TensorRT-LLMs/cpp/tensorrt_llm/thop/ncclCommunicatorOp.cpp
Kaiyu Xie 587d063e6d
Update TensorRT-LLM (#506)
* Update TensorRT-LLM

---------

Co-authored-by: Shixiaowei02 <39303645+Shixiaowei02@users.noreply.github.com>
2023-11-30 16:46:22 +08:00

53 lines
2.3 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.
*/
#include "tensorrt_llm/thop/ncclCommunicatorOp.h"
namespace torch_ext
{
NcclCommunicatorOp::NcclCommunicatorOp(int64_t tpSize, int64_t ppSize, int64_t rank)
: mRank(static_cast<int32_t>(rank))
{
tensorrt_llm::runtime::WorldConfig worldConfig{
static_cast<int32_t>(tpSize), static_cast<int32_t>(ppSize), static_cast<int32_t>(rank)};
mPipelineComm = tensorrt_llm::runtime::NcclCommunicator::createPipelineComm(worldConfig);
}
void NcclCommunicatorOp::send(th::Tensor tensor, int64_t toRank) const
{
auto ptr = reinterpret_cast<std::uint8_t*>(get_ptr<int8_t>(tensor));
size_t const size = tensor.numel() * th::elementSize(th::typeMetaToScalarType(tensor.dtype()));
tensorrt_llm::runtime::CudaStream cudaStream{at::cuda::getCurrentCUDAStream().stream(), mRank, false};
mPipelineComm->send(ptr, size, static_cast<int32_t>(toRank), cudaStream);
}
void NcclCommunicatorOp::recv(th::Tensor& tensor, int64_t fromRank) const
{
auto ptr = reinterpret_cast<std::uint8_t*>(get_ptr<int8_t>(tensor));
size_t const size = tensor.numel() * th::elementSize(th::typeMetaToScalarType(tensor.dtype()));
tensorrt_llm::runtime::CudaStream cudaStream{at::cuda::getCurrentCUDAStream().stream(), mRank, false};
mPipelineComm->receive(ptr, size, static_cast<int32_t>(fromRank), cudaStream);
}
} // namespace torch_ext
static auto fasterTransformerNcclCommunicator
= torch::jit::class_<torch_ext::NcclCommunicatorOp>("FasterTransformer", "NcclCommunicatorOp")
.def(torch::jit::init<int64_t, int64_t, int64_t>())
.def("send", &torch_ext::NcclCommunicatorOp::send)
.def("recv", &torch_ext::NcclCommunicatorOp::recv);