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aicpu_ext_info.h 2.5 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_HYBRID_AICPU_EXT_INFO_H_
  17. #define GE_HYBRID_AICPU_EXT_INFO_H_
  18. #include "external/ge/ge_api_error_codes.h"
  19. #include "cce/fwk_adpt_struct.h"
  20. #include "graph/op_desc.h"
  21. #include "graph/ge_tensor.h"
  22. namespace ge {
  23. namespace hybrid {
  24. using AicpuShapeAndType = aicpu::FWKAdapter::ShapeAndType;
  25. using AicpuExtInfo = aicpu::FWKAdapter::ExtInfo;
  26. class AicpuExtInfoHandler {
  27. public:
  28. AicpuExtInfoHandler(std::string node_name, uint32_t input_num, uint32_t output_num, UnknowShapeOpType unknown_type)
  29. : node_name_(std::move(node_name)), input_num_(input_num), output_num_(output_num), unknown_type_(unknown_type) {}
  30. ~AicpuExtInfoHandler() = default;
  31. uint8_t *GetExtInfo() const { return ext_info_.get(); }
  32. size_t GetExtInfoLen() const { return ext_info_len_; }
  33. Status Parse(const std::string &ext_info);
  34. Status UpdateInputShapeAndType(uint32_t input_index, const GeTensorDesc &input_desc);
  35. Status UpdateOutputShapeAndType(uint32_t output_index, const GeTensorDesc &output_desc);
  36. Status GetOutputShapeAndType(uint32_t output_index, GeShape &shape, DataType &data_type);
  37. private:
  38. Status ParseExtShapeType(AicpuExtInfo *aicpu_ext_info);
  39. Status ParseExtInputShape(AicpuExtInfo *aicpu_ext_info);
  40. Status ParseExtOutputShape(AicpuExtInfo *aicpu_ext_info);
  41. static Status UpdateShapeAndType(const GeShape &shape, DataType data_type, AicpuShapeAndType *shape_and_type);
  42. static void GetShapeAndType(const AicpuShapeAndType *shape_and_type, GeShape &shape, DataType &data_type);
  43. private:
  44. const std::string node_name_;
  45. const uint32_t input_num_;
  46. const uint32_t output_num_;
  47. UnknowShapeOpType unknown_type_;
  48. std::unique_ptr<uint8_t[]> ext_info_;
  49. size_t ext_info_len_ = 0;
  50. std::vector<AicpuShapeAndType *> input_shape_and_type_;
  51. std::vector<AicpuShapeAndType *> output_shape_and_type_;
  52. };
  53. } // namespace hybrid
  54. } // namespace ge
  55. #endif // GE_HYBRID_AICPU_EXT_INFO_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