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83 lines
2.5 KiB
83 lines
2.5 KiB
/* Copyright (c) 2020 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/fluid/framework/data_type.h"
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#include "paddle/fluid/framework/op_registry.h"
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#include "paddle/fluid/framework/var_type.h"
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#include "paddle/fluid/platform/device_context.h"
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namespace paddle {
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namespace platform {
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class DeviceContext;
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} // namespace platform
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} // namespace paddle
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namespace paddle {
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namespace framework {
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class LoDTensor;
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class Variable;
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class SelectedRows;
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} // namespace framework
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} // namespace paddle
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namespace paddle {
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namespace operators {
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class MemcpyFunctor {
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public:
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MemcpyFunctor(framework::Variable *out,
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const platform::DeviceContext &dev_ctx,
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const int dst_place_type)
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: out_(out), dev_ctx_(dev_ctx), dst_place_type_(dst_place_type) {}
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void operator()(const framework::LoDTensor &lod_tensor) const {
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auto &out_tensor = *out_->GetMutable<framework::LoDTensor>();
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if (dst_place_type_ == 2) {
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framework::TensorCopy(lod_tensor, platform::CUDAPinnedPlace(), dev_ctx_,
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&out_tensor);
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} else if (dst_place_type_ == 1) {
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framework::TensorCopy(lod_tensor, dev_ctx_.GetPlace(), dev_ctx_,
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&out_tensor);
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} else {
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PADDLE_THROW(platform::errors::Unimplemented(
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"memcpy dst_place_type: %d is not supported yet.", dst_place_type_));
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}
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out_tensor.set_lod(lod_tensor.lod());
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}
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void operator()(const framework::SelectedRows &rows) const {
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// (JZ-LIANG) to support SelectedRows
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PADDLE_THROW(platform::errors::Unimplemented(
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"Memcpy for SelectedRows is NOT support yet."));
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}
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template <typename T>
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void operator()(const T &v) const {
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PADDLE_ENFORCE_EQ(
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true, false,
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platform::errors::PermissionDenied(
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"Not support type for Memcpy op with type %s", typeid(T).name()));
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}
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private:
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framework::Variable *out_;
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const platform::DeviceContext &dev_ctx_;
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const int dst_place_type_;
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};
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} // namespace operators
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} // namespace paddle
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