mirror of
https://github.com/NVIDIA/TensorRT-LLM.git
synced 2026-01-14 06:27:45 +08:00
ce580ce4f5
Signed-off-by: jthomson04 <jwillthomson19@gmail.com> Signed-off-by: richardhuo-nv <rihuo@nvidia.com> Co-authored-by: jthomson04 <jwillthomson19@gmail.com> Co-authored-by: Iman Tabrizian <10105175+Tabrizian@users.noreply.github.com> Co-authored-by: Sharan Chetlur <116769508+schetlur-nv@users.noreply.github.com>
71 lines
2.3 KiB
C++
71 lines
2.3 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/common/assert.h"
|
|
#include "tensorrt_llm/common/logger.h"
|
|
#include "tensorrt_llm/runtime/cudaStream.h"
|
|
#include "tensorrt_llm/runtime/iTensor.h"
|
|
#include "tensorrt_llm/runtime/torchUtils.h"
|
|
|
|
#include <ATen/ATen.h>
|
|
|
|
#include <stdexcept>
|
|
|
|
namespace tensorrt_llm::runtime
|
|
{
|
|
|
|
class Torch
|
|
{
|
|
public:
|
|
static at::Tensor tensor(ITensor::SharedPtr tensor)
|
|
{
|
|
auto const tensorOptions = at::device(TorchUtils::device((*tensor).data()))
|
|
.pinned_memory((*tensor).getMemoryType() == MemoryType::kPINNEDPOOL)
|
|
.dtype(TorchUtils::dataType((*tensor).getDataType()))
|
|
.layout(at::kStrided);
|
|
return at::for_blob(tensor->data(), TorchUtils::shape(tensor->getShape())) // NOLINT(*-use-after-move)
|
|
.options(tensorOptions)
|
|
.deleter(
|
|
[ptr = std::move(tensor)](void* data) mutable
|
|
{
|
|
if (data != ptr->data())
|
|
{
|
|
TLLM_LOG_WARNING("Torch tensor refers to deallocated memory.");
|
|
}
|
|
ptr.reset();
|
|
})
|
|
.make_tensor();
|
|
}
|
|
|
|
static at::Tensor buffer(IBuffer::SharedPtr buffer)
|
|
{
|
|
auto const shape = ITensor::makeShape({static_cast<runtime::SizeType32>(buffer->getSize())});
|
|
return tensor(ITensor::view(std::move(buffer), shape));
|
|
}
|
|
|
|
static void setCurrentStream(runtime::CudaStream& cudaStream)
|
|
{
|
|
at::cuda::setCurrentCUDAStream(TorchUtils::stream(cudaStream));
|
|
}
|
|
|
|
private:
|
|
Torch() = default;
|
|
};
|
|
|
|
} // namespace tensorrt_llm::runtime
|