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ge_ir_build.h 2.8 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 INC_EXTERNAL_GE_IR_BUILD_H_
  17. #define INC_EXTERNAL_GE_IR_BUILD_H_
  18. #include <string>
  19. #include <map>
  20. #include <memory>
  21. #include "graph/graph.h"
  22. #include "graph/ge_error_codes.h"
  23. namespace {
  24. #define IR_MAJOR_VERSION (int(1))
  25. #define IR_MINOR_VERSION (int(0))
  26. #define IR_PATCH_VERSION (int(0))
  27. } // namespace
  28. namespace ge {
  29. struct ModelBufferData {
  30. std::shared_ptr<uint8_t> data = nullptr;
  31. uint64_t length;
  32. };
  33. /**
  34. * @ingroup AscendCL
  35. * @brief build model.Notice the model is stored in buffer
  36. *
  37. * @param global_options[IN] global init params for build
  38. * @retval GRAPH_SUCCESS The function is successfully executed.
  39. * @retval OtherValues Failure
  40. */
  41. graphStatus aclgrphBuildInitialize(std::map<std::string, std::string> global_options);
  42. /**
  43. * @ingroup AscendCL
  44. * @brief build model.Notice the model is stored in buffer
  45. *
  46. */
  47. void aclgrphBuildFinalize();
  48. /**
  49. * @ingroup AscendCL
  50. * @brief build model.Notice the model is stored in buffer
  51. *
  52. * @param graph[IN] the graph ready to build
  53. * @param options[IN] options used for build
  54. * @param model[OUT] builded model
  55. * @retval GRAPH_SUCCESS The function is successfully executed.
  56. * @retval OtherValues Failure
  57. */
  58. graphStatus aclgrphBuildModel(const ge::Graph &graph, const std::map<std::string, std::string> &build_options,
  59. ModelBufferData &model);
  60. /**
  61. * @ingroup AscendCL
  62. * @brief save model buffer to file
  63. *
  64. * @param output_file[IN] the file path to be saved
  65. * @param model[IN] model buffer data
  66. * @retval GRAPH_SUCCESS The function is successfully executed.
  67. * @retval OtherValues Failure
  68. */
  69. graphStatus aclgrphSaveModel(const string &output_file, const ModelBufferData &model);
  70. /**
  71. * @ingroup AscendCL
  72. * @brief query IR interface version
  73. *
  74. * @param major_version[OUT] IR interface major version
  75. * @param minor_version[OUT] IR interface minor version
  76. * @param patch_version[OUT] IR interface patch version
  77. * @retval GRAPH_SUCCESS The function is successfully executed.
  78. * @retval OtherValues Failure
  79. */
  80. graphStatus aclgrphGetIRVersion(int *major_version, int *minor_version, int *patch_version);
  81. }; // namespace ge
  82. #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