[ut3] Older Linux Servers

Tanuva tanuva at gmx.net
Thu Oct 18 13:36:08 EDT 2007

Yes, this build of the server requires an SSE2-capable cpu, as it was said 
multiple times yet... Simply because it is compiled to use SSE2 
instructions - which seem to have effects on performance, why else should one 
tell the compiler to use them?


On Thursday, 18. October 2007 19:18:01 Mark Shields wrote:
> On 10/18/07, mix <mix at openflex.net> wrote:
> > Hi,
> >
> > There was a comment from ryan:
> > >> Are you saying the ut3beta dedicated linux server needs the SSE2
> > >> instruction set?
> > >
> > > It's built with -march=pentium4 -mtune=pentium4 -msse2 -mfpmath=sse ...
> > > so it will use generic instructions that were only available on
> > > P4-level hardware, and sse2 for all math operations.
> > >
> > > If you're still on Pentium III level hardware, it's time to upgrade.
> >
> > I think the last phrase says it.
> As someone else pointed out, calling an Athlon XP processor (which is what
> that thread was about, mostly), "Pentium III level hardware", is inaccurate
> and fairly harsh.  My question, which appears to have been unanswered to
> date, is that:  does it require sse2 instructions?  Does the code actually
> require sse2 instructiosn?  Stating it's built with that by posting the gcc
> options doesn't tell me the actual program requires it, just that whoever
> compiled the code made it require sse2 support.

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