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model.h 2.6 kB

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  1. /**
  2. * Copyright 2019-2020 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. #ifndef INC_GRAPH_MODEL_H_
  17. #define INC_GRAPH_MODEL_H_
  18. #include <map>
  19. #include <memory>
  20. #include <string>
  21. #include <vector>
  22. #include "detail/attributes_holder.h"
  23. #include "graph/ge_attr_value.h"
  24. #include "graph/graph.h"
  25. namespace domi {
  26. class ModelHelper;
  27. }
  28. namespace ge {
  29. using domi::ModelHelper;
  30. using std::map;
  31. using std::string;
  32. using std::vector;
  33. class GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY Model : public AttrHolder {
  34. public:
  35. Model();
  36. ~Model() = default;
  37. Model(const string &name, const string &custom_version);
  38. string GetName() const;
  39. void SetName(const string &name);
  40. uint32_t GetVersion() const;
  41. void SetVersion(uint32_t version) { version_ = version; }
  42. std::string GetPlatformVersion() const;
  43. void SetPlatformVersion(string version) { platform_version_ = version; }
  44. Graph GetGraph() const;
  45. void SetGraph(const Graph &graph);
  46. void SetAttr(const ProtoAttrMapHelper &attrs);
  47. using AttrHolder::GetAllAttrNames;
  48. using AttrHolder::GetAllAttrs;
  49. using AttrHolder::GetAttr;
  50. using AttrHolder::HasAttr;
  51. using AttrHolder::SetAttr;
  52. graphStatus Save(Buffer &buffer, bool is_dump = false) const;
  53. graphStatus SaveToFile(const string &file_name) const;
  54. // Model will be rewrite
  55. static graphStatus Load(const uint8_t *data, size_t len, Model &model);
  56. graphStatus Load(ge::proto::ModelDef &model_def);
  57. graphStatus LoadFromFile(const string &file_name);
  58. bool IsValid() const;
  59. protected:
  60. ConstProtoAttrMapHelper GetAttrMap() const override;
  61. ProtoAttrMapHelper MutableAttrMap() override;
  62. private:
  63. void Init();
  64. ProtoAttrMapHelper attrs_;
  65. friend class ModelSerializeImp;
  66. friend class GraphDebugImp;
  67. friend class OnnxUtils;
  68. friend class ModelHelper;
  69. friend class ModelBuilder;
  70. string name_;
  71. uint32_t version_;
  72. std::string platform_version_{""};
  73. Graph graph_;
  74. };
  75. } // namespace ge
  76. using ModelPtr = std::shared_ptr<ge::Model>;
  77. #endif // INC_GRAPH_MODEL_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