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ge_local_engine.cc 2.6 kB

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  1. /**
  2. * Copyright 2020 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_local_engine/engine/ge_local_engine.h"
  17. #include <map>
  18. #include <memory>
  19. #include <string>
  20. #include "framework/common/debug/ge_log.h"
  21. #include "framework/common/ge_inner_error_codes.h"
  22. #include "ge_local_engine/common/constant/constant.h"
  23. #include "common/ge/ge_util.h"
  24. #include "ge_local_engine/ops_kernel_store/ge_local_ops_kernel_info.h"
  25. namespace ge {
  26. namespace ge_local {
  27. GeLocalEngine &GeLocalEngine::Instance() {
  28. static GeLocalEngine instance;
  29. return instance;
  30. }
  31. Status GeLocalEngine::Initialize(const std::map<string, string> &options) {
  32. if (ops_kernel_store_ == nullptr) {
  33. ops_kernel_store_ = MakeShared<GeLocalOpsKernelInfoStore>();
  34. if (ops_kernel_store_ == nullptr) {
  35. REPORT_CALL_ERROR("E19999", "create GeLocalOpsKernelInfoStore failed.");
  36. GELOGE(FAILED, "[Call][MakeShared] Make GeLocalOpsKernelInfoStore failed.");
  37. return FAILED;
  38. }
  39. }
  40. return SUCCESS;
  41. }
  42. void GeLocalEngine::GetOpsKernelInfoStores(std::map<std::string, OpsKernelInfoStorePtr> &ops_kernel_map) {
  43. if (ops_kernel_store_ != nullptr) {
  44. // add buildin opsKernel to opsKernelInfoMap
  45. ops_kernel_map[kGeLocalOpKernelLibName] = ops_kernel_store_;
  46. }
  47. }
  48. void GeLocalEngine::GetGraphOptimizerObjs(std::map<std::string, GraphOptimizerPtr> &) {
  49. // no optimizer for ge local engine
  50. }
  51. Status GeLocalEngine::Finalize() {
  52. ops_kernel_store_ = nullptr;
  53. return SUCCESS;
  54. }
  55. } // namespace ge_local
  56. } // namespace ge
  57. ge::Status Initialize(const std::map<string, string> &options) {
  58. return ge::ge_local::GeLocalEngine::Instance().Initialize(options);
  59. }
  60. void GetOpsKernelInfoStores(std::map<std::string, OpsKernelInfoStorePtr> &ops_kernel_map) {
  61. ge::ge_local::GeLocalEngine::Instance().GetOpsKernelInfoStores(ops_kernel_map);
  62. }
  63. void GetGraphOptimizerObjs(std::map<std::string, GraphOptimizerPtr> &graph_optimizers) {
  64. ge::ge_local::GeLocalEngine::Instance().GetGraphOptimizerObjs(graph_optimizers);
  65. }
  66. ge::Status Finalize() { return ge::ge_local::GeLocalEngine::Instance().Finalize(); }

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