On Sun, 1 Feb 2004 18:36:25 -0500 Robert G. Waycott <[EMAIL PROTECTED]> wrote:
> Okay, okay ... well, like I said ... I run a dual-933 rig right now. I've been > doing SMP for quite some time in Gentoo. Pretty proficient with it on a P3 > platform. Just curious how things might be different with P4 Xeons. However, > since the box here is built with -march=pentium3, docs say that will only work > with PentiumIII system. Thus, the docs seem to intimate that Pentium4s will > not work. Though, I can see how this could not necessarily be the case. But > why wouldn't I want to change over to -march=pentium4 ?? Will this break > things or something? Won't the programs be a bit better optimized using > pentium4 for arch? >From '/etc/make.conf': # PENTIUM4 will generate invalid SSE2 instructions; use 'pentium3' instead. # Also, the performance gain when using pentium4 instead of pentium3 is minimal. -- Dennis Freise <[EMAIL PROTECTED]> GnuPG key fingerprint: 2DE8 CCEF 6E20 11D4 3B27 21EC B0BA 1749 D2C8 38ED Get my public key at : http://www.final-frontier.ath.cx/gpg_public_key.txt
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