You can not select more than 25 topics Topics must start with a chinese character,a letter or number, can include dashes ('-') and can be up to 35 characters long.

inner_session.h 3.5 kB

5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
5 years ago
4 years ago
5 years ago
5 years ago
4 years ago
5 years ago
5 years ago
4 years ago
5 years ago
5 years ago
5 years ago
5 years ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101
  1. /**
  2. * Copyright 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_SESSION_INNER_SESSION_H_
  17. #define GE_SESSION_INNER_SESSION_H_
  18. #include <map>
  19. #include <string>
  20. #include <vector>
  21. #include "framework/common/ge_types.h"
  22. #include "external/ge/ge_api_types.h"
  23. #include "graph/manager/graph_manager.h"
  24. #include "graph/execute/model_executor.h"
  25. namespace ge {
  26. class InnerSession {
  27. public:
  28. InnerSession(uint64_t session_id, const std::map<string, string> &options);
  29. ~InnerSession() = default;
  30. Status Initialize();
  31. Status AddGraph(uint32_t graph_id, const Graph &graph);
  32. Status AddGraph(uint32_t graph_id, const Graph &graph, const std::map<std::string, std::string> &options);
  33. Status AddGraphWithCopy(uint32_t graph_id, const Graph &graph, const std::map<std::string, std::string> &options);
  34. Status RunGraph(uint32_t graph_id, const std::vector<Tensor> &inputs, std::vector<Tensor> &outputs);
  35. Status RunGraphWithStreamAsync(uint32_t graph_id, rtStream_t stream, const std::vector<Tensor> &inputs,
  36. std::vector<Tensor> &outputs);
  37. Status RemoveGraph(uint32_t graph_id);
  38. Status BuildGraph(uint32_t graph_id, const std::vector<InputTensorInfo> &inputs);
  39. Status BuildGraph(uint32_t graph_id, const std::vector<ge::Tensor> &inputs);
  40. Status RunGraphAsync(uint32_t graph_id, const std::vector<ge::Tensor> &inputs, RunAsyncCallback callback);
  41. Status Finalize();
  42. Status GetAllVariables(std::map<std::string, GeTensorDesc> &all_variables);
  43. Status GenCheckPointGraph(const std::map<std::string, GeTensorDesc> &all_variables, Graph &graph);
  44. Status SaveVariables(const Graph &graph, const std::vector<std::string> &var_names,
  45. const std::vector<Tensor> &outputs, std::vector<Tensor> &var_values);
  46. Status GetVariable(const std::string &name, Tensor &val);
  47. Status RegisterCallBackFunc(
  48. const std::string &key,
  49. const std::function<Status(uint32_t, const std::map<std::string, ge::Tensor> &)> &callback);
  50. Status RegisterCallBackFunc(
  51. const std::string &key,
  52. const std::function<Status(uint32_t, const std::map<AscendString, ge::Tensor> &)> &callback);
  53. const GraphManager &getGraphManagerObj() const;
  54. bool IsGraphNeedRebuild(uint32_t graph_id);
  55. Status AddDumpProperties(const DumpProperties &dump_properties);
  56. Status RemoveDumpProperties();
  57. void SetRtSocVersion();
  58. private:
  59. Status InnerInitialize();
  60. Status InnerFinalize();
  61. bool init_flag_;
  62. uint64_t session_id_;
  63. std::map<string, string> options_;
  64. GraphManager graph_manager_;
  65. ModelExecutor model_executor_;
  66. std::mutex resource_mutex_; // AddGraph, RemoveGraph and Finalize use
  67. void UpdateThreadContext(const std::map<std::string, std::string> &options);
  68. void UpdateThreadContext(uint32_t graph_id);
  69. static bool is_dump_server_inited_;
  70. };
  71. } // namespace ge
  72. #endif // GE_SESSION_INNER_SESSION_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