Author: Uri Blass
Date: 03:07:01 10/08/01
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On October 08, 2001 at 03:13:22, Jouni Uski wrote: >In latest SSDF list benefit from Athlon 1200 Mhz to K6-2 450 Mhz is: > >Deep Fritz 72 >Gambit Tiger 80 >Tiger 71 >Shredder 99 >Junior 55 >Gandalf 142 > >In average this is +84 points (weighted by number of games). In CSS 1/01 there >is some benchmarks for Atlon with all these program. I compared them to my own >K6-450 and got speedup: > >Deep Fritz 3,40 >Junior 3,43 >Shredder 4,73 >Tiger(both) 2,67 >Gandalf 5,30 > >In average 3,70. This gives (log2/log3,7)*84 = 45 points for speed doubling. >Previously it has been spoken about 60-70 points for doubling, so there is >diminishing returns now! > >Jouni I think that the reason may be the fact that opening books start to dominate when the hardware gets better. It may be interesting to get a nunn2 rating list when programs play without opening books. I believe that the nunn2 positions are complicated enough so the result is practically not decided in them by the initial position. I already do the nunn2 match between Tiger14 and Deep Fritz at depth 13 on p850. I think that I wasted 160 hours of computer time about these game and Tiger is leading 23-18. This result proves nothing and I need to do the match of depth 13 against depthes 12 and 11 and to compare them with the results of small depthes in order to get information if there is a diminishoing returns in the nunn2 match. The results did not suggest significant diminishing returns at small depthes. Uri
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