good_openmp_cache_opt.cpp

double good_openmp_cache_opt(int ** matrix, long int size, int blocksize){

    double total_begin = omp_get_wtime();

    #pragma omp parallel for
    for(int x = 0; x < size; x++){
        for(int y = 0; y < size; y++){
            matrix[x][y] = matrix[x][y] * 2;
        }
    }

    double total_end = omp_get_wtime();
    return double(total_end - total_begin);
}