[petsc-dev] Runtime errors for spooles on BlueGene/Q

[Jed Brown]

We can apply this patch, but do you really find Spooles useful? It has not
been maintained in a long time.
On Sep 9, 2012 8:46 AM, "Stefano Zampini" <stefano.zampini at gmail.com> wrote:

> Hi all,
>
> on BG/Q, I cannot use the current version of spooles when configuring
> petsc with download-spooles=1.
> Namely, I get runtime errors related on MPI buffers aliasing in
> MPI_Allgather calls.
> Aliasing is prohibited by the MPI standard as in Fortran standards.
>
> Attached please find some modified spooles' files which work on BG/Q.
> I only changed the files that use MPI_Allgather. I don't know if there are
> other aliasings inside the code.
> I tested them and now it works. No more runtime errors.
>
> Could you patch the PETSc version of spooles with these new files?
>
> --
> Stefano
>
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