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dvfsprofile.h 1.8 kB

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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 __CCE_RUNTIME_DVFSPROFILE_H__
  17. #define __CCE_RUNTIME_DVFSPROFILE_H__
  18. #include "base.h"
  19. #if defined(__cplusplus) && !defined(COMPILE_OMG_PACKAGE)
  20. extern "C" {
  21. #endif
  22. typedef enum dvfsProfileMode {
  23. DVFS_PROFILE_PERFORMANCE_PRIORITY,
  24. DVFS_PROFILE_BALANCE_PRIORITY,
  25. DVFS_PROFILE_POWER_PRIORITY,
  26. DVFS_PROFILE_PRIORITY_MAX
  27. } DvfsProfileMode;
  28. /**
  29. * @ingroup dvrt_dvfsprofile
  30. * @brief Set the performance mode of the device
  31. * @param [in] mode dvfsProfileMode
  32. * @return RT_ERROR_NONE for ok
  33. * @return RT_ERROR_INVALID_VALUE for error input
  34. */
  35. RTS_API rtError_t rtSetDvfsProfile(DvfsProfileMode mode);
  36. /**
  37. * @ingroup dvrt_dvfsprofile
  38. * @brief Set the performance mode of the device
  39. * @return RT_ERROR_NONE for ok
  40. * @return RT_ERROR_INVALID_VALUE for invalid value
  41. */
  42. RTS_API rtError_t rtUnsetDvfsProfile();
  43. /**
  44. * @ingroup dvrt_dvfsprofile
  45. * @brief Get the current performance mode of the device
  46. * @param [in|out] pmode dvfsProfileMode type pointer
  47. * @return RT_ERROR_NONE for ok
  48. * @return RT_ERROR_INVALID_VALUE for error input
  49. */
  50. RTS_API rtError_t rtGetDvfsProfile(DvfsProfileMode *pmode);
  51. #if defined(__cplusplus) && !defined(COMPILE_OMG_PACKAGE)
  52. }
  53. #endif
  54. #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