[svlug] Linux performance tuning

Justin Ryan [PHT] justin at turbolinux.com
Mon Apr 26 14:48:01 PDT 1999


> If you compile the kernel with egcs it may help generally, but in your
> specific case it would only help if your app spends a good deal of time
> in the kernel (uses lots of system calls). You could realize a small
> speedup if you compile the app with egcs, and use cflags that will 
> generate better code for the processor, such as -mcpu=686 -march=pentium
> for instance.

I don't know about small improvement, I know it would be different
depending on what the app did, when zdnet benched samba against NT they
used SuSe and TurboLinux, turbo was like 50% faster than SuSe

> Have you enabled your kernel for SMP? That may also speed things up. I
> don't use SMP, so I don't know if a single process is limited to a 
> single processor, or if Linux is smart enough to balance the process
> load across both. Even so, the kernel and other processes would get
> one processor while your app got the second one, so this could be
> a good improvement.
> 
> > Will
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|--------------------------------------------------
|Justin Ryan
|Developer Relations / Support Associate
|Pacific HiTech / TurboLinux
|http://www.turbolinux.com / justin at turbolinux.com
|WebMaster, PCHelp - http://computers.iwz.com
|justin at computers.iwz.com
|--------------------------------------------------


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