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attr_value.h 1.9 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_GRAPH_ATTR_VALUE_H_
  17. #define INC_EXTERNAL_GRAPH_ATTR_VALUE_H_
  18. #include <map>
  19. #include <memory>
  20. #include <string>
  21. #include <vector>
  22. #include "./ge_error_codes.h"
  23. #include "ascend_string.h"
  24. using std::make_shared;
  25. using std::map;
  26. using std::pair;
  27. using std::string;
  28. using std::to_string;
  29. using std::unique_ptr;
  30. using std::vector;
  31. namespace ge {
  32. class AttrValueImpl;
  33. /*lint -e148*/
  34. class GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY AttrValue {
  35. public:
  36. using INT = int64_t;
  37. using FLOAT = float;
  38. using STR = std::string;
  39. AttrValue();
  40. ~AttrValue() = default;
  41. // GetValue, not list type
  42. template <typename T, typename DT>
  43. graphStatus GetValue(DT &val) const {
  44. T valGet;
  45. auto status = GetValue(valGet);
  46. if (status != GRAPH_SUCCESS) {
  47. return status;
  48. }
  49. val = DT(valGet);
  50. return GRAPH_SUCCESS;
  51. }
  52. template <typename T, typename DT>
  53. static T CreateFrom(DT &&val) {
  54. return val;
  55. }
  56. graphStatus GetValue(AscendString &val);
  57. std::shared_ptr<AttrValueImpl> impl;
  58. private:
  59. #define VALUE_SET_GET_DEC(DT) graphStatus GetValue(DT &val) const;
  60. VALUE_SET_GET_DEC(AttrValue::STR)
  61. VALUE_SET_GET_DEC(AttrValue::INT)
  62. VALUE_SET_GET_DEC(AttrValue::FLOAT)
  63. #undef VALUE_SET_GET_DEC
  64. };
  65. /*lint +e148*/
  66. } // namespace ge
  67. #endif // INC_EXTERNAL_GRAPH_ATTR_VALUE_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