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task.h 1.5 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_GE_RUNTIME_TASK_TASK_H_
  17. #define GE_GE_RUNTIME_TASK_TASK_H_
  18. #include <memory>
  19. #include <utility>
  20. #include <vector>
  21. #include <string>
  22. #include "runtime/rt_model.h"
  23. #include "ge_runtime/model_context.h"
  24. #include "framework/ge_runtime/task_info.h"
  25. #include "external/runtime/rt_error_codes.h"
  26. namespace ge {
  27. namespace model_runner {
  28. class Task {
  29. public:
  30. Task() {}
  31. virtual ~Task() {}
  32. virtual bool Distribute() = 0;
  33. virtual void *Args() { return nullptr; }
  34. virtual std::string task_name() const { return ""; }
  35. };
  36. template <class T>
  37. class TaskRepeater : public Task {
  38. static_assert(std::is_base_of<TaskInfo, T>(), "Wrong TaskInfo Type!");
  39. public:
  40. TaskRepeater(const ModelContext &model_context, std::shared_ptr<T> task_info) {}
  41. virtual ~TaskRepeater() {}
  42. virtual bool Distribute() = 0;
  43. };
  44. } // namespace model_runner
  45. } // namespace ge
  46. #endif // GE_GE_RUNTIME_TASK_TASK_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