Author: Paul Petersson
Date: 02:58:36 10/06/98
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On October 06, 1998 at 02:20:07, Mark Young wrote: >On October 06, 1998 at 01:44:15, Mark Young wrote: > >>On October 05, 1998 at 20:42:12, Paul Petersson wrote: >> >>>Here are some results from testing two Celeron processors. I used the BT16 >>>position and Rebel 8. >>> >>> >>>REBEL 8 BT16 >>>-------------------------------------------- >>> >>>Celeron 266 @266 MHz (66*4) 5:29 >>> >>>Celeron 266 @400 MHz (100*4) 3:39 >>> >>> >>>Celeron 300A @300 MHz (66*4.5) 2:56 >>> >>>Celeron 300A @450 MHz (100*4.5) 1:58 >>> >>>Celeron 300A @460 MHz (102*4.5) 1:55 >>> >>>Celeron 300A @504 MHz (112*4.5) 1:45 >>> >>>It gets very hot at 504 MHz, and hangs after a while, but at 460 MHz and lower >>>it runs without problems. >>> >>> >>>Paul >> >>Some of the times you post seem a bit fast for the Intel chip. Did you use 4 mb >>of hash, and use the time to complete the full 9 ply search. Your 450mhz time of >>1:58 is very close to Ed's time of 1:44 for his 450mhz AMD K6-2 chip. If I use >>28mb of hash on my computer. I do a 9 ply search over 1 min faster then I do >>using 4mb. One of the reasons 28mb is faster is you do not find the key move >>Nxg2 so the program does not hang on that move for a long time, checking out the >>move to make sure it is good. Now at 60mb Hash I find the key move Nxg2 and it >>take me about 1 min longer to do 9 plys over 28mb hash and about the same as 4mb >>hash. > >Here is what I mean. > >4mb hash, time to finish 9 ply search 2:33, move found after 9ply search Nxg2 > >28mb hash, time to finish 9 ply search 1:49, move found after 9ply search Nf5 > >60mb hash, time to finish 9 ply search 2:35, move found after 9ply search Nxg2 > >Rebel 8 running under windows. PII 400 I did the test precisely as described at Ed´s homepage. 4 MB hash. At 460 MHz it finds Nxg2 in 1:42, and finishes at 1:55 after searching 19211713 nodes. Paul
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