Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Perft benchmark

Author: Slater Wold

Date: 09:28:38 12/12/03

Go up one level in this thread


On December 12, 2003 at 11:29:43, Albert Bertilsson wrote:

>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
>
>That's actually quite strange because I've always noticed that Sharper runs
>better on AMD than Intel P4, and here it is the opposite. Still an AMD box
>is king of the hill (until we see a P4 with 1GB of RAM).
>
>/Regards Albert

I think we can deduct that if a P4 is faster with 256MB & 512MB hash, it'd be
faster with 1024MB also.  I only have a GB of RAM, so, I cannot bench with a GB.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.