Author: Robert Hyatt
Date: 08:53:53 12/05/02
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On December 05, 2002 at 11:06:39, Christopher A. Morgan wrote: >Has anyone run any chess programs on the new P4 3.03 with HT (Hyper-Threading)? >Does anyone have a Fritzmark test result? Reading Tom’s Hardware Guide it seems >that the principal benefit from HT is in running multiple applications at the >same time, certainly a tremendous benefit, of course. Would there be any >benefit when running single chess application on P4 3.03 with HT versus P4 3.0 >GHz without HT? > >Tiger Direct doesn’t have the P4 3.03 with HT for sale. Price Watch lists a >bare bones system for $1,399 (Nova Computers in Texas, 512 DDR, 20 Gig, CDRW-DVD >combo, etc. which seems cheap. > >Thanks! I posted some results on a dual xeon 2.8 with HT yesterday. if the NPS for crafty is X using two cpus with HT disabled, then enabling HT and using four threads runs 1.33x faster or a little better. I will post some definitive results when I get this new machine up and the ftp machine is replaced by my old quad... Bob And note that the above speedup is for "stock crafty" without the HT suggestions made by Intel with respect to the "pause" instruction in spin loops. I will get to that later this week I hope...
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