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formats.cc 5.0 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/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. std::string error = "Failed to trans data from format [" +
  34. TypeUtils::FormatToSerialString(args.src_format) + "] to " + "[" +
  35. TypeUtils::FormatToSerialString(args.dst_format) + "]";
  36. GE_ERRORLOG_AND_ERRORMSG(UNSUPPORTED, error.c_str());
  37. return UNSUPPORTED;
  38. }
  39. auto src_shape_size = GetItemNumByShape(args.src_shape);
  40. if (args.data == nullptr && src_shape_size != 0) {
  41. GELOGE(PARAM_INVALID, "Invalid input null data");
  42. return PARAM_INVALID;
  43. }
  44. return transfer->TransFormat(args, result);
  45. }
  46. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY Status TransShape(Format src_format,
  47. const std::vector<int64_t> &src_shape,
  48. DataType data_type,
  49. Format dst_format,
  50. std::vector<int64_t> &dst_shape) {
  51. formats::TransArgs args;
  52. args.src_format = src_format;
  53. args.dst_format = dst_format;
  54. auto transfer = BuildFormatTransfer(args);
  55. if (transfer == nullptr) {
  56. std::string error = "Failed to trans data from format [" +
  57. TypeUtils::FormatToSerialString(args.src_format) + "] to " + "[" +
  58. TypeUtils::FormatToSerialString(args.dst_format) + "]";
  59. GE_ERRORLOG_AND_ERRORMSG(UNSUPPORTED, error.c_str());
  60. return UNSUPPORTED;
  61. }
  62. return transfer->TransShape(src_format, src_shape, data_type, dst_format, dst_shape);
  63. }
  64. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY Status TransDataType(const CastArgs &args, TransResult &result) {
  65. auto transfer = BuildDataTypeTransfer(args);
  66. if (transfer == nullptr) {
  67. std::string error = "Failed to trans data from datatype [" +
  68. TypeUtils::FormatToSerialString(args.src_data_type) + "] to " + "[" +
  69. TypeUtils::FormatToSerialString(args.dst_data_type) + "]";
  70. GE_ERRORLOG_AND_ERRORMSG(UNSUPPORTED, error.c_str());
  71. return UNSUPPORTED;
  72. }
  73. if (args.data == nullptr && args.src_data_size != 0) {
  74. GELOGE(PARAM_INVALID, "Invalid input null data");
  75. return PARAM_INVALID;
  76. }
  77. return transfer->TransDataType(args, result);
  78. }
  79. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY bool IsTransFormatSupport(const TransArgs &args) {
  80. return FormatTransferExists(args);
  81. }
  82. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY bool IsTransDataTypeSupport(const CastArgs &args) {
  83. return DataTypeTransferExists(args);
  84. }
  85. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY bool IsTransShapeSrcCorrect(const TransArgs &args, std::vector<int64_t> &expect_shape) {
  86. if (!args.src_shape.empty() && args.src_shape != expect_shape) {
  87. std::string error = "Failed to trans format from[" + TypeUtils::FormatToSerialString(args.src_format) +
  88. "] to [" + TypeUtils::FormatToSerialString(args.dst_format) + "], the src shape[" +
  89. TypeUtils::FormatToSerialString(args.dst_format).c_str() + "] is invalid, expect[" +
  90. ShapeToString(expect_shape) + "]";
  91. GE_ERRORLOG_AND_ERRORMSG(PARAM_INVALID, error.c_str());
  92. return false;
  93. }
  94. return true;
  95. }
  96. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY bool IsTransShapeDstCorrect(const TransArgs &args, std::vector<int64_t> &expect_shape) {
  97. if (!args.dst_shape.empty() && args.dst_shape != expect_shape) {
  98. std::stringstream error;
  99. error << "Failed to trans format from[" + TypeUtils::FormatToSerialString(args.src_format) <<
  100. "] to [" << TypeUtils::FormatToSerialString(args.dst_format) << "], invalid relationship between src shape[" <<
  101. ShapeToString(args.src_shape) << "] and dst [" << ShapeToString(args.dst_shape) + "]";
  102. GE_ERRORLOG_AND_ERRORMSG(PARAM_INVALID, error.str());
  103. return false;
  104. }
  105. return true;
  106. }
  107. } // namespace formats
  108. } // 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