reduce2 81 modules/video/src/opencl/pyrlk.cl inline void reduce2(float val1, float val2, volatile __local float* smem1, volatile __local float* smem2, int tid) reduce2 157 modules/video/src/opencl/pyrlk.cl inline void reduce2(float val1, float val2, __local volatile float* smem1, __local volatile float* smem2, int tid)