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model_helper.h 5.1 kB

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  1. /**
  2. * Copyright (c) Huawei Technologies Co., Ltd. 2021. All rights reserved.
  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. #ifndef INC_FRAMEWORK_COMMON_HELPER_MODEL_HELPER_H_
  17. #define INC_FRAMEWORK_COMMON_HELPER_MODEL_HELPER_H_
  18. #include <memory>
  19. #include <string>
  20. #include "framework/common/helper/om_file_helper.h"
  21. #include "common/model/ge_model.h"
  22. #include "common/model/ge_root_model.h"
  23. #include "framework/common/types.h"
  24. #include "graph/model.h"
  25. namespace ge {
  26. class GE_FUNC_VISIBILITY ModelHelper {
  27. public:
  28. ModelHelper() = default;
  29. ~ModelHelper();
  30. Status SaveToOmModel(const GeModelPtr &ge_model, const SaveParam &save_param, const std::string &output_file,
  31. ge::ModelBufferData &model) const;
  32. Status SaveToOmRootModel(const GeRootModelPtr &ge_root_model, const SaveParam &save_param,
  33. const std::string &output_file, ModelBufferData &model, const bool is_unknown_shape);
  34. Status SaveOriginalGraphToOmModel(const ge::Graph &graph, const std::string &output_file);
  35. Status LoadModel(const ge::ModelData &model_data);
  36. Status LoadRootModel(const ge::ModelData &model_data);
  37. static void SetModelToGeModel(GeModelPtr &ge_model, Model &model);
  38. GeModelPtr GetGeModel();
  39. GeRootModelPtr GetGeRootModel();
  40. void SetSaveMode(const bool val) {
  41. is_offline_ = val;
  42. }
  43. bool GetModelType() const {
  44. return is_unknown_shape_model_;
  45. }
  46. Status GetBaseNameFromFileName(const std::string &file_name, std::string &base_name) const;
  47. Status GetModelNameFromMergedGraphName(const std::string &graph_name, std::string &model_name) const;
  48. private:
  49. bool is_assign_model_ = false;
  50. bool is_offline_ = true;
  51. bool is_unknown_shape_model_ = false;
  52. ModelFileHeader *file_header_ = nullptr;
  53. GeModelPtr model_;
  54. GeRootModelPtr root_model_;
  55. ModelHelper(const ModelHelper &) = default;
  56. ModelHelper &operator=(const ModelHelper &) = default;
  57. Status GenerateGeModel(OmFileLoadHelper &om_load_helper);
  58. Status GenerateGeRootModel(OmFileLoadHelper &om_load_helper);
  59. Status LoadModelData(OmFileLoadHelper &om_load_helper);
  60. Status LoadModelData(OmFileLoadHelper &om_load_helper, GeModelPtr &cur_model, const size_t mode_index) const;
  61. Status LoadWeights(OmFileLoadHelper &om_load_helper);
  62. Status LoadWeights(OmFileLoadHelper &om_load_helper, GeModelPtr &cur_model, const size_t mode_index) const;
  63. Status LoadTask(OmFileLoadHelper &om_load_helper);
  64. Status LoadTask(OmFileLoadHelper &om_load_helper, GeModelPtr &cur_model, const size_t mode_index) const;
  65. Status LoadTBEKernelStore(OmFileLoadHelper &om_load_helper);
  66. Status LoadTBEKernelStore(OmFileLoadHelper &om_load_helper, GeModelPtr &cur_model, const size_t mode_index) const;
  67. Status LoadCustAICPUKernelStore(OmFileLoadHelper &om_load_helper);
  68. Status LoadCustAICPUKernelStore(OmFileLoadHelper &om_load_helper, GeModelPtr &cur_model,
  69. const size_t mode_index) const;
  70. Status SaveModelPartition(std::shared_ptr<OmFileSaveHelper> &om_file_save_helper, const ModelPartitionType type,
  71. const uint8_t *const data, const size_t size, const size_t model_index) const;
  72. Status SaveModelDef(shared_ptr<OmFileSaveHelper> &om_file_save_helper, const GeModelPtr &ge_model,
  73. Buffer &model_buffer, const size_t model_index = 0U) const;
  74. Status SaveSizeToModelDef(const GeModelPtr &ge_model) const;
  75. Status SaveModelWeights(shared_ptr<OmFileSaveHelper> &om_file_save_helper, const GeModelPtr &ge_model,
  76. const size_t model_index = 0U) const;
  77. Status SaveModelTbeKernel(shared_ptr<OmFileSaveHelper> &om_file_save_helper, const GeModelPtr &ge_model,
  78. const size_t model_index = 0U) const;
  79. Status SaveModelCustAICPU(shared_ptr<OmFileSaveHelper> &om_file_save_helper, const GeModelPtr &ge_model,
  80. const size_t model_index = 0U) const;
  81. Status SaveModelTaskDef(shared_ptr<OmFileSaveHelper> &om_file_save_helper, const GeModelPtr &ge_model,
  82. Buffer &task_buffer, const size_t model_index = 0U) const;
  83. Status SaveModelHeader(shared_ptr<OmFileSaveHelper> &om_file_save_helper, const GeModelPtr &ge_model,
  84. const size_t model_num = 1U) const;
  85. Status SaveAllModelPartiton(shared_ptr<OmFileSaveHelper> &om_file_save_helper, const GeModelPtr &ge_model,
  86. Buffer &model_buffer, Buffer &task_buffer, const size_t model_index = 0U) const;
  87. };
  88. } // namespace ge
  89. #endif // INC_FRAMEWORK_COMMON_HELPER_MODEL_HELPER_H_

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