Re: [gentoo-dev] Re: [gentoo-user] Upgrade, course of action.

From: Dominik Westner <lists@logicunited.com>
To: Michael Monsen <gentoo@themonsens.org>
Cc: <gentoo-user@gentoo.org>, <gentoo-dev@gentoo.org>
Subject: Re: [gentoo-dev] Re: [gentoo-user] Upgrade, course of action.
Date: Fri, 23 Aug 2002 20:20:47 +0200	[thread overview]
Message-ID: <0B841092-B6C5-11D6-B181-000393823B30@logicunited.com> (raw)
In-Reply-To: <iqocmu0ojfqunsjsrq48nfj5bsu3jhrn07@4ax.com>

It should work out of the box for the Athlon. You might need to do the 
usual stuff when you get new hardware, compile new kernel ... ;-)

If you want to have a Athlon optimizied system (should be worth when 
using gcc-3.x ... at least people tell me), you can have a look at:

http://gentoo.zhware.net/fuq.html

which mentions a couple of methods how to recompile your whole system.

Btw. I use the following for my Athlon XP 1800:

CHOST="i686-pc-linux-gnu"
CFLAGS="-march=athlon-xp -mmmx -msse -m3dnow -mfpmath=sse 
-fomit-frame-pointer -O3 -Wall -pipe"
CXXFLAGS="-march=athlon-xp -mmmx -msse -m3dnow -mfpmath=sse 
-fomit-frame-pointer -O3 -Wall -pipe"

with gcc-3.2.

Greetings

Dominik

On Freitag, August 23, 2002, at 06:31 PM, Michael Monsen wrote:

> While visiting the prison at D'Ni on Fri, 23 Aug 2002 04:22:49 -0500
> (CDT), "Gregg" <gregg@sc.am> was overheard saying to the guard:
>
>> I run a server, it hosts 127 websites.  Has many users for various 
>> other
>> things.  It is currently on a celeron 600 overclocked to 675, with 256
>> megs of ram.  The motherboard supports celeron and pII.  It is 
>> beginning
>> to choke.  It is time to upgrade the motherboard, cpu and ram. Since 
>> this
>> is an old setup (celeron and old mobo) what do I need to do when 
>> replacing
>> them.  Everything is obviously compiled for it.  I have not changed 
>> any of
>> my flags in the configuration files.  So it is all just i686 in the
>> c*flags.  I want to go up to an athlon 2200.  So, what do I need to
>> consider before switching them out, what do I need to do afterword .  
>> This
>> is a 1.3b_test system with all the latest updates (except gcc 3.2, I am
>> still on 3.1.1)
>
> 	I'm new to the list and Gentoo, but I would think that your new Athlon
> would run the i686 binaries without trouble at all.  If I were in your
> position I'd do the hardware upgrade and then after the upgrade, change
> the flags to Athlon optimizations.  As you upgrade packages your system
> will slowly convert over to Athlon-specific binaries.
>
> 	Somebody please correct me if I'm wrong!
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