On 2004-10-01T20:23:27-0400, Atom 'Smasher' wrote: > my default engine (MMX Standard 1x2-pipe) shows the *exact* same speed, > but the estimate for generating a 30 bit stamp has gone up: > 30bit 1.09 = 448 seconds > 30bit 1.10 = 464 seconds That's easily within expected variance. % for ((i=0; $i < 5; i++)); do hashcash -sb30; done time estimate: 560 seconds (9 minutes) time estimate: 547 seconds (9 minutes) time estimate: 498 seconds (8 minutes) time estimate: 539 seconds (9 minutes) time estimate: 523 seconds (9 minutes)