sclass Test_StupidFib_collab {
  run {
    for (int cores = 1; cores <= 16; cores++) {
      reMutable cores;
      print(+cores);
      benchFor1(-> {
        FastCollab collab = new(cores).useMainThread(false);
        //ret stupidFib_collab(collab, 35);
        ret new StupidFib_collab(collab, 20).delay(1)!;
      });
    }
  }
}