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mark_graph_unknown_status_pass.cc 1.6 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. #include "graph/passes/mark_graph_unknown_status_pass.h"
  17. #include "graph/utils/node_utils.h"
  18. #include "graph/debug/ge_attr_define.h"
  19. namespace ge {
  20. Status MarkGraphUnknownStatusPass::Run(ComputeGraphPtr graph) {
  21. GE_CHECK_NOTNULL(graph);
  22. bool is_unknown_shape = false;
  23. bool forced_unknown = false;
  24. for (const auto &node : graph->GetDirectNode()) {
  25. GE_CHK_STATUS_RET(ge::NodeUtils::GetNodeUnknownShapeStatus(*node, is_unknown_shape),
  26. "Get node[%s] shape status failed!", node->GetName().c_str());
  27. if (is_unknown_shape) {
  28. break;
  29. }
  30. if (AttrUtils::GetBool(node->GetOpDesc(), ATTR_NAME_FORCE_UNKNOWN_SHAPE, forced_unknown) && forced_unknown) {
  31. GELOGD("node %s was marked as unknown shape.", node->GetName().c_str());
  32. is_unknown_shape = true;
  33. break;
  34. }
  35. }
  36. graph->SetGraphUnknownFlag(is_unknown_shape);
  37. GELOGD("mark graph [%s] unknown status success! value is %d", graph->GetName().c_str(), is_unknown_shape);
  38. return SUCCESS;
  39. }
  40. } // namespace ge

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