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78 lines
2.5 KiB
78 lines
2.5 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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#include <ostream>
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#include "paddle/fluid/framework/data_type.h"
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#include "paddle/fluid/framework/framework.pb.h"
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#include "paddle/fluid/framework/lod_tensor.h"
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#include "paddle/fluid/framework/op_registry.h"
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#include <future>
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#include "paddle/fluid/operators/detail/grpc_client.h"
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namespace paddle {
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namespace operators {
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class RecvOp : public framework::OperatorBase {
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public:
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RecvOp(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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auto outs = Outputs("Out");
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std::vector<std::string> epmap = Attr<std::vector<std::string>>("epmap");
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platform::DeviceContextPool& pool = platform::DeviceContextPool::Instance();
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auto& ctx = *pool.Get(place);
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for (size_t i = 0; i < outs.size(); i++) {
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VLOG(3) << "getting " << outs[i];
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client_.AsyncGetVariable(epmap[i], ctx, scope, outs[i]);
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}
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PADDLE_ENFORCE(client_.Wait());
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}
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private:
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mutable detail::RPCClient client_;
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};
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class RecvOpMaker : public framework::OpProtoAndCheckerMaker {
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public:
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RecvOpMaker(OpProto* proto, OpAttrChecker* op_checker)
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: OpProtoAndCheckerMaker(proto, op_checker) {
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AddOutput("Out", "(Tensor) Variables to get from server.").AsDuplicable();
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AddComment(R"DOC(
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Recv operator
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This operator can get variables from server side.
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)DOC");
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AddAttr<std::vector<std::string>>("epmap",
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"(string vector, default 127.0.0.1:6164)"
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"Server endpoints in the order of input "
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"variables for mapping")
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.SetDefault({});
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}
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};
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} // namespace operators
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} // namespace paddle
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namespace ops = paddle::operators;
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REGISTER_OPERATOR(recv, ops::RecvOp, ops::RecvOpMaker);
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