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aicpu_engine.h 1.3 kB

5 years ago
5 years ago
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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 AICPU_ENGINE_H__
  17. #define AICPU_ENGINE_H__
  18. #ifdef __cplusplus
  19. extern "C" {
  20. #endif
  21. typedef enum {
  22. AE_STATUS_SUCCESS = 0,
  23. AE_STATUS_BAD_PARAM = 1,
  24. AE_STATUS_OPEN_SO_FAILED = 2,
  25. AE_STATUS_GET_KERNEL_NAME_FAILED = 3,
  26. AE_STATUS_INNER_ERROR = 4,
  27. AE_STATUS_KERNEL_API_INNER_ERROR = 5,
  28. AE_STATUS_END_OF_SEQUENCE = 6,
  29. AE_STATUS_DUMP_FAILED = 7,
  30. AE_STATUS_RESERVED
  31. } aeStatus_t;
  32. /**
  33. * @ingroup aicpu engine
  34. * @brief aeCallInterface:
  35. * a interface to call a function in a op kernfel lib
  36. * @param [in] addr void *, should be STR_KERNEL * format
  37. * @return aeStatus_t
  38. */
  39. aeStatus_t aeCallInterface(void *addr);
  40. #ifdef __cplusplus
  41. }
  42. #endif
  43. #endif // AICPU_ENGINE_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