TensorRT-LLMs/cpp/include/tensorrt_llm/runtime/ipcUtils.h
2024-04-16 19:40:08 +08:00

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1.5 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/kernels/customAllReduceKernels.h"
#include "tensorrt_llm/runtime/iTensor.h"
#include "tensorrt_llm/runtime/worldConfig.h"
namespace tensorrt_llm::runtime
{
void setPeerAccess(WorldConfig const& worldConfig, bool enable = true);
class IpcMemory
{
public:
using TensorPtr = ITensor::SharedPtr;
// MAX_ALL_REDUCE_BLOCKS for block_barrier, 1 for multi_gpu_barrier
size_t static constexpr FLAGS_SIZE = (kernels::MAX_ALL_REDUCE_BLOCKS + 1) * sizeof(uint32_t);
IpcMemory(WorldConfig const& worldConfig, std::size_t bufferSize);
~IpcMemory();
[[nodiscard]] std::vector<void*> const& getCommPtrsTensor() const
{
return mCommPtrs;
}
private:
void allocateIpcMemory();
void destroyIpcMemory();
WorldConfig mWorldConfig;
std::vector<void*> mCommPtrs;
std::size_t mBufferSize;
void* mBufferPtr{nullptr};
};
} // namespace tensorrt_llm::runtime