[ut3] Linux Server and AMD Athlon 2600 dual processor

Sat Nov 17 08:51:54 EST 2007

While "ricer" flags make a marginal difference, I was under the impression
that being able to utilise these instruction sets is actually a decent boost
during runtime...no?

On 17/11/2007, Joel Wiramu Pauling <aenertia at aenertia.net> wrote:
>
> I think this is the point Ryan was making. While I will be the first to
> admit I am a ricer (someone who wants to squeeze every marginal gain out of
> my hardware). I also know that those gains due to compiler opt flags are
> very Marginal.
>
> 64bit advantage is however appreciable on servers with really large maps
> in a rotation, as the processes (even ut2004) can climb to above 4gb memory
> usage (presuming you have a system with more than 4gb) In situations where
> you have a big map like AS_MOTHERSHIP, and another big map like AS_ASSAULT
> loading in the background.
>
> If ryan says that ut3 will primarily be gfx bound I believe him. I know
> that this was deinately the case on an opteron 248, with 8gb of ram. For
> ut2004. UT2004 was a very clean scalable engine and would run on p3's fine.
> So long as you crippled fx options and rez.
>
> So... while I asked about arch optimized binaries, I also know how
> imperceivable difference it makes.
>
> Cheers.
>
> JoelW
>
> On 17/11/2007, Dominic Lepiane <archangel at nibble.bz> wrote:
> >
> > Yeah, I would like to know how much this pandering to out-dated CPUs is
> > going
> > to affect the rest of us.  I think sse2 was a reasonable requirement.
> >
> > <edit>Pretend I had a huge long rant/flambait about people with old
> > processors</edit>
> >
> > On Thursday 15 November 2007 19:39:25 Kris Kersey (Augustus) wrote:
> > > I agree.  I know that you need to support the lowest common
> > denominator
> > > but those of us with higher-end chips would hate to lose performance.
> > > Would it be a big inconvenience to have at least two binaries?  I know
> > you
> > > have to draw the line somewhere.  Although, one for sse, sse2, sse3,
> > and
> > > sse4 doesn't sound like a bad idea. ;-)  I'd be happy to do the
> > > benchmarking to test how much it actually makes a difference.
> > >
> > > Thanks,
> > > Kris Kersey (Augustus)
> > > LinuxHardware.org Site Manager
> > > augustus at linuxhardware.org
> > > Gentoo Linux AMD64 Developer
> > > augustus at gentoo.org
> > > AIM: Augustus22
> > >
> > > On Fri, 16 Nov 2007, Joel Wiramu Pauling wrote:
> > > > Any chance of having a wrapper script that calls an optimized binary
> > for
> > > > the particular cpu/arch flags?
> > > >
> > > > I know this increases the deployment payload but, I am a CFLAG opt
> > nut,
> > > > and disc space is cheap.
> > > >
> > > > (Yes you could do install time magic also, but...)
> > > >
> > > > I know that with ut2004 there were issues with getting amd64
> > binaries
> > > > in-line with i386 and vs versa. So perhaps having one unified binary
> > > > wrapper would be the way to go.
> > > >
> > > > On 16/11/2007, Rick Page <mpcacrucesalus at gmail.com> wrote:
> > > >> Thanks for the update Arne,
> > > >> The Celeron is Pentium 4 level hardware, but I am seeing better
> > > >> performance at a lower cost with the AMD. I have been comparing the
> > > >> two machines with different games and wanted to try UT3 demo before
> > > >> the retail release. I think I have seen enough good things with the
> >
> > > >> AMD machine that I am going to stick with it. Please, this is not
> > to
> > > >> start an Intel vs AMD war. It is just what I have observed. And yes
> > I
> > > >> know that the AMD processor in this case is better than the slower
> > > >> Celeron, but price is also a factor here.
> > > >> Rick
> > > >>
> > > >> On Nov 15, 2007 2:30 PM, Arne Brodowski <arne at planet-rcs.de> wrote:
> >
> > > >>> Hi Rick,
> > > >>>
> > > >>> to quote Ryan from the 14th October:
> > > >>>
> > > >>> ---
> > > >>> 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.
> > > >>> ---
> > > >>>
> > > >>> AMD Athlon 2600MP CPUs don't have the SSE2 Instruction-Set, so you
> > > >>> can't run the UT3 binary.
> > > >>>
> > > >>> best regards,
> > > >>> Arne
> > > >>>
> > > >>> Rick Page wrote:
> > > >>>> Hello everyone,
> > > >>>> I have been running the demo for some time on a 2.1GHz Celeron
> > without
> > > >>>> too much problems. I am now trying to get it to run on an AMD
> > Athlon
> > > >>>> 2600 MP. I am not sure if it is a problem with the betademo or if
> > it
> > > >>>> is a problem with my setup. The Celeron is running Red Hat 9 and
> > the
> > > >>>> AMD is running CentOS 5. Yes I know that there really isn't much
> > a
> > > >>>> difference between the two OS's. When I try running ./ut3demo
> > server
> > > >>>> DM-ShangriLa?........., I get an Illegal instruction. Nothing
> > else
> > > >>>> comes up, just Illegal instruction. If I just try ./ut3demo, I
> > get the
> > > >>>> same message. Yes, I know, not very helpful is it. That is why I
> > am
> > > >>>> leaning a little more towards my setup, but just wanted to check
> > to
> > > >>>> see if anyone else had this problem. Any helpful suggestions on
> > where
> > > >>>> to start to look would be greatly appreciated.
> > > >>>> Rick
> > > >>>>
> > > >>>>
> > > >>>> ---
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> > > >>>
> > > >>> ---
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> > > >>
> > > >> ---
> > > >> To unsubscribe, send a blank email to ut3-unsubscribe at icculus.org
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> > >
> > > ---
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> >
> >
> >
> > --
> > Dominic Lepiane
> >
> > "Of all the things I've lost, I miss my mind the most."
> > - Ozzy Osbourne
> >
> > ---
> > To unsubscribe, send a blank email to ut3-unsubscribe at icculus.org
> > Mailing list archives: http://icculus.org/cgi-bin/ezmlm/ezmlm-cgi?64
> >
> >
> >
>

-- 
Alex Boag-Munroe

Lack of planning on your part does not constitute an emergency on mine.
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