1 /* Copyright 2020 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 #ifndef TENSORFLOW_LITE_DELEGATES_GPU_COMMON_TASK_WEIGHTS_LAYOUT_H_ 17 #define TENSORFLOW_LITE_DELEGATES_GPU_COMMON_TASK_WEIGHTS_LAYOUT_H_ 18 19 #include <vector> 20 21 #include "tensorflow/lite/delegates/gpu/common/data_type.h" 22 23 namespace tflite { 24 namespace gpu { 25 26 enum class WeightsLayout { 27 kUnknown, 28 // Spatial is DHW/HW depending on amount of spatial dimensions (Depth, Height, 29 // Width). 30 kOSpatialIOGroupI4O4, 31 kOSpatialIOGroupO4I4, 32 kOICustomSpatialI4O4, 33 kOICustomSpatialO4I4, 34 k2DX4I4YIsSpatialIAndXIsOOGroupO4, 35 k2DX4O4YIsSpatialIAndXIsOOGroupI4, 36 }; 37 38 struct WeightsDescription { 39 DataType type; 40 WeightsLayout layout; 41 // applicable with layouts that have OGroup. 42 int output_group_size; // OGroup size 43 // applicable with layouts that have CustomSpatial 44 std::vector<int> spatial_remap; 45 46 int GetOutputGroupSize() const; 47 bool IsI4O4() const; 48 bool IsO4I4() const; 49 bool IsCustomSpatial() const; 50 51 bool operator==(const WeightsDescription& t) const; 52 }; 53 54 } // namespace gpu 55 } // namespace tflite 56 57 #endif // TENSORFLOW_LITE_DELEGATES_GPU_COMMON_TASK_WEIGHTS_LAYOUT_H_ 58