Author: Mike Byrne
Date: 11:05:47 02/12/05
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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.
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