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mindspore/mindspore/ccsrc/parallel/ps/util.h

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/**
* Copyright 2020 Huawei Technologies Co., Ltd
*
* 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.
*/
#ifndef MINDSPORE_MINDSPORE_CCSRC_PARALLEL_PS_UTIL_H_
#define MINDSPORE_MINDSPORE_CCSRC_PARALLEL_PS_UTIL_H_
#include <map>
#include <string>
#include <unordered_map>
#include "session/anf_runtime_algorithm.h"
namespace mindspore {
namespace parallel {
namespace ps {
class Util {
public:
static bool IsParamServerMode();
static bool IsRoleOfWorker();
static bool IsRoleOfPServer();
static bool IsRoleOfScheduler();
static void SetInternalEnvVar();
static int optimizer_id(std::string name);
static std::string optimizer_name(int id);
static bool is_optimizer(std::string name);
static int LocalShard(int first_dim, int rank_id, int server_num);
private:
static std::unordered_map<std::string, int> optimizer_to_ids;
static std::unordered_map<int, std::string> id_to_optimizers;
};
} // namespace ps
} // namespace parallel
} // namespace mindspore
#endif // MINDSPORE_MINDSPORE_CCSRC_PARALLEL_PS_UTIL_H_