[ut3] Linux Server and AMD Athlon 2600 dual processor

Fri Nov 16 19:26:55 EST 2007

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
> > >>>>
> > >>>>
> > >>>> ---
> > >>>> To unsubscribe, send a blank email to ut3-unsubscribe at icculus.org
> > >>>> Mailing list archives:
> http://icculus.org/cgi-bin/ezmlm/ezmlm-cgi?64
> > >>>
> > >>> ---
> > >>> To unsubscribe, send a blank email to ut3-unsubscribe at icculus.org
> > >>> Mailing list archives: http://icculus.org/cgi-bin/ezmlm/ezmlm-cgi?64
> > >>
> > >> ---
> > >> To unsubscribe, send a blank email to ut3-unsubscribe at icculus.org
> > >> Mailing list archives: http://icculus.org/cgi-bin/ezmlm/ezmlm-cgi?64
> >
> > ---
> > To unsubscribe, send a blank email to ut3-unsubscribe at icculus.org
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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
>
>
>
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