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formats.cc 3.9 kB

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  1. /**
  2. * Copyright 2019 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/debug/log.h"
  27. #include "framework/common/ge_inner_error_codes.h"
  28. #include "graph/utils/type_utils.h"
  29. namespace ge {
  30. namespace formats {
  31. Status TransFormat(const TransArgs &args, TransResult &result) {
  32. auto transfer = BuildFormatTransfer(args);
  33. if (transfer == nullptr) {
  34. std::string error = "Failed to trans data from format " +
  35. FmtToStr(TypeUtils::FormatToSerialString(args.src_format)) + " to " +
  36. FmtToStr(TypeUtils::FormatToSerialString(args.dst_format));
  37. GE_ERRORLOG_AND_ERRORMSG(ACL_ERROR_GE_FORMAT_INVALID, error.c_str());
  38. return ACL_ERROR_GE_FORMAT_INVALID;
  39. }
  40. auto src_shape_size = GetItemNumByShape(args.src_shape);
  41. if (args.data == nullptr && src_shape_size != 0) {
  42. GELOGE(ACL_ERROR_GE_PARAM_INVALID, "[Check][Shape]Failed, input data is null "
  43. "or shape size not euqal to 0, src_shape %s",
  44. ShapeToString(args.src_shape).c_str());
  45. REPORT_CALL_ERROR("E19999", "Failed to check shape, input data is null "
  46. "or shape size not equal to 0, src_shape %s",
  47. ShapeToString(args.src_shape).c_str());
  48. return ACL_ERROR_GE_PARAM_INVALID;
  49. }
  50. return transfer->TransFormat(args, result);
  51. }
  52. Status TransShape(Format src_format, const std::vector<int64_t> &src_shape, DataType data_type, Format dst_format,
  53. std::vector<int64_t> &dst_shape) {
  54. formats::TransArgs args;
  55. args.src_format = src_format;
  56. args.dst_format = dst_format;
  57. auto transfer = BuildFormatTransfer(args);
  58. if (transfer == nullptr) {
  59. std::string error = "Failed to trans data from format " +
  60. FmtToStr(TypeUtils::FormatToSerialString(args.src_format)) + " to " +
  61. FmtToStr(TypeUtils::FormatToSerialString(args.dst_format));
  62. GE_ERRORLOG_AND_ERRORMSG(ACL_ERROR_GE_FORMAT_INVALID, error.c_str());
  63. return ACL_ERROR_GE_FORMAT_INVALID;
  64. }
  65. return transfer->TransShape(src_format, src_shape, data_type, dst_format, dst_shape);
  66. }
  67. Status TransDataType(const CastArgs &args, TransResult &result) {
  68. auto transfer = BuildDataTypeTransfer(args);
  69. if (transfer == nullptr) {
  70. std::string error = "Failed to trans data from datatype " +
  71. FmtToStr(TypeUtils::DataTypeToSerialString(args.src_data_type)) + " to " +
  72. FmtToStr(TypeUtils::DataTypeToSerialString(args.dst_data_type));
  73. GE_ERRORLOG_AND_ERRORMSG(ACL_ERROR_GE_DATATYPE_INVALID, error.c_str());
  74. return ACL_ERROR_GE_DATATYPE_INVALID;
  75. }
  76. if (args.data == nullptr && args.src_data_size != 0) {
  77. GELOGE(ACL_ERROR_GE_PARAM_INVALID, "[Check][Param]Failed, input data is null "
  78. "or data size not equal to 0, src_data_size %ld", args.src_data_size);
  79. return ACL_ERROR_GE_PARAM_INVALID;
  80. }
  81. return transfer->TransDataType(args, result);
  82. }
  83. bool IsTransFormatSupport(const TransArgs &args) {
  84. return FormatTransferExists(args);
  85. }
  86. bool IsTransDataTypeSupport(const CastArgs &args) {
  87. return DataTypeTransferExists(args);
  88. }
  89. } // namespace formats
  90. } // 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