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model_desc.h 3.1 kB

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  1. /**
  2. * Copyright (c) Huawei Technologies Co., Ltd. 2022. 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 AIR_CXX_INC_FRAMEWORK_RUNTIME_MODEL_DESC_H_
  17. #define AIR_CXX_INC_FRAMEWORK_RUNTIME_MODEL_DESC_H_
  18. #include "common/ge_types.h"
  19. #include "common/ge_visibility.h"
  20. #include "exe_graph/runtime/shape.h"
  21. #include "exe_graph/runtime/continuous_vector.h"
  22. #include "exe_graph/runtime/storage_format.h"
  23. #include "exe_graph/runtime/storage_shape.h"
  24. namespace gert {
  25. class VISIBILITY_EXPORT ShapeRange {
  26. public:
  27. const Shape &GetMin() const;
  28. const Shape &GetMax() const;
  29. Shape &MutableMin();
  30. Shape &MutableMax();
  31. private:
  32. Shape min_;
  33. Shape max_;
  34. };
  35. class VISIBILITY_EXPORT ModelIoDesc {
  36. public:
  37. const char *GetName() const;
  38. int32_t GetDataType() const;
  39. ge::Format GetStorageFormat() const;
  40. ge::Format GetOriginFormat() const;
  41. int64_t GetSize() const;
  42. const Shape &GetStorageShape() const;
  43. const Shape &GetOriginShape() const;
  44. const ShapeRange &GetOriginShapeRange() const;
  45. const ShapeRange &GetStorageShapeRange() const;
  46. void SetName(const char *name);
  47. void SetDataType(int32_t data_type);
  48. void SetStorageFormat(ge::Format format);
  49. void SetOriginFormat(ge::Format format);
  50. Shape &MutableStorageShape();
  51. Shape &MutableOriginShape();
  52. ShapeRange &MutableOriginShapeRange();
  53. ShapeRange &MutableStorageShapeRange();
  54. private:
  55. const char *name_;
  56. int32_t data_type_;
  57. StorageFormat format_;
  58. StorageShape shape_;
  59. ShapeRange storage_shape_range_;
  60. ShapeRange origin_shape_range_;
  61. };
  62. class VISIBILITY_EXPORT ModelDesc {
  63. public:
  64. static size_t CalcSize(size_t input_num, size_t output_num);
  65. const ModelIoDesc *GetInputDesc(size_t index) const;
  66. const ModelIoDesc *GetAllInputsDesc(size_t &input_num) const;
  67. const ModelIoDesc *GetOutputDesc(size_t index) const;
  68. const ModelIoDesc *GetAllOutputsDesc(size_t &output_num) const;
  69. ModelIoDesc *MutableInputDesc(size_t index);
  70. ModelIoDesc *MutableOutputDesc(size_t index);
  71. ModelIoDesc *AllMutableIoDesc(size_t &input_num, size_t &output_num);
  72. void SetInputNum(size_t input_num);
  73. void SetOutputNum(size_t output_num);
  74. ge::graphStatus GetDynamicBatchInfo(std::vector<std::vector<int64_t>> &batch_info, int32_t &dynamic_type) const;
  75. ge::graphStatus GetUserDesignateShapeOrder(std::vector<std::string> &user_designate_shape_order) const;
  76. ge::graphStatus GetModelAttrs(std::vector<std::string> &attrs) const;
  77. private:
  78. size_t input_num_;
  79. size_t output_num_;
  80. ContinuousVector model_io_descs_;
  81. };
  82. } // namespace gert
  83. #endif // AIR_CXX_INC_FRAMEWORK_RUNTIME_MODEL_DESC_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