Author: Frank Quisinsky
Date: 08:35:33 11/02/04
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On November 02, 2004 at 10:24:55, Ernest Bonnem wrote: >On November 02, 2004 at 06:38:45, Frank Quisinsky wrote: > >>Hi, >> >>at the moment I am working on an 2x 3.6GHz Xeon system. Shredder 8.0 with around >>1.6-1.7 Million nps. On my Dual 2x 2.8GHz Xeon around with 1.1-1.2. >.......... > >That seems a lot ! >Frank, how much nps do you get on Shredder8 initial position (after 30 sec >computing)? >On my AMD running around 1540 MHz (normally equivalent to a 2200-2300 MHz P4) >and 256MB hash, I get around 250 Knps. Now I cann't give you the results from the Dual Xeon 3.6 (not my system and I am not working on this system so far) but Shredder have around on my Dual Xeon 2.8 with Hyperthreading = On 1.150 nps. If I used the normally board settings around 1.050 nps. I have very very fast registered RAM moduls, I believe this is very important for such a system. The most of the time I don't overclocked my systems and used the normally board settings because on my Dual System is my ATL League still running and overclocking is here not very important. I used overclocking only for test the processor temperature and test different cooler. For me much more important that my system works fine and with Tyan Dual boards and Intel processors I never have any problems in the latest years. Only with a motherboard from ABit with 2x 1GHz Pentium III processors. This board have a big problem with in German "Taktgeber". My Pentium III 733 Dual works four years only problems, I for sell the PC last year. Tyan is a really good address for "Dual Intel Chess Systems". I test in morning on Dual Xeon 3.6 (has Level 3 cache, my Dual Xeon 2.8 / 533 don't have Level 3 Cache) and it seems that the Level 3 Cache is ""PERHAPS now" good for Shredder (not sure about it). Februray 2004 I have test the following processors on my board: Dual Xeon 3.0 Level 3 Cache (with Crafty bench) and the results from my 2.8 Xeon Processors are faster. So I am thinking that the Level 3 Cache isn't very good for chess. Perhaps the newer Xeon processors have an other Level 3 Cache technology. Dual Xeon 3.0 / 533 but here the different is not big enough to buy this processors and I hold my 2.8 processors. Furhtermore, I have problems with my board with this 3.0 processors. I have my Dual system now since January 2004 and never I see a blue screen comes from OS. After an over night analyzes with the Xeon 3.0 processors I see a blue screen, perhaps one of the processors have a little problem. April I test Xeon 3.2 with Level 3 cache and the processors are not many fasters as my Xeon 2.8 / 533. But the Xeon I work in the morning with 3.6 GHz are really a very fast processor. Shredder have after my favorite B01 System and 16 moves around 1.680 nps with the newest Crosair RAMs and the newest Tyan board. I like this system, because I have created this system now three times and never I have a problem with the hardware. Best Frank
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