[hlds_linux] TF2 Multicore server support

Does anyone know if muti-threading/multi-core servers is on the horizon?
I know we can pile l4d servers on a server all day long, but when it
comes to TF we have to be particularly careful for CPU load.

Also, does linux natively distribute processes between cores when it
launches new processes? mpstat always shows cpu usage spread evenly with
Read more on: : i3D.net Game Forums /hlds-valve-linux-newsletter/100123-hlds_linux-tf2-multicore-server-support.html
TF running, which is kind of confusing. Any information would help.

Regards,

-f0rkz


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F0rkz,

Linux will mostly evenly spread running processes around processors as
it requires, indeed. This applies to forks, threads, and completely
separate processes as long as you don't fiddle with the processor
affinity. I can't see why a multithreaded game server would be much use,
especially considering a game server instance only uses a fractional
part of a CPU core these days - as you may have seen people are running
64 L4D forks on dual quad cores without much issue.

HTH,
Chris

f0rkz wrote:
> Does anyone know if muti-threading/multi-core servers is on the horizon?
> I know we can pile l4d servers on a server all day long, but when it
> comes to TF we have to be particularly careful for CPU load.
>
> Also, does linux natively distribute processes between cores when it
> launches new processes? mpstat always shows cpu usage spread evenly with
> TF running, which is kind of confusing. Any information would help.
>
> Regards,
>
> -f0rkz
>
>
> _______________________________________________
> To unsubscribe, edit your list preferences, or view the list archives, please visit:
> http://list.valvesoftware.com/mailma...nfo/hlds_linux
Read more on: : i3D.net Game Forums http://forum.i3d.net/showthread.php?t=100123
>

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http://forums.srcds.com/viewtopic/4613

That was back in 07, I had hair then.
Kyle.

On Mon, Nov 23, 2009 at 1:55 PM, Chris Boot <bootc (AT) net> wrote:

> F0rkz,
>
> Linux will mostly evenly spread running processes around processors as
> it requires, indeed. This applies to forks, threads, and completely
> separate processes as long as you don't fiddle with the processor
> affinity. I can't see why a multithreaded game server would be much use,
> especially considering a game server instance only uses a fractional
> part of a CPU core these days - as you may have seen people are running
> 64 L4D forks on dual quad cores without much issue.
>
> HTH,
> Chris
>
> f0rkz wrote:
> > Does anyone know if muti-threading/multi-core servers is on the horizon?
> > I know we can pile l4d servers on a server all day long, but when it
> > comes to TF we have to be particularly careful for CPU load.
> >
> > Also, does linux natively distribute processes between cores when it
Read more on: : i3D.net Game Forums http://forum.i3d.net/showthread.php?t=100123
> > launches new processes? mpstat always shows cpu usage spread evenly with
> > TF running, which is kind of confusing. Any information would help.
> >
> > Regards,
> >
> > -f0rkz
> >
> >
> > _______________________________________________
> > To unsubscribe, edit your list preferences, or view the list archives,
> please visit:
> > http://list.valvesoftware.com/mailma...nfo/hlds_linux
> >
>
> _______________________________________________
> To unsubscribe, edit your list preferences, or view the list archives,
> please visit:
> http://list.valvesoftware.com/mailma...nfo/hlds_linux
>
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Good to know about the spreading. Multicore server support would help
for those of us with dual Xeon dual core hyper-threaded CPUs.

Now, l4d on the other hand supports multicore like a champ. That is why
we can run forks of 100+ l4d servers. Just not TF2 yet...this will
drastically help the performance of 32 slot servers.

-f0rkz

On Mon, 2009-11-23 at 21:55 +0000, Chris Boot wrote:
> F0rkz,
>
> Linux will mostly evenly spread running processes around processors as
> it requires, indeed. This applies to forks, threads, and completely
> separate processes as long as you don't fiddle with the processor
> affinity. I can't see why a multithreaded game server would be much use,
> especially considering a game server instance only uses a fractional
Read more on: : i3D.net Game Forums http://forum.i3d.net/showthread.php?t=100123
> part of a CPU core these days - as you may have seen people are running
> 64 L4D forks on dual quad cores without much issue.
>
> HTH,
> Chris
>
> f0rkz wrote:
> > Does anyone know if muti-threading/multi-core servers is on the horizon?
> > I know we can pile l4d servers on a server all day long, but when it
> > comes to TF we have to be particularly careful for CPU load.
> >
> > Also, does linux natively distribute processes between cores when it
> > launches new processes? mpstat always shows cpu usage spread evenly with
> > TF running, which is kind of confusing. Any information would help.
> >
> > Regards,
> >
> > -f0rkz
> >
> >
> > _______________________________________________
> > To unsubscribe, edit your list preferences, or view the list archives, please visit:
> > http://list.valvesoftware.com/mailma...nfo/hlds_linux
> >
>
> _______________________________________________
> To unsubscribe, edit your list preferences, or view the list archives, please visit:
> http://list.valvesoftware.com/mailma...nfo/hlds_linux



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