P:\test>topn -MAX=100000 -N=1000
[SNIP]
  1 trial  of     sort [1000 of 100000] (231.573ms total), 231.57/trial

  1 trial  of topNbsAB [1000 of 100000] (298.991ms total), 298.99/trial

  1 trial  of  topNbs@ [1000 of 100000] (296.875ms total), 296.87/trial