// returns minimal time needed
static long bench1sec(S desc, Runnable r) {
  ret benchFor1Second(desc, r);
}



static long bench1sec(Runnable r) {
  ret benchFor1Second(r);
}



// returns result of function
static <A> A bench1sec(S desc default str(f), IF0<A> f) {
  ret benchFor1Second(desc, f);
}