Author: Barry Culp
Date: 07:24:59 11/28/04
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On November 28, 2004 at 09:52:41, Joachim Rang wrote: >On November 28, 2004 at 09:48:45, Joachim Rang wrote: > >>On November 27, 2004 at 18:05:07, Barry Culp wrote: >> >>>I know there was a long thread earlier on hyperthreading and engines that >>>support multiple processors. I ran some tests from the Chessbase Testsets folder >>>using the Marathon base test 1622 ECM, game #208 (solution ..Nxh7). My system is >>>a P4 3.6ghz with 2gb RAM. All tests used Shredder 8, 1gb hash, default engine >>>options except learning disabled and style=aggressive. I ran each test twice to >>>see if results were consistent. >>> >>>Test 1 - Hyperthreading disabled in BIOS - Shredder threads = 1 >>> time 11:53 ply 18/50 nodes 303621 >>> time 11:39 ply 18/50 nodes 303621 >>> >>>Test 2 - Hyperthreading enabled in BIOS - Shredder threads = 2 >>> time 10:45 ply 18/43 nodes 335338 >>> time 11:08 ply 18/46 nodes 345877 >>> >>>Test 3 - Hyperthreading enabled in BIOS - Shredder threads = 1 >>> time 11:27 ply 18/50 nodes 303621 >>> time 11:35 ply 18/50 nodes 303621 >>> >>>I was thinking off turning hyperthreading OFF on my system but after these tests >>>I dont think I will :) >>> >>>Barry >> >> >>Well, that's one position and not even the right parameter tested. Take the >>whole test and solve it with your three configurations and compare numbers of >>solution and solution found. >> >>regards Joachim > >Okay I meant, solve the whole testsuite automatically with HT-enabled and >disabled and then compare the results. > >regards Joachim LOL ... thats pretty funny ..why dont you solve the whole testsuite and show us your numbers ? LOL
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