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formats_trans_utils.cc 3.3 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/ge_inner_error_codes.h"
  21. #include "graph/utils/type_utils.h"
  22. namespace ge {
  23. namespace formats {
  24. int64_t GetCubeSizeByDataType(DataType data_type) {
  25. // Current cube does not support 4 bytes and longer data
  26. auto size = GetSizeByDataType(data_type);
  27. if (size <= 0) {
  28. std::string error = "Failed to get cube size, the data type [" +
  29. TypeUtils::DataTypeToSerialString(data_type) + "] is invalid";
  30. GE_ERRORLOG_AND_ERRORMSG(PARAM_INVALID, error.c_str());
  31. return -1;
  32. } else if (size == 1) {
  33. return kCubeSize * 2; // 32 bytes cube size
  34. } else {
  35. return kCubeSize;
  36. }
  37. }
  38. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY std::string ShapeToString(const GeShape &shape) {
  39. return ShapeToString(shape.GetDims());
  40. }
  41. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY std::string ShapeToString(const std::vector<int64_t> &shape) {
  42. return JoinToString(shape);
  43. }
  44. int64_t GetItemNumByShape(const std::vector<int64_t> &shape) {
  45. int64_t num = 1;
  46. for (auto dim : shape) {
  47. num *= dim;
  48. }
  49. return num;
  50. }
  51. bool CheckShapeValid(const std::vector<int64_t> &shape, const int64_t expect_dims) {
  52. if (expect_dims <= 0 || shape.size() != static_cast<size_t>(expect_dims)) {
  53. std::string error = " Invalid shape, dims num [" + std::to_string(shape.size()) +
  54. "], expect [" + std::to_string(expect_dims) + "]";
  55. TypeUtils::DataTypeToSerialString(data_type) + "] is invalid";
  56. GE_ERRORLOG_AND_ERRORMSG(PARAM_INVALID, error.c_str());
  57. return false;
  58. }
  59. return IsShapeValid(shape);
  60. }
  61. bool IsShapeValid(const std::vector<int64_t> &shape) {
  62. if (shape.empty()) {
  63. return false;
  64. }
  65. int64_t num = 1;
  66. for (auto dim : shape) {
  67. if (dim < 0) {
  68. std::string error = "Invalid negative dims in the shape [" + ShapeToString(shape).c_str() + "]";
  69. GE_ERRORLOG_AND_ERRORMSG(PARAM_INVALID, error.c_str());
  70. return false;
  71. }
  72. if (dim != 0 && kShapeItemNumMAX / dim < num) {
  73. std::string error = "Shape overflow, the total count should be less than [" +
  74. std::to_string(kShapeItemNumMAX) + "]";
  75. GE_ERRORLOG_AND_ERRORMSG(PARAM_INVALID, error.c_str());
  76. return false;
  77. }
  78. num *= dim;
  79. }
  80. return true;
  81. }
  82. bool IsShapeEqual(const GeShape &src, const GeShape &dst) {
  83. if (src.GetDims().size() != dst.GetDims().size()) {
  84. return false;
  85. }
  86. for (size_t i = 0; i < src.GetDims().size(); ++i) {
  87. if (src.GetDim(i) != dst.GetDim(i)) {
  88. return false;
  89. }
  90. }
  91. return true;
  92. }
  93. bool
  94. } // namespace formats
  95. } // 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