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variable_mds_kernel.cc 1.4 kB

4 years ago
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  1. /**
  2. * Copyright 2021 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 "variable_mds_kernel.h"
  17. #include "mds_kernel_factory.h"
  18. namespace ge {
  19. Status VariableDeploySchedulerKernel::CutN(const ge::NodePtr& node_ptr) {
  20. GE_CHECK_NOTNULL(node_ptr);
  21. if (MdsUtils::IsDistributedDeploySupported(node_ptr->GetOpDesc()->MutableOutputDesc(0), kCutN)) {
  22. return MdsUtils::DistributedDeploy(node_ptr->GetOpDesc()->MutableOutputDesc(0), kCutN);
  23. }
  24. return SUCCESS;
  25. }
  26. Status VariableDeploySchedulerKernel::CutH(const ge::NodePtr& node_ptr) {
  27. GE_CHECK_NOTNULL(node_ptr);
  28. if (MdsUtils::IsDistributedDeploySupported(node_ptr->GetOpDesc()->MutableOutputDesc(0), kCutH)) {
  29. return MdsUtils::DistributedDeploy(node_ptr->GetOpDesc()->MutableOutputDesc(0), kCutH);
  30. }
  31. return SUCCESS;
  32. }
  33. REGISTER_MDS_KERNEL(VARIABLE, VariableDeploySchedulerKernel);
  34. }

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