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ge_ir_build.h 3.4 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. }
  28. namespace ge{
  29. struct ModelBufferData
  30. {
  31. std::shared_ptr<uint8_t> data = nullptr;
  32. uint64_t length;
  33. };
  34. /**
  35. * @ingroup AscendCL
  36. * @brief build model.Notice the model is stored in buffer
  37. *
  38. * @param global_options[IN] global init params for build
  39. * @retval GRAPH_SUCCESS The function is successfully executed.
  40. * @retval OtherValues Failure
  41. */
  42. graphStatus aclgrphBuildInitialize(std::map<std::string, std::string> global_options);
  43. /**
  44. * @ingroup AscendCL
  45. * @brief build model.Notice the model is stored in buffer
  46. *
  47. */
  48. void aclgrphBuildFinalize();
  49. /**
  50. * @ingroup AscendCL
  51. * @brief build model.Notice the model is stored in buffer
  52. *
  53. * @param graph[IN] the graph ready to build
  54. * @param options[IN] options used for build
  55. * @param model[OUT] builded model
  56. * @retval GRAPH_SUCCESS The function is successfully executed.
  57. * @retval OtherValues Failure
  58. */
  59. graphStatus aclgrphBuildModel(const ge::Graph &graph, const std::map<std::string, std::string> &build_options, 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. /**
  82. * @ingroup AscendCL
  83. * @brief infer shape and data type
  84. *
  85. * @param graph[IN] the graph ready to build
  86. * @retval GRAPH_SUCCESS The function is successfully executed.
  87. * @retval OtherValues Failure
  88. */
  89. graphStatus aclgrphInferShapeAndType(ge::Graph &graph);
  90. /**
  91. * @ingroup AscendCL
  92. * @brief dump graph
  93. *
  94. * @param graph[IN] the graph ready to build
  95. * @param file[IN] file path
  96. * @param file[IN] file path string len
  97. * @retval GRAPH_SUCCESS The function is successfully executed.
  98. * @retval OtherValues Failure
  99. */
  100. graphStatus aclgrphDumpGraph(const ge::Graph &graph, const char *file, const size_t len);
  101. }; // INC_EXTERNAL_GE_IR_BUILD_H_
  102. #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