Fwd: RTEMS pthreads performance (was RTEMS vs other real timeOperating Systems ..)

Joel Sherrill joel.sherrill at OARcorp.com
Tue Dec 3 13:06:37 UTC 2002



Till Straumann wrote:
> 
> Kamen Penev wrote:
> 
> >Hi!
> >
> >Looking at your work comparing RTEMS, RTLinux and vxWorks, I am wondering
> >about the unusually poor RTEMS+pthreads result for context switching on a
> >loaded system. Has this been explained (better yet fixed)by the RTEMS
> >development team?

Which RTEMS version/target CPU/configuration?

> >Thanks.
> >
> >Kamen Penev
> >Adept Technology
> >
> >
> >
> Good question. I am not using pthreads and the honest answer is "I dont
> know".
> I remember, however having brought this to Joel Sherrill's attention
> (back in 2001
> when I did the tests) and I believe he had some ideas about the cause...
> 
> -- Till

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
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