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formats.cc 3.6 kB

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  1. /**
  2. * Copyright 2019-2020 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 "common/formats/formats.h"
  17. #include <securec.h>
  18. #include <cmath>
  19. #include <cstring>
  20. #include <functional>
  21. #include <sstream>
  22. #include <string>
  23. #include <vector>
  24. #include "common/formats/utils/formats_trans_utils.h"
  25. #include "framework/common/debug/ge_log.h"
  26. #include "framework/common/ge_inner_error_codes.h"
  27. #include "graph/utils/type_utils.h"
  28. namespace ge {
  29. namespace formats {
  30. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY Status TransFormat(const TransArgs &args, TransResult &result) {
  31. auto transfer = BuildFormatTransfer(args);
  32. if (transfer == nullptr) {
  33. GELOGE(UNSUPPORTED, "Failed to trans data from format %s to %s, unsupport now",
  34. TypeUtils::FormatToSerialString(args.src_format).c_str(),
  35. TypeUtils::FormatToSerialString(args.dst_format).c_str());
  36. return UNSUPPORTED;
  37. }
  38. auto src_shape_size = GetItemNumByShape(args.src_shape);
  39. if (args.data == nullptr && src_shape_size != 0) {
  40. GELOGE(PARAM_INVALID, "Invalid input null data");
  41. return PARAM_INVALID;
  42. }
  43. return transfer->TransFormat(args, result);
  44. }
  45. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY Status TransShape(Format src_format,
  46. const std::vector<int64_t> &src_shape,
  47. DataType data_type, Format dst_format,
  48. std::vector<int64_t> &dst_shape) {
  49. formats::TransArgs args;
  50. args.src_format = src_format;
  51. args.dst_format = dst_format;
  52. auto transfer = BuildFormatTransfer(args);
  53. if (transfer == nullptr) {
  54. GELOGE(UNSUPPORTED, "Failed to trans data from format %s to %s, unsupport now",
  55. TypeUtils::FormatToSerialString(args.src_format).c_str(),
  56. TypeUtils::FormatToSerialString(args.dst_format).c_str());
  57. return UNSUPPORTED;
  58. }
  59. return transfer->TransShape(src_format, src_shape, data_type, dst_format, dst_shape);
  60. }
  61. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY Status TransDataType(const CastArgs &args, TransResult &result) {
  62. auto transfer = BuildDataTypeTransfer(args);
  63. if (transfer == nullptr) {
  64. GELOGE(UNSUPPORTED, "Failed to trans data from datatype %s to %s, unsupport now",
  65. TypeUtils::DataTypeToSerialString(args.src_data_type).c_str(),
  66. TypeUtils::DataTypeToSerialString(args.dst_data_type).c_str());
  67. return UNSUPPORTED;
  68. }
  69. if (args.data == nullptr && args.src_data_size != 0) {
  70. GELOGE(PARAM_INVALID, "Invalid input null data");
  71. return PARAM_INVALID;
  72. }
  73. return transfer->TransDataType(args, result);
  74. }
  75. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY bool IsTransFormatSupport(const TransArgs &args) {
  76. return FormatTransferExists(args);
  77. }
  78. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY bool IsTransDataTypeSupport(const CastArgs &args) {
  79. return DataTypeTransferExists(args);
  80. }
  81. } // namespace formats
  82. } // 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