You can not select more than 25 topics Topics must start with a chinese character,a letter or number, can include dashes ('-') and can be up to 35 characters long.

ge_ir_build.h 3.3 kB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114
  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 INC_EXTERNAL_GE_IR_BUILD_H_
  14. #define INC_EXTERNAL_GE_IR_BUILD_H_
  15. #include <string>
  16. #include <map>
  17. #include <memory>
  18. #include "graph/graph.h"
  19. #include "graph/ge_error_codes.h"
  20. namespace {
  21. #define IR_MAJOR_VERSION (int(1))
  22. #define IR_MINOR_VERSION (int(0))
  23. #define IR_PATCH_VERSION (int(0))
  24. }
  25. namespace ge{
  26. struct ModelBufferData
  27. {
  28. std::shared_ptr<uint8_t> data = nullptr;
  29. uint64_t length;
  30. };
  31. /**
  32. * @ingroup AscendCL
  33. * @brief build model.Notice the model is stored in buffer
  34. *
  35. * @param global_options[IN] global init params for build
  36. * @retval GRAPH_SUCCESS The function is successfully executed.
  37. * @retval OtherValues Failure
  38. */
  39. graphStatus aclgrphBuildInitialize(std::map<std::string, std::string> global_options);
  40. /**
  41. * @ingroup AscendCL
  42. * @brief build model.Notice the model is stored in buffer
  43. *
  44. */
  45. void aclgrphBuildFinalize();
  46. /**
  47. * @ingroup AscendCL
  48. * @brief build model.Notice the model is stored in buffer
  49. *
  50. * @param graph[IN] the graph ready to build
  51. * @param options[IN] options used for build
  52. * @param model[OUT] builded model
  53. * @retval GRAPH_SUCCESS The function is successfully executed.
  54. * @retval OtherValues Failure
  55. */
  56. graphStatus aclgrphBuildModel(const ge::Graph &graph, const std::map<std::string, std::string> &build_options, ModelBufferData& model);
  57. /**
  58. * @ingroup AscendCL
  59. * @brief save model buffer to file
  60. *
  61. * @param output_file[IN] the file path to be saved
  62. * @param model[IN] model buffer data
  63. * @retval GRAPH_SUCCESS The function is successfully executed.
  64. * @retval OtherValues Failure
  65. */
  66. graphStatus aclgrphSaveModel(const string &output_file, const ModelBufferData& model);
  67. /**
  68. * @ingroup AscendCL
  69. * @brief query IR interface version
  70. *
  71. * @param major_version[OUT] IR interface major version
  72. * @param minor_version[OUT] IR interface minor version
  73. * @param patch_version[OUT] IR interface patch version
  74. * @retval GRAPH_SUCCESS The function is successfully executed.
  75. * @retval OtherValues Failure
  76. */
  77. graphStatus aclgrphGetIRVersion(int *major_version, int *minor_version, int *patch_version);
  78. /**
  79. * @ingroup AscendCL
  80. * @brief infer shape and data type
  81. *
  82. * @param graph[IN] the graph ready to build
  83. * @retval GRAPH_SUCCESS The function is successfully executed.
  84. * @retval OtherValues Failure
  85. */
  86. graphStatus aclgrphInferShapeAndType(ge::Graph &graph);
  87. /**
  88. * @ingroup AscendCL
  89. * @brief dump graph
  90. *
  91. * @param graph[IN] the graph ready to build
  92. * @param file[IN] file path
  93. * @param file[IN] file path string len
  94. * @retval GRAPH_SUCCESS The function is successfully executed.
  95. * @retval OtherValues Failure
  96. */
  97. graphStatus aclgrphDumpGraph(const ge::Graph &graph, const char *file, const size_t len);
  98. }; // INC_EXTERNAL_GE_IR_BUILD_H_
  99. #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