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60 lines
2.2 KiB
60 lines
2.2 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
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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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#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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class DeleteVarOp : public framework::OperatorBase {
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public:
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DeleteVarOp(const std::string &type, const framework::VariableNameMap &inputs,
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const framework::VariableNameMap &outputs,
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const framework::AttributeMap &attrs)
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: OperatorBase(type, inputs, outputs, attrs) {}
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void RunImpl(const framework::Scope &scope,
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const platform::Place &place) const override {
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// get device context from pool
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platform::DeviceContextPool &pool = platform::DeviceContextPool::Instance();
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auto &dev_ctx = *pool.Get(place);
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dev_ctx.Wait();
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auto delete_var_names = Inputs("X");
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const_cast<framework::Scope &>(scope).EraseVars(delete_var_names);
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}
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};
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class DeleteVarOpShapeInference : public framework::InferShapeBase {
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public:
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void operator()(framework::InferShapeContext *ctx) const override {}
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};
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class DeleteVarOpInfoMaker : public framework::OpProtoAndCheckerMaker {
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public:
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void Make() override {
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AddInput("X", "The input of delete op").AsDuplicable();
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AddComment(R"DOC(
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Delete Operator.
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It should not be configured by users directly.
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)DOC");
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}
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};
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} // namespace operators
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} // namespace paddle
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REGISTER_OPERATOR(
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delete_var, paddle::operators::DeleteVarOp,
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paddle::framework::EmptyGradOpMaker<paddle::framework::OpDesc>,
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paddle::framework::EmptyGradOpMaker<paddle::imperative::OpBase>,
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paddle::operators::DeleteVarOpInfoMaker,
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paddle::operators::DeleteVarOpShapeInference);
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