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formats_definitions.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 GE_COMMON_FORMATS_UTILS_FORMATS_DEFINITIONS_H_
  17. #define GE_COMMON_FORMATS_UTILS_FORMATS_DEFINITIONS_H_
  18. namespace ge {
  19. namespace formats {
  20. static const int kCubeSize = 16;
  21. static const int kNiSize = 16;
  22. static const int64_t kShapeItemNumMAX = 1024UL * 1024UL * 1024UL * 1024UL;
  23. enum NchwDimIndex {
  24. kNchwN,
  25. kNchwC,
  26. kNchwH,
  27. kNchwW,
  28. kNchwDimsNum
  29. };
  30. enum NhwcDimIndex {
  31. kNhwcN,
  32. kNhwcH,
  33. kNhwcW,
  34. kNhwcC,
  35. kNhwcDimsNum
  36. };
  37. enum HwcnDimIndex {
  38. kHwcnH,
  39. kHwcnW,
  40. kHwcnC,
  41. kHwcnN,
  42. kHwcnDimsNum
  43. };
  44. enum Nc1hwc0DimIndex {
  45. kNc1hwc0N,
  46. kNc1hwc0C1,
  47. kNc1hwc0H,
  48. kNc1hwc0W,
  49. kNc1hwc0C0,
  50. kNc1hwc0DimsNum
  51. };
  52. enum C1hwncoc0DimIndex {
  53. kC1hwncoc0C1,
  54. kC1hwncoc0H,
  55. kC1hwncoc0W,
  56. kC1hwncoc0N,
  57. kC1hwncoc0Co,
  58. kC1hwncoc0C0,
  59. kC1hwncoc0DimsNum
  60. };
  61. enum FracZDimIndex {
  62. kFracZHWC1,
  63. kFracZN0,
  64. kFracZNi,
  65. kFracZC0,
  66. kFracZDimsNum
  67. };
  68. enum DhwcnDimIndex {
  69. kDhwcnD,
  70. kDhwcnH,
  71. kDhwcnW,
  72. kDhwcnC,
  73. kDhwcnN,
  74. kDhwcnDimsNum
  75. };
  76. enum DhwncDimIndex {
  77. kDhwncD,
  78. kDhwncH,
  79. kDhwncW,
  80. kDhwncN,
  81. kDhwncC,
  82. kDhwncDimsNum
  83. };
  84. } // namespace formats
  85. } // namespace ge
  86. #endif // GE_COMMON_FORMATS_UTILS_FORMATS_DEFINITIONS_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