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graph_library.proto 646 B

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  1. /**
  2. * This file is part of Open Source Software TensorFlow, version 1.15.0 https://github.com/tensorflow/tensorflow
  3. *
  4. * This file is included by GraphEngine so as to support model format conversion from tensorflow model to GraphEngine model.
  5. * This file in this distribution may have been modified by Huawei Technologies Co., Ltd ("Huawei Modifications").
  6. * All Huawei Modifications are Copyright 2019-2020 Huawei Technologies Co., Ltd.
  7. */
  8. syntax = "proto3";
  9. package domi.tensorflow;
  10. import "graph.proto";
  11. message GeGraphDef {
  12. string name = 1;
  13. GraphDef graph = 2;
  14. }
  15. message GraphDefLibrary {
  16. repeated GeGraphDef graph_def = 1;
  17. };

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