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unsqueeze_kernel.cc 2.7 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 "host_kernels/unsqueeze_kernel.h"
  17. #include <memory>
  18. #include "framework/common/ge_inner_error_codes.h"
  19. #include "framework/common/op/ge_op_utils.h"
  20. #include "framework/common/types.h"
  21. #include "framework/common/debug/ge_log.h"
  22. #include "host_kernels/kernel_utils.h"
  23. #include "inc/kernel_factory.h"
  24. namespace ge {
  25. namespace {
  26. constexpr uint32_t kInputDescIndex = 0;
  27. constexpr uint32_t kOutputDescIndex = 0;
  28. constexpr size_t kSqueezeInputSize = 1;
  29. constexpr size_t kSqueezeOutputSize = 1;
  30. } // namespace
  31. Status UnsqueezeKernel::Compute(const NodePtr &node_ptr) {
  32. GE_CHECK_NOTNULL(node_ptr);
  33. if (!KernelUtils::CheckFormatSupported(node_ptr)) {
  34. GELOGW("CheckFormatSupported failed");
  35. return NOT_CHANGED;
  36. }
  37. return SUCCESS;
  38. }
  39. Status UnsqueezeKernel::Compute(const ge::OpDescPtr op_desc_ptr, const std::vector<ge::ConstGeTensorPtr> &input,
  40. std::vector<ge::GeTensorPtr> &v_output) {
  41. GE_CHECK_NOTNULL(op_desc_ptr);
  42. GELOGD("SqueezeKernel in: node[%s]", op_desc_ptr->GetName().c_str());
  43. bool is_check_failed = ((op_desc_ptr->GetInputsSize() != kSqueezeInputSize) ||
  44. (op_desc_ptr->GetOutputsSize() != kSqueezeOutputSize) || (input.size() != kSqueezeInputSize));
  45. if (is_check_failed) {
  46. GELOGW("Size check fail, node[%s] inputs size:%zu, outputs size:%zu, input size:%zu",
  47. op_desc_ptr->GetName().c_str(), op_desc_ptr->GetInputsSize(), op_desc_ptr->GetOutputsSize(), input.size());
  48. return NOT_CHANGED;
  49. }
  50. auto tensor_desc = op_desc_ptr->GetOutputDesc(kOutputDescIndex);
  51. GeTensorPtr output_ptr = MakeShared<ge::GeTensor>(tensor_desc);
  52. GE_CHECK_NOTNULL(output_ptr);
  53. auto input_tensor = input.at(kInputDescIndex);
  54. GE_CHECK_NOTNULL(input_tensor);
  55. if (output_ptr->SetData(input_tensor->GetData()) != GRAPH_SUCCESS) {
  56. GELOGW("Compute: SetData failed");
  57. }
  58. v_output.emplace_back(output_ptr);
  59. GELOGD("UnsqueezeKernel success: node[%s]", op_desc_ptr->GetName().c_str());
  60. return SUCCESS;
  61. }
  62. REGISTER_KERNEL(UNSQUEEZE, UnsqueezeKernel);
  63. } // 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