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deaae40bd7
* Update TensorRT-LLM --------- Co-authored-by: Shixiaowei02 <39303645+Shixiaowei02@users.noreply.github.com>
68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
/*
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* Copyright (c) 2022-2024, NVIDIA CORPORATION. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "tensorrt_llm/common/allocator.h"
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#ifdef TORCH_CUDA
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#include "torch/extension.h"
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#endif
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#include <cuda_runtime.h>
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#include <string>
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#include <unordered_map>
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namespace tc = tensorrt_llm::common;
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namespace tensorrt_llm
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{
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namespace thop
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{
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class TorchAllocator : public tc::IAllocator
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{
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public:
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explicit TorchAllocator(cudaStream_t stream)
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: mStream(stream)
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{
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}
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~TorchAllocator() override = default;
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void free(void** ptr) override;
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protected:
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bool contains(void const* ptr) const override
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{
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return mPointerMapping.find(ptr) != mPointerMapping.end();
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}
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tc::ReallocType reallocType(void const* ptr, size_t size) const override;
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void* malloc(size_t size, bool setZero) override;
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void memSet(void* ptr, int val, size_t size) override;
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private:
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std::unordered_map<void const*, torch::Tensor> mPointerMapping{};
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cudaStream_t mStream{};
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};
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} // namespace thop
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} // namespace tensorrt_llm
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