michael@0: function fannkuch(n) {
michael@0:     var perm1 = Array(n);
michael@0:     for (var i = 0; i < n; i++) { };
michael@0:     var r = n;
michael@0:     do {
michael@0:         while (r != 1) { r--; }
michael@0:         for (var z=0; z<50; z++) {
michael@0:             while (i < r) {
michael@0:                 perm1[i];
michael@0:                 i++;
michael@0:             }
michael@0:         }
michael@0:     } while(false);
michael@0: }
michael@0: fannkuch(18);