[mpich-discuss] MPI and bordered block system with LU decomposition

Jeff Hammond jeff.science at gmail.com
Wed Sep 11 16:31:28 CDT 2013


Did you fix the problem with your not calling collectives collectively too?


On Wed, Sep 11, 2013 at 12:56 PM, Mauro Crociara
<mauro.crociara at gmail.com>wrote:

> Ok thanks for the support, but i got the same problem with MPI_Reduce
> (d_tmp, b_tmp, LD * N, MPI_DOUBLE, MPI_SUM, MASTER, MPI_COMM_WORLD);
>
> Best
> Mauro Crociara
>
> 2013/9/11 Jeff Hammond <jeff.science at gmail.com>:
> > I answered on stackoverflow.
> >
> > Best,
> >
> > Jeff
> >
> >
> > On Wed, Sep 11, 2013 at 11:20 AM, Mauro Crociara <
> mauro.crociara at gmail.com>
> > wrote:
> >>
> >> Hi guys, i'm new with MPI and i got some problem to transform a serial
> >> code into parallel code, please see here for thecode
> >>
> >>
> http://stackoverflow.com/questions/18743721/mpi-bordered-block-system-matrix-with-lu-decomposition
> >>
> >> Here the GDB error: http://bpaste.net/show/tDDBNTyqVpUjxFUF3qSr/
> >>
> >> I'm sorry for the Italian comments, please ignore it. Btw the code
> >> should be clear. Thanks so much in advance.
> >>
> >> Have a nice day guys!
> >> --
> >>
> >> Best Regards,
> >> Mauro Crociara
> >>
> >> _______________________________________________
> >> discuss mailing list     discuss at mpich.org
> >> To manage subscription options or unsubscribe:
> >> https://lists.mpich.org/mailman/listinfo/discuss
> >
> >
> >
> >
> > --
> > Jeff Hammond
> > jeff.science at gmail.com
> >
> > _______________________________________________
> > discuss mailing list     discuss at mpich.org
> > To manage subscription options or unsubscribe:
> > https://lists.mpich.org/mailman/listinfo/discuss
>
>
>
> --
>
> Cordiali saluti,
> Mauro Crociara
> _______________________________________________
> discuss mailing list     discuss at mpich.org
> To manage subscription options or unsubscribe:
> https://lists.mpich.org/mailman/listinfo/discuss
>



-- 
Jeff Hammond
jeff.science at gmail.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mpich.org/pipermail/discuss/attachments/20130911/50dd0410/attachment.html>


More information about the discuss mailing list