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exe_graph_executor.h 1.9 kB

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  1. /**
  2. * Copyright (c) Huawei Technologies Co., Ltd. 2022. All rights reserved.
  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 AIR_CXX_INC_FRAMEWORK_RUNTIME_EXE_GRAPH_EXECUTOR_H_
  17. #define AIR_CXX_INC_FRAMEWORK_RUNTIME_EXE_GRAPH_EXECUTOR_H_
  18. #include "graph/ge_error_codes.h"
  19. #include "common/ge_visibility.h"
  20. #include "exe_graph_resource_guard.h"
  21. #include "subscriber/executor_subscriber_c.h"
  22. namespace gert {
  23. class VISIBILITY_EXPORT ExeGraphExecutor {
  24. public:
  25. ge::graphStatus Load() const {
  26. return ge::GRAPH_SUCCESS;
  27. }
  28. ge::graphStatus UnLoad() const {
  29. return ge::GRAPH_SUCCESS;
  30. }
  31. /**
  32. * 设置图执行的输入/输出,需要注意的是,使用者需要自己保证inputs/outputs刷新完全!!!
  33. */
  34. ge::graphStatus SpecifyInputs(void **inputs, size_t start, size_t num);
  35. ge::graphStatus SpecifyOutputs(void **outputs, size_t num);
  36. ge::graphStatus Execute();
  37. ge::graphStatus Execute(ExecutorSubscriber *callback);
  38. const void *GetExecutionData() const {
  39. return execution_data_;
  40. }
  41. ResourceGuard &GetResourceGuard();
  42. void *SetExecutionData(std::unique_ptr<uint8_t[]> execution_data);
  43. private:
  44. friend class ModelV2ExecutorTestHelper;
  45. void *execution_data_{nullptr};
  46. ResourceGuard resource_guard_;
  47. };
  48. } // namespace gert
  49. #endif // AIR_CXX_INC_FRAMEWORK_RUNTIME_EXE_GRAPH_EXECUTOR_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