reduce_multi_block  238 modules/features2d/src/opencl/brute_force_match.cl             result += reduce_multi_block(s_query, s_train, i, lidx, lidy);
reduce_multi_block  442 modules/features2d/src/opencl/brute_force_match.cl             result += reduce_multi_block(s_query, s_train, i, lidx, lidy);