serving
class ContextProgress
{
public:
ContextProgress(int numLayers);
void recordEvent(int layerIdx, cudaStream_t stream);
void wait(int layerIdx);
int getNumLayers() const
{
return mCudaEvents.size();
}
cudaEvent_t getEvent(int layerIdx)
{
return mCudaEvents.at(layerIdx).get();
}
private:
std::mutex mMutex;
std::condition_variable mConditionVariable;
std::unique_ptr<std::atomic_bool[]> mCudaEventsRecorded;
std::vector<runtime::CudaEvent> mCudaEvents;
};
} // namespace tensorrt_llm::batch_manager