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tune_api.h 2.3 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. /** @defgroup mstune mstune调优接口 */
  17. #ifndef TUNE_API_H
  18. #define TUNE_API_H
  19. #include <vector>
  20. #include <map>
  21. #include <string>
  22. #include "graph/graph.h"
  23. #include "ge/ge_api.h"
  24. /**
  25. * @ingroup mstune
  26. *
  27. * mstune status
  28. */
  29. enum MsTuneStatus {
  30. MSTUNE_SUCCESS, /** tune success */
  31. MSTUNE_FAILED, /** tune failed */
  32. };
  33. // Option key: for train options sets
  34. const std::string MSTUNE_SELF_KEY = "mstune";
  35. const std::string MSTUNE_GEINIT_KEY = "initialize";
  36. const std::string MSTUNE_GESESS_KEY = "session";
  37. /**
  38. * @ingroup mstune
  39. * @par 描述: 命令行调优
  40. *
  41. * @attention 无
  42. * @param option [IN] 调优参数
  43. * @param msg [OUT] 调优异常下返回信息
  44. * @retval #MSTUNE_SUCCESS 执行成功
  45. * @retval #MSTUNE_FAILED 执行失败
  46. * @par 依赖:
  47. * @li tune_api.cpp:该接口所属的开发包。
  48. * @li tune_api.h:该接口声明所在的头文件。
  49. * @see 无
  50. * @since
  51. */
  52. MsTuneStatus MsTuning(const std::map<std::string, std::string> &option, std::string &msg);
  53. /**
  54. * @ingroup mstune
  55. * @par 描述: 梯度调优
  56. *
  57. * @attention 无
  58. * @param tuningGraph [IN] 调优图
  59. * @param dependGraph [IN] 调优依赖图
  60. * @param session [IN] ge连接会话
  61. * @param option [IN] 参数集. 包含调优参数及ge参数
  62. * @retval #MSTUNE_SUCCESS 执行成功
  63. * @retval #MSTUNE_FAILED 执行失败
  64. * @par 依赖:
  65. * @li tune_api.cpp:该接口所属的开发包。
  66. * @li tune_api.h:该接口声明所在的头文件。
  67. * @see 无
  68. * @since
  69. */
  70. extern "C" MsTuneStatus MsTrainTuning(ge::Graph &tuningGraph, std::vector<ge::Graph> &dependGraph,
  71. ge::Session *session, const std::map<std::string, std::map<std::string, std::string>> &option);
  72. #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