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model_parser.h 2.0 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. #ifndef GE_COMMON_MODEL_PARSER_BASE_H_
  17. #define GE_COMMON_MODEL_PARSER_BASE_H_
  18. #include <securec.h>
  19. #include <memory>
  20. #include "framework/common/debug/log.h"
  21. #include "framework/common/ge_types.h"
  22. #include "framework/common/types.h"
  23. #include "framework/common/util.h"
  24. namespace ge {
  25. class ModelParserBase {
  26. public:
  27. /**
  28. * @ingroup hiai
  29. * @brief constructor
  30. */
  31. ModelParserBase();
  32. /**
  33. * @ingroup hiai
  34. * @brief destructor
  35. */
  36. ~ModelParserBase();
  37. /**
  38. * @ingroup hiai
  39. * @brief Parsing a model file
  40. * @param [in] model_file model path
  41. * @param [in] priority modle priority
  42. * @param [out] model_data model data
  43. * @return Status result
  44. */
  45. static Status LoadFromFile(const char *model_file, int32_t priority,
  46. ge::ModelData &model_data);
  47. /**
  48. * @ingroup domi_ome
  49. * @brief Parse model contents from the ModelData
  50. * @param [in] model model data read from file
  51. * @param [out] model_data address of the model data
  52. * @param [out] model_len model actual length
  53. * If the input is an encrypted model, it needs to be deleted
  54. * @return SUCCESS success
  55. * @return others failure
  56. * @author
  57. */
  58. static Status ParseModelContent(const ge::ModelData &model, uint8_t *&model_data, uint32_t &model_len);
  59. };
  60. } // namespace ge
  61. #endif // GE_COMMON_MODEL_PARSER_BASE_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