[mpich-discuss] MCS lock and MPI RMA problem

Ask Jakobsen afj at qeye-labs.com
Tue Mar 14 14:03:12 CDT 2017


 $ mpicc -Wall main.c mcs-lock-fop.c

$ while true; do mpiexec -n 2 ./a.out ; done

At some point it does locks up.

On Tue, Mar 14, 2017 at 7:52 PM, Balaji, Pavan <balaji at anl.gov> wrote:

>
> Thanks.  I can't seem to reproduce the deadlock anymore after the
> MODE_NOCHECK hint.  Can you tell us how to reproduce it?
>
>   -- Pavan
>
> > On Mar 14, 2017, at 1:43 PM, Ask Jakobsen <afj at qeye-labs.com> wrote:
> >
> > Sorry, now header file is attached.
> >
> > On Tue, Mar 14, 2017 at 5:11 PM, Balaji, Pavan <balaji at anl.gov> wrote:
> >
> > > On Mar 14, 2017, at 4:58 AM, Ask Jakobsen <afj at qeye-labs.com> wrote:
> > > The MPI_Fetch_and_op version trying to implement Pavan's ideas as I
> understand it (no async progress necessary, but also tested with it
> enabled).
> >
> > The header file is missing.
> >
> >   -- Pavan
> >
> > _______________________________________________
> > discuss mailing list     discuss at mpich.org
> > To manage subscription options or unsubscribe:
> > https://lists.mpich.org/mailman/listinfo/discuss
> >
> >
> > <mcs-lock.h>_______________________________________________
> > discuss mailing list     discuss at mpich.org
> > To manage subscription options or unsubscribe:
> > https://lists.mpich.org/mailman/listinfo/discuss
>
> _______________________________________________
> discuss mailing list     discuss at mpich.org
> To manage subscription options or unsubscribe:
> https://lists.mpich.org/mailman/listinfo/discuss
>



-- 
*Ask Jakobsen*
R&D

Qeye Labs
Lersø Parkallé 107
2100 Copenhagen Ø
Denmark

mobile: +45 2834 6936
email: afj at Qeye-Labs.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mpich.org/pipermail/discuss/attachments/20170314/f791c961/attachment.html>
-------------- next part --------------
_______________________________________________
discuss mailing list     discuss at mpich.org
To manage subscription options or unsubscribe:
https://lists.mpich.org/mailman/listinfo/discuss


More information about the discuss mailing list