On Thursday 21 August 2003 07:06, Dave I wrote:
On Wed, 20 Aug 2003 07:56:32 -0500, stephen wrote:
=) I'm replacing my P3 850/Asus CUV4X with an Athlon 2700+/Asus A7N8X-X, but =) would like to keep my gentoo intact as much as I can. =) =) Currently I use CFLAGS="-march=pentium3 -O3 -pipe -fomit-frame-pointer" and =) have things like mmx and sse in my USE flags (should I take those out and use =) 3dnow instead?). I also use LVM with vgroups for usr, usr/local, var and tmp. =) =) I wonder if this will even boot now. Can anyone give me some hints about the =) best way to make the transition? Any help appreciated. =)
For what it's worth, my "-march=athlon-xp -O2 -pipe -fomit-frame-pointer" HD booted on a P4 machine, didnt play with it though because it was just accidental that it booted from that HD.
I recall that some time ago I tried to recompile huge program on P3 machine with "march=athlon-xp" (just to see how it'll behave) and after that I was able to run it w/o any problems. How this could happen?
Because it looks like the only instructional difference between the two processors is that the Athlon-XP supports 3DNow (and 3DNow2) and the P3 does not. The application you compiled either did not use 3DNow, or you didn't execute the part of it which did ;)
Cheers, MAL
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