1 /* Copyright 2019 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_WORKGROUP_SELECTION_H_ 17 #define TENSORFLOW_LITE_DELEGATES_GPU_COMMON_WORKGROUP_SELECTION_H_ 18 19 #include <vector> 20 21 namespace tflite { 22 namespace gpu { 23 24 // PRECISE assume that WorkGroupSize * k = GridSize; 25 // NO_ALIGNMENT no restrictions; 26 // We need PRECISE when we don't have check in kernel for boundaries 27 // If we have the check, we can use PRECISE or NO_ALIGNMENT as well. 28 enum class WorkGroupSizeAlignment { PRECISE, NO_ALIGNMENT }; 29 30 std::vector<int> GetPossibleSizes(int number, 31 WorkGroupSizeAlignment z_alignment); 32 33 // Specializations exist for int3 and uint3 in the .cc file 34 35 template <typename T> 36 std::vector<T> GenerateWorkGroupSizes( 37 const T& grid, int min_work_group_total_size, int max_work_group_total_size, 38 const T& max_work_group_sizes, WorkGroupSizeAlignment x_alignment, 39 WorkGroupSizeAlignment y_alignment, WorkGroupSizeAlignment z_alignment); 40 41 template <typename T> 42 void GenerateWorkGroupSizesAlignedToGrid(const T& grid, 43 const T& max_work_group_size, 44 const int max_work_group_total_size, 45 std::vector<T>* work_groups); 46 47 } // namespace gpu 48 } // namespace tflite 49 50 #endif // TENSORFLOW_LITE_DELEGATES_GPU_COMMON_WORKGROUP_SELECTION_H_ 51