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graph_builder.h 3.5 kB

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  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_GRAPH_BUILD_GRAPH_BUILD_H_
  17. #define GE_GRAPH_BUILD_GRAPH_BUILD_H_
  18. #include <fstream>
  19. #include <iostream>
  20. #include <map>
  21. #include <memory>
  22. #include <string>
  23. #include <vector>
  24. #include "framework/common/debug/log.h"
  25. #include "common/debug/memory_dumper.h"
  26. #include "common/properties_manager.h"
  27. #include "framework/common/string_util.h"
  28. #include "framework/common/types.h"
  29. #include "framework/common/util.h"
  30. #include "graph/build/model_builder.h"
  31. #include "graph/build/task_generator.h"
  32. #include "graph/compute_graph.h"
  33. #include "external/graph/graph.h"
  34. #include "graph/manager/graph_manager_utils.h"
  35. #include "graph/model.h"
  36. #include "graph/node.h"
  37. #include "graph/partition/graph_partition.h"
  38. #include "graph/utils/graph_utils.h"
  39. #include "graph/utils/tensor_utils.h"
  40. #include "model/ge_root_model.h"
  41. namespace ge {
  42. class GraphBuilder {
  43. public:
  44. GraphBuilder();
  45. GraphBuilder(const GraphBuilder &in) = delete;
  46. GraphBuilder &operator=(const GraphBuilder &in) = delete;
  47. virtual ~GraphBuilder() = default;
  48. Status Build(ComputeGraphPtr &comp_graph, GeRootModelPtr &ge_model_ptr, uint64_t session_id = INVALID_SESSION_ID);
  49. void SetOptions(const GraphManagerOptions &options);
  50. private:
  51. Status CalcOpParam(const ge::ComputeGraphPtr &graph);
  52. Status GetTaskInfo(const ge::ModelBuilder &builder, const ModelPtr &model_ptr, ComputeGraphPtr &comp_graph,
  53. Graph2SubGraphInfoList &subgraph_map, uint64_t session_id = INVALID_SESSION_ID);
  54. Status SetInputSize(const ge::NodePtr &node_ptr);
  55. Status UpdateDataInputSize(const ge::NodePtr &node_ptr);
  56. Status UpdateParentNodeOutputSize(const ge::ComputeGraphPtr &graph, ge::NodePtr &parent_node_ptr);
  57. Status CalcDynShapeRootGraphDataSize(const ge::OpDescPtr &op_desc);
  58. Status SecondPartition(ge::ComputeGraphPtr &comp_graph);
  59. Status MarkFpBpProfilingTaskAttr(ComputeGraphPtr &com_graph);
  60. Status BuildForDynamicShapeGraph(ComputeGraphPtr &comp_graph,
  61. GeRootModelPtr &ge_root_model_ptr, GeModelPtr &ge_model_ptr,
  62. uint64_t session_id = INVALID_SESSION_ID);
  63. Status BuildForKnownShapeGraph(ComputeGraphPtr &comp_graph,
  64. GeModelPtr &ge_model_ptr, uint64_t session_id = INVALID_SESSION_ID);
  65. Status BuildForUnknownShapeGraph(ComputeGraphPtr &comp_graph, GeModelPtr &ge_model_ptr,
  66. uint64_t session_id = INVALID_SESSION_ID);
  67. Status SetConstantInputOffset(ComputeGraphPtr &comp_graph);
  68. Status AddOutputMemTypeForNode(const NodePtr &node);
  69. Status BuildForHostCpuGraph(ComputeGraphPtr &comp_graph, GeModelPtr &ge_model_ptr,
  70. uint64_t session_id = INVALID_SESSION_ID);
  71. int build_mode_;
  72. std::map<std::string, int> stream_max_parallel_num_;
  73. bool hcom_parallel_;
  74. GraphPartitioner graph_partitioner_;
  75. };
  76. } // namespace ge
  77. #endif // GE_GRAPH_BUILD_GRAPH_BUILD_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