You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
2.8 KiB
105 lines
2.8 KiB
// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#pragma once
|
|
|
|
#include <condition_variable> // NOLINT
|
|
#include <memory>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "gflags/gflags.h"
|
|
#include "paddle/fluid/framework/data_type.h"
|
|
#include "paddle/fluid/framework/lod_tensor.h"
|
|
#include "paddle/fluid/framework/scope.h"
|
|
#include "paddle/fluid/operators/distributed/distributed.h"
|
|
#include "paddle/fluid/operators/distributed/request_handler.h"
|
|
|
|
namespace paddle {
|
|
namespace framework {
|
|
class Scope;
|
|
class SelectedRows;
|
|
} // namespace framework
|
|
namespace platform {
|
|
class DeviceContext;
|
|
} // namespace platform
|
|
} // namespace paddle
|
|
|
|
DECLARE_int32(rpc_deadline);
|
|
|
|
namespace paddle {
|
|
namespace operators {
|
|
namespace distributed {
|
|
|
|
inline std::string GetSelectedRowsInfo(const framework::SelectedRows& slr) {
|
|
std::stringstream ss;
|
|
ss << ", height:" << slr.height() << ", rows:[";
|
|
for (unsigned int i = 0; i < slr.rows().size(); i++) {
|
|
if (i != slr.rows().size() - 1) {
|
|
ss << slr.rows()[i] << ",";
|
|
} else {
|
|
ss << slr.rows()[i];
|
|
}
|
|
}
|
|
ss << "], dims:" << slr.value().dims();
|
|
return ss.str();
|
|
}
|
|
|
|
struct RemoteVar {
|
|
std::string ep_;
|
|
std::string var_name_;
|
|
int trainer_id_{0};
|
|
|
|
std::string String() {
|
|
std::stringstream ss;
|
|
ss << "ep:" << ep_ << ", var_name:" << var_name_
|
|
<< ", trainer_id:" << trainer_id_;
|
|
|
|
return ss.str();
|
|
}
|
|
};
|
|
|
|
class CollectiveClient {
|
|
public:
|
|
CollectiveClient() {
|
|
rpc_client_.reset(new RPCCLIENT_T());
|
|
rpc_client_->InitImpl();
|
|
}
|
|
virtual ~CollectiveClient() {}
|
|
|
|
// note this function will retain the rank order.
|
|
bool Gather(const std::vector<RemoteVar>& remote_vars,
|
|
std::vector<const framework::SelectedRows*>* dst,
|
|
const platform::DeviceContext& ctx, framework::Scope* scope,
|
|
int64_t time_out = FLAGS_rpc_deadline);
|
|
|
|
static CollectiveClient* GetInstance() {
|
|
std::call_once(init_flag_, [&]() {
|
|
if (client_.get() == nullptr) {
|
|
client_.reset(new CollectiveClient());
|
|
}
|
|
});
|
|
return client_.get();
|
|
}
|
|
|
|
private:
|
|
std::unique_ptr<RPCClient> rpc_client_;
|
|
|
|
static std::once_flag init_flag_;
|
|
static std::unique_ptr<CollectiveClient> client_;
|
|
};
|
|
} // namespace distributed
|
|
} // namespace operators
|
|
} // namespace paddle
|