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104 lines
3.7 KiB
104 lines
3.7 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 <future> // NOLINT
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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 "paddle/fluid/operators/detail/grpc_client.h"
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namespace paddle {
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namespace operators {
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class SendBarrierOp : public framework::OperatorBase {
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public:
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SendBarrierOp(const std::string& type,
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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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std::vector<std::string> eps = Attr<std::vector<std::string>>("endpoints");
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auto client_var_name = Output("RPCClient");
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PADDLE_ENFORCE_NOT_NULL(scope.FindVar(client_var_name),
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"Can not find variable '%s' in the scope.",
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client_var_name);
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auto* client_var = scope.FindVar(client_var_name);
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detail::RPCClient* rpc_client = client_var->GetMutable<detail::RPCClient>();
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// need to wait before sending send_barrier message
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PADDLE_ENFORCE(rpc_client->Wait());
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for (auto& ep : eps) {
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VLOG(3) << "send barrier, ep: " << ep;
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rpc_client->AsyncSendBatchBarrier(ep);
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}
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PADDLE_ENFORCE(rpc_client->Wait());
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}
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};
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class SendBarrierOpMaker : public framework::OpProtoAndCheckerMaker {
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public:
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SendBarrierOpMaker(OpProto* proto, OpAttrChecker* op_checker)
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: OpProtoAndCheckerMaker(proto, op_checker) {
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AddOutput("RPCClient",
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"(RPCClient) The RPC client object which is"
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"initialized at most once.");
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AddComment(R"DOC(
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SendBarrier operator
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This operator will send a send barrier signal to list_and_serv op, so that
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the Parameter Server would knew all variables have been sent.
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)DOC");
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AddAttr<std::vector<std::string>>("endpoints",
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"(string vector, default 127.0.0.1:6164)"
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"Server endpoints to send variables to.")
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.SetDefault({"127.0.0.1:6164"});
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}
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};
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class SendBarrierOpVarTypeInference : public framework::VarTypeInference {
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public:
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void operator()(const framework::OpDesc& op_desc,
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framework::BlockDesc* block) const override {
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auto out_var_name = op_desc.Output("RPCClient").front();
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auto& out_var = block->FindRecursiveOrCreateVar(out_var_name);
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auto var_type = framework::proto::VarType::RAW;
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out_var.SetType(var_type);
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}
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};
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class SendBarrierOpShapeInference : 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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} // namespace operators
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} // namespace paddle
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namespace ops = paddle::operators;
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REGISTER_OPERATOR(send_barrier, ops::SendBarrierOp,
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paddle::framework::EmptyGradOpMaker, ops::SendBarrierOpMaker,
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ops::SendBarrierOpVarTypeInference,
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ops::SendBarrierOpShapeInference);
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