or download this
c:\test>junk21
Benchmark: timing 10000 iterations of Memo, Normal...
Memo: 1 wallclock secs ( 0.64 usr + 0.00 sys = 0.64 CPU) @ 15
+649.45/s (n=10000)
Normal: 15 wallclock secs (14.98 usr + 0.01 sys = 14.99 CPU) @ 66
+7.07/s (n=10000)