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82 lines
2.8 KiB
82 lines
2.8 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/framework/feed_fetch_type.h"
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#include "paddle/framework/op_registry.h"
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#include "paddle/framework/operator.h"
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namespace paddle {
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namespace operators {
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class FeedOp : public framework::OperatorBase {
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public:
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FeedOp(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 Run(const framework::Scope &scope,
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const platform::Place &place) const override {
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auto feed_var_name = Input("X");
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auto *feed_var = scope.FindVar(feed_var_name);
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PADDLE_ENFORCE(feed_var != nullptr,
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"Cannot find feed_var in scope, feed_var_name is %s",
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feed_var_name);
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auto out_name = this->Output("Out");
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auto *out_var = scope.FindVar(out_name);
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PADDLE_ENFORCE(out_var != nullptr,
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"Cannot find out_var in scope, out_var_name is %s",
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out_name);
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auto col = Attr<int>("col");
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VLOG(3) << "Feed Var " << feed_var_name << "'s " << col << " column to var "
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<< out_name;
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auto &feed_list = feed_var->Get<framework::FeedFetchList>();
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auto &feed_item = feed_list.at(static_cast<size_t>(col));
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auto *out_item = out_var->GetMutable<framework::FeedFetchType>();
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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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framework::CopyFrom(feed_item, place, dev_ctx, out_item);
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out_item->set_lod(feed_item.lod());
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}
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};
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class FeedOpInfoMaker : public framework::OpProtoAndCheckerMaker {
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public:
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FeedOpInfoMaker(OpProto *proto, OpAttrChecker *op_checker)
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: OpProtoAndCheckerMaker(proto, op_checker) {
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AddInput("X", "The input of feed op");
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AddOutput("Out", "The output of feed op");
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AddAttr<int>("col", "(int) The column of feed");
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AddComment(R"DOC(
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Feed 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(feed, paddle::operators::FeedOp,
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paddle::framework::EmptyGradOpMaker,
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paddle::operators::FeedOpInfoMaker);
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