// sleep(2);
auto start = std::chrono::system_clock::now();
- matC=matrix_multiply(&gf, matG, matS, n, t, t, len, w);
+ matC=matrix_multiply(&gf, matG, matS, n, t, t, len, w,0);
auto end = std::chrono::system_clock::now();
std::chrono::duration<double> elapsed_seconds = end-start;
total_time+=elapsed_seconds.count();