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ge_opt_info.cc 2.2 kB

4 years ago
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  1. /**
  2. * Copyright 2021 Huawei Technologies Co., Ltd
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. */
  16. #include "ge_opt_info/ge_opt_info.h"
  17. #include <string>
  18. #include <map>
  19. #include "graph/ge_local_context.h"
  20. #include "ge/ge_api_types.h"
  21. #include "common/debug/ge_log.h"
  22. #include "opt_info.h"
  23. namespace ge {
  24. Status GeOptInfo::SetOptInfo() {
  25. std::string soc_ver;
  26. graphStatus ret = GetThreadLocalContext().GetOption(SOC_VERSION, soc_ver);
  27. if (ret != GRAPH_SUCCESS) {
  28. REPORT_CALL_ERROR("E19999", "Get soc version failed.");
  29. GELOGE(FAILED, "[Get][SocVersion]Get soc version failed.");
  30. return FAILED;
  31. }
  32. GELOGD("Soc version:%s.", soc_ver.c_str());
  33. std::map<std::string, std::string> opt_info;
  34. // the first arg does not work at present.
  35. if (gelc::GetOptInfo(gelc::kOffline, soc_ver, opt_info) != gelc::SUCCESS) {
  36. REPORT_CALL_ERROR("E19999", "Get optional information failed, is_offline:%d, soc version:%s",
  37. gelc::kOffline, soc_ver.c_str());
  38. GELOGE(FAILED, "[Get][OptInfo]Get optional information failed, is_offline:%d, soc version:%s",
  39. gelc::kOffline, soc_ver.c_str());
  40. return FAILED;
  41. }
  42. // do nothing if get empty information
  43. if (opt_info.empty()) {
  44. GELOGI("Optional information is empty.");
  45. return SUCCESS;
  46. }
  47. std::map<std::string, std::string> graph_options = GetThreadLocalContext().GetAllGraphOptions();
  48. for (const auto &itr : opt_info) {
  49. graph_options.emplace(itr.first, itr.second);
  50. GELOGI("Get optional information success, key:%s, value:%s.", itr.first.c_str(), itr.second.c_str());
  51. }
  52. GetThreadLocalContext().SetGraphOption(graph_options);
  53. return SUCCESS;
  54. }
  55. } // namespace ge

图引擎模块(GE)是MindSpore的一个子模块,其代码由C++实现,位于前端模块ME和底层硬件之间,起到承接作用。图引擎模块以ME下发的图作为输入,然后进行一系列的深度图优化操作,最后输出一张可以在底层硬件上高效运行的图。GE针对昇腾AI处理器的硬件结构特点,做了特定的优化工作,以此来充分发挥出昇腾AI处理器的强大算力。在进行模型训练/推理时,GE会被自动调用而用户并不感知。GE主要由GE API和GE Core两部分组成,详细的架构图如下所示