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Re: [LUG] Athlon 64's

 

On Sat, 29 Oct 2005 09:34:52 +0100
Robin Cornelius wrote:

> 
> Hi guys,
> 
> How can i take advantage of an athlon 64 processor.
> 
> >From what i can make out the Athlon 64 is a extended i386 instruction
> set so i presume there are a whole buch of 64 bit instructions avaiable.
> So if i compile my kernel with the athlon 64 processor selected the
> kernel can take advantage of the 64 bit instructions. Thats well and
> good but is there much in the kernel that will benifit from 64 bit?
> there are no floating point operations in kernel space, may be some data
> transferers can be more efficient and in reduced clock cycles?
> 
> Its the apps and especialy number crunching/data processing that should
> benifit the most. I can't see any debain athlon64 sources so i assume i
> am stuck with i386 unless I want to compile everything (gentoo?) and i
> quite like debian and how things run at the moment anyway.
> 
> In general terms the processor and MB change has made my linux system
> much faster even without 64 bit instructions. Linux still booted after
> the mb/processor change and I have a couple of small issues to do with
> hotplug/udev but everyhing is good now. Windows on the other hand went
> ape, it blue screened with in a second of attempting to boot, i had to
> run a recovery cd on XP to get it working again and now it seems to run
> even slower than before!
> 
> Robin

If I remember rightly, Ubuntu has an AMD64bit version about, so you can have an 
almost-Debian system!

Grant.
-- 
Unix:  Some say the learning curve is steep, but you only have to climb it once.

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