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partitioned_call_label_maker.cc 2.5 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 "partitioned_call_label_maker.h"
  17. #include "common/util.h"
  18. #include "common/ge_inner_error_codes.h"
  19. #include "framework/common/types.h"
  20. #include "graph/debug/ge_attr_define.h"
  21. #include "graph/utils/graph_utils.h"
  22. namespace ge {
  23. constexpr int32_t kSubGraphIndex = 0;
  24. /**
  25. * @ingroup ge
  26. * @brief Make label node to functional call.
  27. * @param [in/out] label_index: serial id for whole graph.
  28. * @return: 0 for success / others for fail
  29. */
  30. Status PartitionedCallLabelMaker::Run(uint32_t &label_index) {
  31. GE_CHECK_NOTNULL(parent_node_);
  32. GE_CHECK_NOTNULL(parent_graph_);
  33. OpDescPtr call_desc = parent_node_->GetOpDesc();
  34. GE_CHECK_NOTNULL(call_desc);
  35. std::string sub_graph_name = call_desc->GetSubgraphInstanceName(kSubGraphIndex);
  36. if (sub_graph_name.empty()) {
  37. GELOGE(INTERNAL_ERROR, "Node: %s has no subgraph name.", sub_graph_name.c_str());
  38. return FAILED;
  39. }
  40. ComputeGraphPtr sub_graph = parent_graph_->GetSubgraph(sub_graph_name);
  41. if (sub_graph == nullptr) {
  42. GELOGE(INTERNAL_ERROR, "Node: %s has no subgraph.", sub_graph_name.c_str());
  43. return FAILED;
  44. }
  45. const std::string stream_active_name = parent_node_->GetName() + "/StreamActive"; // rtStreamActive
  46. NodePtr stream_active = AddStreamActive(sub_graph, stream_active_name);
  47. if (stream_active == nullptr) {
  48. GELOGE(INTERNAL_ERROR, "Subgraph: %s add stream active node failed.", sub_graph->GetName().c_str());
  49. return FAILED;
  50. }
  51. for (auto &node : sub_graph->GetDirectNode()) {
  52. if (node->GetType() == NETOUTPUT) {
  53. auto op_desc = node->GetOpDesc();
  54. GE_CHECK_NOTNULL(op_desc);
  55. (void)AttrUtils::SetBool(op_desc, ATTR_NAME_SUBGRAPH_END_NODE, true);
  56. }
  57. }
  58. return SUCCESS;
  59. }
  60. REGISTER_LABEL_MAKER(PARTITIONEDCALL, PartitionedCallLabelMaker);
  61. REGISTER_LABEL_MAKER(STATEFULPARTITIONEDCALL, PartitionedCallLabelMaker);
  62. } // 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