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77 lines
2.4 KiB
77 lines
2.4 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 "send_recv_impl.h"
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namespace paddle {
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namespace operators {
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namespace detail {
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Status SendRecvServerImpl::SendVariable(ServerContext *context,
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const VariableMessage *in_var,
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VoidMessage *out_var) {
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// TODO(typhoonzero): support different variable types.
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std::istringstream iss(in_var->serialized());
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framework::LoDTensor t;
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framework::DeserializeFromStream(iss, &t);
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TensorWithName tensor_with_name =
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std::make_pair(in_var->varname(), std::move(t));
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var_recv_queue_.Push(std::move(tensor_with_name));
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return Status::OK;
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}
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Status SendRecvServerImpl::GetVariable(ServerContext *context,
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const VariableMessage *in_var,
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VariableMessage *out_var) {
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std::string get_var_name = in_var->varname();
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auto *var = scope_->FindVar(get_var_name);
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auto tensor = var->Get<framework::LoDTensor>();
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std::ostringstream oss;
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framework::SerializeToStream(oss, tensor, platform::CPUDeviceContext());
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std::string *varname = out_var->mutable_varname();
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*varname = get_var_name;
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std::string *serialized = out_var->mutable_serialized();
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*serialized = oss.str();
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return Status::OK;
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}
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Status SendRecvServerImpl::Wait(ServerContext *context,
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const VoidMessage *in_var,
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VoidMessage *out_var) {
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{
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std::unique_lock<std::mutex> lock(this->mutex_);
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condition_.wait(lock, [=] { return this->done_ == true; });
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}
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return Status::OK;
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}
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void SendRecvServerImpl::Reset() {
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std::lock_guard<std::mutex> lock(this->mutex_);
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done_ = false;
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}
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void SendRecvServerImpl::Done() {
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{
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std::lock_guard<std::mutex> lock(this->mutex_);
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done_ = true;
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}
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condition_.notify_all();
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}
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} // namespace detail
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} // namespace operators
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} // namespace paddle
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