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mark_graph_unknown_status_pass.cc 1.9 kB

4 years ago
4 years ago
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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. namespace {
  21. const char *const kOwnerGraphIsUnknown = "OwnerGraphIsUnknown";
  22. }
  23. Status MarkGraphUnknownStatusPass::Run(ComputeGraphPtr graph) {
  24. GE_CHECK_NOTNULL(graph);
  25. bool is_unknown_shape = false;
  26. bool forced_unknown = false;
  27. for (const auto &node : graph->GetDirectNode()) {
  28. GE_CHK_STATUS_RET(ge::NodeUtils::GetNodeUnknownShapeStatus(*node, is_unknown_shape),
  29. "Get node[%s] shape status failed!", node->GetName().c_str());
  30. if (is_unknown_shape) {
  31. break;
  32. }
  33. if (AttrUtils::GetBool(node->GetOpDesc(), ATTR_NAME_FORCE_UNKNOWN_SHAPE, forced_unknown) && forced_unknown) {
  34. GELOGD("node %s was marked as unknown shape.", node->GetName().c_str());
  35. is_unknown_shape = true;
  36. break;
  37. }
  38. }
  39. for (const auto &node : graph->GetDirectNode()) {
  40. GELOGD("Set OwnerGraphIsUnknown attr to node[%s]", node->GetName().c_str());
  41. (void)AttrUtils::SetBool(node->GetOpDesc(), kOwnerGraphIsUnknown, is_unknown_shape);
  42. }
  43. graph->SetGraphUnknownFlag(is_unknown_shape);
  44. GELOGD("mark graph [%s] unknown status success! value is %d", graph->GetName().c_str(), is_unknown_shape);
  45. return SUCCESS;
  46. }
  47. } // 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