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Paddle/paddle/fluid/operators/distributed/request_handler_impl.h

132 lines
4.7 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 <time.h>
#include <functional>
#include <string>
#include <utility>
#include <vector>
#include "paddle/fluid/framework/data_type.h"
#include "paddle/fluid/framework/executor.h"
#include "paddle/fluid/framework/lod_tensor.h"
#include "paddle/fluid/framework/op_registry.h"
#include "paddle/fluid/framework/program_desc.h"
#include "paddle/fluid/framework/scope.h"
#include "paddle/fluid/framework/selected_rows.h"
#include "paddle/fluid/framework/var_type.h"
#include "paddle/fluid/operators/distributed/request_handler.h"
namespace paddle {
namespace operators {
namespace distributed {
class RequestSendHandler final : public RequestHandler {
public:
explicit RequestSendHandler(bool sync_mode, bool enable_dc_asgd = false)
: RequestHandler(sync_mode) {
enable_dc_asgd_ = enable_dc_asgd;
}
virtual ~RequestSendHandler() {}
bool Handle(const std::string& varname, framework::Scope* scope,
framework::Variable* var, framework::Variable** outvar,
const int trainer_id, const std::string& out_var_name = "",
const std::string& table_name = "") override;
private:
bool enable_dc_asgd_;
};
class RequestGetHandler final : public RequestHandler {
public:
explicit RequestGetHandler(bool sync_mode, bool enable_dc_asgd = false)
: RequestHandler(sync_mode) {
enable_dc_asgd_ = enable_dc_asgd;
}
virtual ~RequestGetHandler() {}
bool Handle(const std::string& varname, framework::Scope* scope,
framework::Variable* var, framework::Variable** outvar,
const int trainer_id, const std::string& out_var_name = "",
const std::string& table_name = "") override;
private:
bool enable_dc_asgd_;
};
class RequestGetNoBarrierHandler final : public RequestHandler {
public:
RequestGetNoBarrierHandler() : RequestHandler(false) {}
virtual ~RequestGetNoBarrierHandler() {}
bool Handle(const std::string& varname, framework::Scope* scope,
framework::Variable* var, framework::Variable** outvar,
const int trainer_id, const std::string& out_var_name = "",
const std::string& table_name = "") override;
};
static inline void BuildVar(const std::string& param_name,
std::initializer_list<const char*> arguments,
paddle::framework::proto::OpDesc::Var* var) {
var->set_parameter(param_name);
for (auto& arg_name : arguments) {
*var->mutable_arguments()->Add() = arg_name;
}
}
class RequestPrefetchHandler final : public RequestHandler {
public:
explicit RequestPrefetchHandler(bool sync_mode) : RequestHandler(sync_mode) {}
virtual ~RequestPrefetchHandler() {}
bool Handle(const std::string& varname, framework::Scope* scope,
framework::Variable* var, framework::Variable** outvar,
const int trainer_id, const std::string& out_var_name = "",
const std::string& table_name = "") override;
private:
std::unique_ptr<paddle::framework::OperatorBase> BuildLookupTableOp(
const std::string& table_name, const std::string& id_name,
const std::string& out_name) {
paddle::framework::proto::OpDesc op_desc;
op_desc.set_type("lookup_table");
BuildVar("W", {table_name.data()}, op_desc.add_inputs());
BuildVar("Ids", {id_name.data()}, op_desc.add_inputs());
BuildVar("Out", {out_name.data()}, op_desc.add_outputs());
auto op = paddle::framework::OpRegistry::CreateOp(op_desc);
return op;
}
};
class RequestCheckpointHandler final : public RequestHandler {
public:
explicit RequestCheckpointHandler(bool sync_mode, int checkpoint_notify_id)
: RequestHandler(sync_mode) {
this->checkpoint_notify_id = checkpoint_notify_id;
}
virtual ~RequestCheckpointHandler() {}
bool Handle(const std::string& varname, framework::Scope* scope,
framework::Variable* var, framework::Variable** outvar,
const int trainer_id, const std::string& out_var_name = "",
const std::string& table_name = "") override;
private:
int checkpoint_notify_id;
};
} // namespace distributed
} // namespace operators
} // namespace paddle