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formats_trans_utils.cc 4.6 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 "common/formats/utils/formats_trans_utils.h"
  17. #include <cstdint>
  18. #include "common/formats/utils/formats_definitions.h"
  19. #include "framework/common/debug/ge_log.h"
  20. #include "framework/common/debug/log.h"
  21. #include "framework/common/ge_inner_error_codes.h"
  22. #include "graph/utils/type_utils.h"
  23. namespace ge {
  24. namespace formats {
  25. int64_t GetCubeSizeByDataType(DataType data_type) {
  26. // Current cube does not support 4 bytes and longer data
  27. auto size = GetSizeByDataType(data_type);
  28. if (size <= 0) {
  29. std::string error = "Failed to get cube size, the data type " +
  30. FmtToStr(TypeUtils::DataTypeToSerialString(data_type)) + " is invalid";
  31. GE_WARNINGLOG_AND_ERRORMSG(error.c_str());
  32. return -1;
  33. } else if (size == 1) {
  34. return kCubeSize * 2; // 32 bytes cube size
  35. } else {
  36. return kCubeSize;
  37. }
  38. }
  39. std::string ShapeToString(const GeShape &shape) {
  40. return ShapeToString(shape.GetDims());
  41. }
  42. std::string ShapeToString(const std::vector<int64_t> &shape) {
  43. return JoinToString(shape);
  44. }
  45. std::string RangeToString(const std::vector<std::pair<int64_t, int64_t>> &ranges) {
  46. bool first = true;
  47. std::stringstream ss;
  48. ss << "[";
  49. for (const auto &range : ranges) {
  50. if (first) {
  51. first = false;
  52. } else {
  53. ss << ",";
  54. }
  55. ss << "{";
  56. ss << range.first << "," << range.second;
  57. ss << "}";
  58. }
  59. ss << "]";
  60. return ss.str();
  61. }
  62. int64_t GetItemNumByShape(const std::vector<int64_t> &shape) {
  63. int64_t num = 1;
  64. for (auto dim : shape) {
  65. num *= dim;
  66. }
  67. return num;
  68. }
  69. bool CheckShapeValid(const std::vector<int64_t> &shape, const int64_t expect_dims) {
  70. if (expect_dims <= 0 || shape.size() != static_cast<size_t>(expect_dims)) {
  71. std::string error = "Invalid shape, dims num " + FmtToStr(shape.size()) +
  72. ", expect " + FmtToStr(expect_dims);
  73. GE_WARNINGLOG_AND_ERRORMSG(error.c_str());
  74. return false;
  75. }
  76. return IsShapeValid(shape);
  77. }
  78. bool IsShapeValid(const std::vector<int64_t> &shape) {
  79. if (shape.empty()) {
  80. return false;
  81. }
  82. int64_t num = 1;
  83. for (auto dim : shape) {
  84. if (dim < 0) {
  85. std::string error = "Invalid negative dims in the shape " + FmtToStr(ShapeToString(shape));
  86. GE_WARNINGLOG_AND_ERRORMSG(error.c_str());
  87. return false;
  88. }
  89. if (dim != 0 && kShapeItemNumMAX / dim < num) {
  90. std::string error = "Shape overflow, the total count should be less than " + FmtToStr(kShapeItemNumMAX);
  91. GE_WARNINGLOG_AND_ERRORMSG(error.c_str());
  92. return false;
  93. }
  94. num *= dim;
  95. }
  96. return true;
  97. }
  98. bool IsShapeEqual(const GeShape &src, const GeShape &dst) {
  99. if (src.GetDims().size() != dst.GetDims().size()) {
  100. return false;
  101. }
  102. for (size_t i = 0; i < src.GetDims().size(); ++i) {
  103. if (src.GetDim(i) != dst.GetDim(i)) {
  104. return false;
  105. }
  106. }
  107. return true;
  108. }
  109. bool IsTransShapeSrcCorrect(const TransArgs &args, std::vector<int64_t> &expect_shape) {
  110. if (args.src_shape != expect_shape) {
  111. std::string error = "Failed to trans format from" +
  112. FmtToStr(TypeUtils::FormatToSerialString(args.src_format)) + " to " +
  113. FmtToStr(TypeUtils::FormatToSerialString(args.dst_format)) + ", invalid relationship between src shape " +
  114. FmtToStr(ShapeToString(args.src_shape)) + " and dst " +
  115. FmtToStr(ShapeToString(args.dst_shape));
  116. GE_WARNINGLOG_AND_ERRORMSG(error.c_str());
  117. return false;
  118. }
  119. return true;
  120. }
  121. bool IsTransShapeDstCorrect(const TransArgs &args, std::vector<int64_t> &expect_shape) {
  122. if (!args.dst_shape.empty() && args.dst_shape != expect_shape) {
  123. std::string error = "Failed to trans format from " +
  124. FmtToStr(TypeUtils::FormatToSerialString(args.src_format)) + " to " +
  125. FmtToStr(TypeUtils::FormatToSerialString(args.dst_format)) + ", the dst shape" +
  126. FmtToStr(ShapeToString(args.dst_shape)) + " is invalid, expect" +
  127. FmtToStr(ShapeToString(expect_shape));
  128. GE_WARNINGLOG_AND_ERRORMSG(error.c_str());
  129. return false;
  130. }
  131. return true;
  132. }
  133. } // namespace formats
  134. } // 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