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gert_api.h 2.3 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_GERT_API_H_
  17. #define AIR_CXX_INC_FRAMEWORK_RUNTIME_GERT_API_H_
  18. #include "model_v2_executor.h"
  19. #include "stream_executor.h"
  20. #include "common/ge_types.h"
  21. #include "common/ge_visibility.h"
  22. #include "mem_allocator.h"
  23. namespace gert {
  24. VISIBILITY_EXPORT
  25. std::unique_ptr<ModelV2Executor> LoadExecutorFromFile(const ge::char_t *model_path, ge::graphStatus &error_code);
  26. VISIBILITY_EXPORT
  27. std::unique_ptr<ModelV2Executor> LoadExecutorFromModelData(const ge::ModelData &model_data,
  28. ge::graphStatus &error_code);
  29. VISIBILITY_EXPORT
  30. std::unique_ptr<StreamExecutor> LoadStreamExecutorFromModelData(const ge::ModelData &model_data, const void *weight_ptr,
  31. const size_t weight_size, ge::graphStatus &error_code);
  32. VISIBILITY_EXPORT
  33. ge::graphStatus IsDynamicModel(const void *const model, size_t model_size, bool &is_dynamic_model);
  34. VISIBILITY_EXPORT
  35. ge::graphStatus IsDynamicModel(const ge::char_t *model_path, bool &is_dynamic_model);
  36. VISIBILITY_EXPORT
  37. ge::graphStatus LoadDataFromFile(const ge::char_t *model_path, ge::ModelData &model_data);
  38. VISIBILITY_EXPORT
  39. std::unique_ptr<ModelV2Executor> LoadExecutorFromModelDataWithMem(const ge::ModelData &model_data,
  40. ge::graphStatus &error_code, const void *weight_ptr,
  41. const size_t weight_size);
  42. VISIBILITY_EXPORT
  43. std::unique_ptr<ExternalAllocators> CreateDefaultAllocator();
  44. } // namespace gert
  45. #endif // AIR_CXX_INC_FRAMEWORK_RUNTIME_GERT_API_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