Author: Joachim Rang
Date: 06:52:41 11/28/04
Go up one level in this thread
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
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.