[petsc-users] Pthread support
Jed Brown
jedbrown at mcs.anl.gov
Mon Jul 23 22:04:22 CDT 2012
On Mon, Jul 23, 2012 at 10:00 PM, Alexander Goncharov <alexvg77 at gmail.com>wrote:
> thank you for a quick reply. If I run ex2 with -mat_type seqaijpthread
> -nthreads 4, everything runs fine. I see 400% utilization.
>
> The problem persists if I just start two instances of the ex2 from the
> console without seqaijpthread/seqpthread options. Just two single
> processor jobs. They show up as two 50% jobs in the "top" output and run
> slower. I hope I made my problem more clear.
>
Does -nthreads 1 fix it?
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120723/6e911ae3/attachment.html>
More information about the petsc-users
mailing list