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index_transform.h 698 B

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  1. /**
  2. * @file index_transform.h
  3. *
  4. * Copyright (C) Huawei Technologies Co., Ltd. 2018-2019. All Rights Reserved.
  5. *
  6. * This program is used to get logical device id by phy device id.
  7. */
  8. #ifndef INC_TDT_INDEX_TRANSFORM_H
  9. #define INC_TDT_INDEX_TRANSFORM_H
  10. #include "stdint.h"
  11. /**
  12. * @ingroup IndexTransform
  13. * @brief get logical device id by phy device id.
  14. *
  15. * @par Function get logical device id by phy device id.
  16. *
  17. * @param phyId [IN] physical device id
  18. * @param logicalId [OUT] logical device id
  19. * @retval 0 Success
  20. * @retval OtherValues Fail
  21. *
  22. * @par Dependency
  23. * @li libruntime.so: Library to which the interface belongs.
  24. */
  25. int32_t IndexTransform(const uint32_t phyId, uint32_t &logicId);
  26. #endif

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