Author: Anthony Cozzie
Date: 16:03:27 12/12/03
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On December 12, 2003 at 11:23:06, Slater Wold wrote: >On December 12, 2003 at 06:52:15, Albert Bertilsson wrote: > >>I've collected some info posted in the distributed perft thread. >> >>Using Sharper 0.17p to do perft calculations with hash table has given the >>following results: >> >><PRE> >>Hardware Hash CS Nodes MNPS >>Athlon XP (Barton) at real 2400MHz 256 51254 84998978956 165 >>P4 3.06Ghz 256 49801 84998978956 170 >>Athlon XP (Barton) at real 2400MHz 512 45422 84998978956 187 >>Athlon XP 2.5GHz, 200fsb(400DDR) with 3-4-4-10 512 43848 84998978956 193 >>Athlon XP (Barton) at real 2400MHz 1024 42027 84998978956 202 >></pre> >> >>Single cpu machines counting 202 million nodes per second is really impressive. >> >>If you have a machine that you'd like to bench, download the distributed perft >>client (Sharper 0.17p is included with it). Set the hash size with "hashsize >>XXX" (XXX = number of megabytes of ram) and run "perfthash 8" and report the >>time it took to finnish the calculation. >> >>I'm going to add some lower spec. machines later. >> >>/Regards Albert > >Albert...you made a program that is faster on a P4 3.06Ghz than on the fastest >(XP) AMDs. > >People aren't going to like you. :D > >P4 3.06Ghz - 512MB HT: > >perfthash 8 = 43134cs not too surprising - the P4 has a lot fewer branches to mispredict than with a real chess program . . . anthony
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