Author: Mike Byrne
Date: 11:12:53 02/12/05
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On February 12, 2005 at 14:05:47, Mike Byrne wrote: >On February 12, 2005 at 09:59:28, Michael P. Nance Sr. wrote: > >>On February 11, 2005 at 22:27:07, Mike Byrne wrote: >> >>>went through 20 attempts..basically xp 64 hates sata drive , even they are not >>>the boot drive ...I had to discoonect power and inter cables ... >>> >>>hmmmm..this is interesting , I just got a message tha win 64 needs 37 minutes to >>>install ? and this is with dual opterons?? >>I have a dual Opteron with Windows xp pro. as an operating system. Tell Me what >>increase or advantage this 64 bit would do for My chess Programs?>>>>Mike > >I ran a 32 bit Crafty on it -- my impression is that 32 Bit programs on opterons >are slower on x64 than on xp. Not 100% sure , since I have never had the 32 >bit os installed on the opterons. It maybe because when running 32-bit >applications, the software do have to be converted through an emulation layer >(of sorts) called Windows On Windows 64 (or, WoW64). Reportedly tests have shown >that WoW 64 does not affect application performance in any significant way, but >32 bit Crafty looked slower to me than I would have guessed. I will will retest >before I post the results because it may have been before I cranked up the FSB >to 229 Mhz. I didn't really answer the question -- it my opinion that only 64 bit chess programs benefit greatly from 64 bit OS running on 64 bit chips.
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