forked from huawei/mindspore2022
95 lines
3.7 KiB
C++
95 lines
3.7 KiB
C++
/**
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* Copyright 2019 Huawei Technologies Co., Ltd
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*/
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#include "utils/comm_manager.h"
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#include "utils/convert_utils.h"
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#ifndef NO_DLIB
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#include "hccl/hcom.h"
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#endif
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namespace mindspore {
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CommManager &CommManager::GetInstance() noexcept {
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static CommManager instance("hccl");
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return instance;
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}
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#ifndef NO_DLIB
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#define HCCL_RUN_CHECK(op_name, group, op) \
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do { \
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auto hccl_result = (op); \
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if (hccl_result != tagHcclResult::HCCL_SUCCESS) { \
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MS_LOG(ERROR) << op_name << " failed: #" << group << "#"; \
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return false; \
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} \
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} while (0)
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#define HCCL_GROUP_CHECK_EMPTY(group) \
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do { \
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if (group.length() == 0) { \
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MS_LOG(ERROR) << "The length of group name should not be 0"; \
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return false; \
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} \
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} while (0)
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#define HCCL_GROUP_CHECK_IS_WORLD(group) \
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do { \
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if (group == "hccl_world_group") { \
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MS_LOG(ERROR) << "The group name should not be hccl_world_group"; \
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return false; \
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} \
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} while (0)
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bool CommManager::CreateGroupSync(const string &group, const vector<unsigned int> &rank_id_list) const {
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auto rank_size = rank_id_list.size();
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HCCL_GROUP_CHECK_EMPTY(group);
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HCCL_GROUP_CHECK_IS_WORLD(group);
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HCCL_RUN_CHECK(string("create communicate group"), group,
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hcom_create_group(group.c_str(), UlongToUint(rank_size), vector<unsigned int>(rank_id_list).data()));
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return true;
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}
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bool CommManager::GetRankID(const string &group, unsigned int *rank_id) const {
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HCCL_GROUP_CHECK_EMPTY(group);
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HCCL_RUN_CHECK(string("get rank_id"), group, hcom_get_rank_id(group.c_str(), rank_id));
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return true;
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}
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bool CommManager::GetRankSize(const string &group, unsigned int *rank_size) const {
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HCCL_GROUP_CHECK_EMPTY(group);
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HCCL_RUN_CHECK(string("get rank size"), group, hcom_get_rank_size(group.c_str(), rank_size));
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return true;
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}
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bool CommManager::DestroyGroup(const string &group) const {
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HCCL_GROUP_CHECK_EMPTY(group);
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HCCL_GROUP_CHECK_IS_WORLD(group);
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HCCL_RUN_CHECK(string("destroy communicate group"), group, hcom_destroy_group(group.c_str()));
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return true;
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}
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#else
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bool CommManager::CreateGroupSync(const string &, const vector<unsigned int> &) const { return true; }
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bool CommManager::GetRankID(const string &group, unsigned int *rank_id) const { return true; }
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bool CommManager::GetRankSize(const string &group, unsigned int *rank_size) const {
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*rank_size = NO_COMM_DLIB_RANK_SIZE;
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return true;
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}
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bool CommManager::DestroyGroup(const string &group) const { return true; }
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#endif
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} // namespace mindspore
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