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55 lines
2.0 KiB
55 lines
2.0 KiB
7 years ago
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/* 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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bool RPCClient::SendVariable(const framework::Scope& scope,
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const std::string& inname,
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const std::string& outname) {
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ClientContext context;
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VariableMessage msg, out_msg;
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// FIXME(typhoonzero): pass device context to here.
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auto ctx = platform::CPUDeviceContext();
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auto* var = scope.FindVar(inname);
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PADDLE_ENFORCE(var);
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// TODO(typhoonzero): support SelectedRows
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PADDLE_ENFORCE(var->IsType<framework::LoDTensor>(),
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"Only support LoDTensor, %s has wrong type", inname);
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const framework::LoDTensor& tensor = var->Get<framework::LoDTensor>();
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std::ostringstream oss;
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framework::SerializeToStream(oss, tensor, ctx);
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msg.set_varname(inname);
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msg.set_serialized(oss.str());
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Status status = stub_->SendVariable(&context, msg, &out_msg);
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if (!status.ok()) {
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return false;
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}
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std::istringstream iss(out_msg.serialized());
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framework::LoDTensor ret_tensor;
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framework::DeserializeFromStream(iss, &ret_tensor);
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auto* outvar = scope.FindVar(outname);
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framework::LoDTensor* out_tensor = outvar->GetMutable<framework::LoDTensor>();
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// FIXME(typhoonzero): do not copy.
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framework::CopyFrom(ret_tensor, ctx.GetPlace(), ctx, out_tensor);
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return true;
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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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