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

[Till Straumann]

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?
>
>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