forked from huawei/mindspore2022
177 lines
7.0 KiB
C++
177 lines
7.0 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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#if defined(ENABLE_GPU)
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#include "runtime/device/gpu/distribution/collective_init.h"
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using CollectiveInitializer = mindspore::device::gpu::CollectiveInitializer;
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using CreateCommGroupFunc = mindspore::device::gpu::CreateCommGroupFunc;
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using GetRankIDByGroupFunc = mindspore::device::gpu::GetRankIDByGroupFunc;
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using GetGroupSizeFunc = mindspore::device::gpu::GetGroupSizeFunc;
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using DestroyGroupFunc = mindspore::device::gpu::DestroyGroupFunc;
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#endif
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namespace mindspore {
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#ifndef NO_DLIB
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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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#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 != 0) { \
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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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#elif defined(ENABLE_GPU)
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CommManager &CommManager::GetInstance() noexcept {
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static CommManager instance("nccl");
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return instance;
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}
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bool CommManager::CreateGroupSync(const string &group, const vector<unsigned int> &rank_id_list) const {
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const void *collective_handle_ = CollectiveInitializer::instance().collective_handle();
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if (!collective_handle_) {
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MS_LOG(EXCEPTION) << "GPU collective handle is not initialized.";
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}
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MS_LOG(INFO) << "Create communication group " << group << " by rank id list " << rank_id_list;
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auto create_comm_group_funcptr =
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reinterpret_cast<CreateCommGroupFunc>(dlsym(const_cast<void *>(collective_handle_), "CreateCommGroup"));
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MS_EXCEPTION_IF_NULL(create_comm_group_funcptr);
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bool ret = (*create_comm_group_funcptr)(group, rank_id_list);
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if (!ret) {
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MS_LOG(ERROR) << "Creating group " << group << "for rank id list" << rank_id_list << "failed.";
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return ret;
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}
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return ret;
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}
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bool CommManager::GetRankID(const string &group, unsigned int *rank_id) const {
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const void *collective_handle_ = CollectiveInitializer::instance().collective_handle();
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if (!collective_handle_) {
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MS_LOG(EXCEPTION) << "GPU collective handle is not initialized.";
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}
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auto get_rank_id_funcptr =
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reinterpret_cast<GetRankIDByGroupFunc>(dlsym(const_cast<void *>(collective_handle_), "GetRankIDByGroup"));
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MS_EXCEPTION_IF_NULL(get_rank_id_funcptr);
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int rank = (*get_rank_id_funcptr)(group);
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*rank_id = static_cast<unsigned int>(rank);
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MS_LOG(INFO) << "This process rank id is " << *rank_id << " in group " << group;
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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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const void *collective_handle_ = CollectiveInitializer::instance().collective_handle();
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if (!collective_handle_) {
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MS_LOG(EXCEPTION) << "GPU collective handle is not initialized.";
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}
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auto get_group_size_funcptr =
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reinterpret_cast<GetGroupSizeFunc>(dlsym(const_cast<void *>(collective_handle_), "GetGroupSize"));
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MS_EXCEPTION_IF_NULL(get_group_size_funcptr);
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int size = (*get_group_size_funcptr)(group);
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*rank_size = static_cast<unsigned int>(size);
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MS_LOG(INFO) << "Group " << group << " size is " << *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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const void *collective_handle_ = CollectiveInitializer::instance().collective_handle();
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if (!collective_handle_) {
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MS_LOG(EXCEPTION) << "GPU collective handle is not initialized.";
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}
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auto destroy_group_funcptr =
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reinterpret_cast<DestroyGroupFunc>(dlsym(const_cast<void *>(collective_handle_), "DestroyGroup"));
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MS_EXCEPTION_IF_NULL(destroy_group_funcptr);
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bool ret = (*destroy_group_funcptr)(group);
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if (!ret) {
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MS_LOG(ERROR) << "Destroying group " << group << " failed.";
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return ret;
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}
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return ret;
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}
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#else
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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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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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