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index_transform.h 1.1 kB

4 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 INC_TDT_INDEX_TRANSFORM_H
  17. #define INC_TDT_INDEX_TRANSFORM_H
  18. #include "stdint.h"
  19. /**
  20. * @ingroup IndexTransform
  21. * @brief get logical device id by phy device id.
  22. *
  23. * @par Function get logical device id by phy device id.
  24. *
  25. * @param phyId [IN] physical device id
  26. * @param logicalId [OUT] logical device id
  27. * @retval 0 Success
  28. * @retval OtherValues Fail
  29. *
  30. * @par Dependency
  31. * @li libruntime.so: Library to which the interface belongs.
  32. */
  33. int32_t IndexTransform(const uint32_t phyId, uint32_t &logicId);
  34. #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