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73 lines
2.2 KiB
73 lines
2.2 KiB
/* 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 <vector>
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#include "paddle/fluid/framework/op_registry.h"
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#include "paddle/fluid/framework/operator.h"
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namespace paddle {
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namespace operators {
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using Tensor = framework::Tensor;
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template <typename DeviceContext, typename T>
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class UnsqueezeKernel : public framework::OpKernel<T> {
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public:
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void Compute(const framework::ExecutionContext &ctx) const override {
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auto *out = ctx.Output<framework::LoDTensor>("Out");
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auto *in = ctx.Input<framework::LoDTensor>("X");
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framework::DDim out_dims = out->dims();
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bool inplace = ctx.Attr<bool>("inplace");
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out->Resize(out_dims);
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if (!inplace) {
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out->mutable_data<T>(ctx.GetPlace());
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framework::TensorCopySync(*in, ctx.GetPlace(), out);
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out->Resize(out_dims);
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} else {
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out->ShareDataWith(*in);
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out->Resize(out_dims);
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}
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}
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};
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template <typename DeviceContext, typename T>
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class UnsqueezeGradKernel : public framework::OpKernel<T> {
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public:
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void Compute(const framework::ExecutionContext &ctx) const override {
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auto *d_out = ctx.Input<framework::Tensor>(framework::GradVarName("Out"));
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auto *d_x = ctx.Output<framework::Tensor>(framework::GradVarName("X"));
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d_x->mutable_data<T>(ctx.GetPlace());
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bool inplace = ctx.Attr<bool>("inplace");
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auto in_dims = d_x->dims();
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if (!inplace) {
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framework::TensorCopy(*d_out, ctx.GetPlace(), ctx.device_context(), d_x);
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ctx.device_context().Wait();
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d_x->Resize(in_dims);
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} else {
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d_x->ShareDataWith(*d_out);
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d_x->Resize(in_dims);
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}
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}
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};
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} // namespace operators
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} // namespace paddle
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