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dvfsprofile.h 1.8 kB

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  1. /**
  2. * Copyright 2020 Huawei Technologies Co., Ltd
  3. * Licensed under the Apache License, Version 2.0 (the "License");
  4. * you may not use this file except in compliance with the License.
  5. * You may obtain a copy of the License at
  6. * http://www.apache.org/licenses/LICENSE-2.0
  7. * Unless required by applicable law or agreed to in writing, software
  8. * distributed under the License is distributed on an "AS IS" BASIS,
  9. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  10. * See the License for the specific language governing permissions and
  11. * limitations under the License.
  12. */
  13. #ifndef __CCE_RUNTIME_DVFSPROFILE_H__
  14. #define __CCE_RUNTIME_DVFSPROFILE_H__
  15. #include "base.h"
  16. #if defined(__cplusplus) && !defined(COMPILE_OMG_PACKAGE)
  17. extern "C" {
  18. #endif
  19. typedef enum dvfsProfileMode {
  20. DVFS_PROFILE_PERFORMANCE_PRIORITY,
  21. DVFS_PROFILE_BALANCE_PRIORITY,
  22. DVFS_PROFILE_POWER_PRIORITY,
  23. DVFS_PROFILE_PRIORITY_MAX
  24. } DvfsProfileMode;
  25. /**
  26. * @ingroup dvrt_dvfsprofile
  27. * @brief Set the performance mode of the device
  28. * @param [in] mode dvfsProfileMode
  29. * @return RT_ERROR_NONE for ok
  30. * @return RT_ERROR_INVALID_VALUE for error input
  31. */
  32. RTS_API rtError_t rtSetDvfsProfile(DvfsProfileMode mode);
  33. /**
  34. * @ingroup dvrt_dvfsprofile
  35. * @brief Set the performance mode of the device
  36. * @return RT_ERROR_NONE for ok
  37. * @return RT_ERROR_INVALID_VALUE for invalid value
  38. */
  39. RTS_API rtError_t rtUnsetDvfsProfile();
  40. /**
  41. * @ingroup dvrt_dvfsprofile
  42. * @brief Get the current performance mode of the device
  43. * @param [in|out] pmode dvfsProfileMode type pointer
  44. * @return RT_ERROR_NONE for ok
  45. * @return RT_ERROR_INVALID_VALUE for error input
  46. */
  47. RTS_API rtError_t rtGetDvfsProfile(DvfsProfileMode *pmode);
  48. #if defined(__cplusplus) && !defined(COMPILE_OMG_PACKAGE)
  49. }
  50. #endif
  51. #endif // __CCE_RUNTIME_PROFILE_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