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formats_trans_utils.cc 2.9 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/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. GELOGE(PARAM_INVALID, "Failed to get cube size, the data type %s is invalid",
  29. TypeUtils::DataTypeToSerialString(data_type).c_str());
  30. return -1;
  31. } else if (size == 1) {
  32. return kCubeSize * 2; // 32 bytes cube size
  33. } else {
  34. return kCubeSize;
  35. }
  36. }
  37. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY std::string ShapeToString(const GeShape &shape) {
  38. return ShapeToString(shape.GetDims());
  39. }
  40. GE_FUNC_DEV_VISIBILITY GE_FUNC_HOST_VISIBILITY std::string ShapeToString(const std::vector<int64_t> &shape) {
  41. return JoinToString(shape);
  42. }
  43. int64_t GetItemNumByShape(const std::vector<int64_t> &shape) {
  44. int64_t num = 1;
  45. for (auto dim : shape) {
  46. num *= dim;
  47. }
  48. return num;
  49. }
  50. bool CheckShapeValid(const std::vector<int64_t> &shape, const int64_t expect_dims) {
  51. if (expect_dims <= 0 || shape.size() != static_cast<size_t>(expect_dims)) {
  52. GELOGE(PARAM_INVALID, "Invalid shape, dims num %zu, expect %ld", shape.size(), expect_dims);
  53. return false;
  54. }
  55. return IsShapeValid(shape);
  56. }
  57. bool IsShapeValid(const std::vector<int64_t> &shape) {
  58. if (shape.empty()) {
  59. return false;
  60. }
  61. int64_t num = 1;
  62. for (auto dim : shape) {
  63. if (dim < 0) {
  64. GELOGE(PARAM_INVALID, "Invalid negative dim in the shape %s", ShapeToString(shape).c_str());
  65. return false;
  66. }
  67. if (dim != 0 && kShapeItemNumMAX / dim < num) {
  68. GELOGE(PARAM_INVALID, "Shape overflow, the total count should be less than %ld!", kShapeItemNumMAX);
  69. return false;
  70. }
  71. num *= dim;
  72. }
  73. return true;
  74. }
  75. bool IsShapeEqual(const GeShape &src, const GeShape &dst) {
  76. if (src.GetDims().size() != dst.GetDims().size()) {
  77. return false;
  78. }
  79. for (size_t i = 0; i < src.GetDims().size(); ++i) {
  80. if (src.GetDim(i) != dst.GetDim(i)) {
  81. return false;
  82. }
  83. }
  84. return true;
  85. }
  86. } // namespace formats
  87. } // 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