Author: Uri Blass
Date: 19:23:35 10/26/05
Go up one level in this thread
On October 26, 2005 at 16:10:20, Peter Kasinski wrote: >On October 26, 2005 at 12:22:31, Uri Blass wrote: > >>On October 26, 2005 at 11:30:44, Sedat wrote: >> >>>On October 26, 2005 at 11:09:20, Peter Kasinski wrote: >>> >>>>- Match of 24 games >>>>- Fruit 2.2: FX-55 2.6 GHz; 512 Mb hash >>>>- Deep Junior 9: Athlon 64 X2 4600+ 2.4GHz Dual Core; 1408Mb hash >>>>- Fruit using Shredder GUI and its own book >>>>- Junior with 3,4,5 and 138Gb of 6-man tablebases >>>>- Time Control: 40 in 120, 20 in 60, rest in 30 >>>> >>>>Game 14: Fruit wins >>>>Game 15: draw >>>>Game 16: Junior wins (first of the match) >>>> >>>>Fruit leads 11.0 - 5.0 (+7 -1 =8) and needs 1.5 points from 8 to take the match. >>> >>> >>>Hello Peter, >>> >>>Thanks a lot for the update... >>> >>>I love to join and watch such interesting matches on super fast computers !! >>> >>>I see that Deep Junior 9 uses both cores and even this processor addvantage does >>>not help to DJ9 !! >>> >>>Best, >>>Sedat >> >>I am not sure if the use of 1408 Mbytes is an advantage for Junior. >> >>Note that programs usually are not tested in these conditions and >>I doubt if Amir has so much hash to use in his tests so it is possible that >>Junior is weaker from too much hash tables. >>I remember that Junior blundered by avoiding Rxe6 in one of the games and it is >>possible that using too much hash was one of the reasons for that. >> >>Uri > >Junior's middlegame NPS is typically 3 to 4 million on this hardware. >During WCC it ran on a 4-way Opteron at (presumably) twice the speed. Given >that, the suggested detrimental effect of large hash tables would seem like an >inexcusable deficiency to me. Of course, this is just a conjecture. The >unfortunate 31.Qe5? could have been caused by another problem altogether. > >PK > >PS. Come to think of it: would you happen to know what Amir's tournament setting >for Junior's hash table size would be? No I think that the best is simply to send an email to Amir Ban about it. his email Amir Ban <amirban@netvision.net.il> Uri
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