wehub-resource-sync
58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#pragma once
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#include "paddle/phi/common/place.h"
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#include "paddle/phi/core/platform/device/gpu/gpu_info.h"
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namespace paddle {
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namespace memory {
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/**
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* \brief Copy memory from one place to another place.
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*
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* \param[in] DstPlace Destination allocation place (CPU).
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* \param[in] dst Destination memory address.
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* \param[in] SrcPlace Source allocation place (CPU).
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* \param[in] src Source memory address.
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* \param[in] num memory size in bytes to copy.
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*
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*/
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template <typename DstPlace, typename SrcPlace>
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TEST_API void Copy(DstPlace, void* dst, SrcPlace, const void* src, size_t num);
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/**
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* \brief Copy memory from one place to another place.
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*
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* \param[in] DstPlace Destination allocation place (CPU or GPU or XPU or
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* CustomDevice).
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* \param[in] dst Destination memory address.
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* \param[in] SrcPlace Source allocation place (CPU or GPU or XPU or
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* CustomDevice).
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* \param[in] src Source memory address.
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* \param[in] num memory size in bytes to copy.
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* \param[in] stream stream for asynchronously memory copy.
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*
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* \note For GPU/XPU/CustomDevice memory copy, stream need to be specified
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* for asynchronously memory copy, and type is restored in the
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* implementation.
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*
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*/
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template <typename DstPlace, typename SrcPlace>
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TEST_API void Copy(
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DstPlace, void* dst, SrcPlace, const void* src, size_t num, void* stream);
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} // namespace memory
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} // namespace paddle
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