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task_info.cc 1.3 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/load/model_manager/task_info/task_info.h"
  17. #include <vector>
  18. namespace ge {
  19. Status TaskInfo::SetStream(uint32_t stream_id, const std::vector<rtStream_t> &stream_list) {
  20. if (stream_list.size() == 1) {
  21. stream_ = stream_list[0];
  22. } else if (stream_list.size() > stream_id) {
  23. stream_ = stream_list[stream_id];
  24. } else {
  25. REPORT_INNER_ERROR("E19999", "stream_id:%u >= stream_list.size(): %zu, check invalid",
  26. stream_id, stream_list.size());
  27. GELOGE(FAILED, "[Check][Param] index:%u >= stream_list.size():%zu.", stream_id, stream_list.size());
  28. return FAILED;
  29. }
  30. return SUCCESS;
  31. }
  32. } // 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