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From: <burlingk@cv63.navy.mil>
To: <gentoo-user@lists.gentoo.org>
Subject: RE: [gentoo-user] which -march flag to pick for Intel Core 2 Duo      in make.conf?
Date: Fri, 25 May 2007 18:10:56 +0900	[thread overview]
Message-ID: <AA0639A1EB70AE409130258CE7BDC31806646B17@messenger.cv63.navy.mil> (raw)



> -----Original Message-----
> From: Randy Barlow [mailto:randy@electronsweatshop.com] 
> Sent: Friday, May 25, 2007 4:23 PM
> To: gentoo-user@lists.gentoo.org
> Subject: Re: [gentoo-user] which -march flag to pick for 
> Intel Core 2 Duo in make.conf?
> 
<Snip>

> If you are using a lot of memory in your computations, then 
> the 64-bit environment will be much friendlier to you :)  
> Also, if I understand correctly, you will get higher 
> precision on floating point calculations (someone correct me 
> if I am wrong here!)  I also believe that the 64 bit 
> processors are able to perform more instructions per second 
> on average when executing 64 bit code vs. 32 bit code if I am 
> not mistaken...

I am not sure, but that makes sense.  If nothing else, things executed
directly usually run more smoothly than those who are run through
emulation.  64bit code on 64bit processor good...
^_^
--
gentoo-user@gentoo.org mailing list



             reply	other threads:[~2007-05-25  9:18 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-25  9:10 burlingk [this message]
2007-05-25 17:03 ` [gentoo-user] which -march flag to pick for Intel Core 2 Duo in make.conf? Andreas Claesson
2007-05-25 18:26   ` Denis
2007-05-28  3:05     ` Randy Barlow
2007-05-31  1:11     ` Dan Farrell
  -- strict thread matches above, loose matches on Subject: below --
2007-05-24 13:55 Denis
2007-05-24 14:15 ` Ryan Sims
2007-05-24 14:17 ` Mark Shields
2007-05-24 15:13   ` Denis
2007-05-24 15:43     ` Neil Bothwick
2007-05-24 15:55       ` Graham Murray
2007-05-24 16:38       ` Denis
2007-05-25  7:22         ` Randy Barlow

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