[mpich-devel] when is MPICH going to be count-safe?

Jim Dinan james.dinan at gmail.com
Fri Oct 18 14:25:34 CDT 2013


(Disclaimer: I haven't looked at the branch in question, so please ignore
if redundant)  It would be good to commit the test case too, if you haven't
already added it.


On Tue, Oct 15, 2013 at 4:00 PM, Rob Latham <robl at mcs.anl.gov> wrote:

> On Mon, Oct 14, 2013 at 09:54:56PM -0500, Rob Latham wrote:
> > good news is that I think everything "important" is happening
> > correctly.  It's just that when the status object is updated it's
> > picking up an overflowed integer.  status.count is MPI_Count big, so
> > that's not the source of the overflow.  will look once more at my
> > mountain of clang -Wshorten-64-to-32 related warnings in the morning.
>
> Jeff found the casts to int and I've added his two patches to my
> branch in -review.   Jeff and I now pass Jeff's testcase.
>
> ==rob
>
> --
> Rob Latham
> Mathematics and Computer Science Division
> Argonne National Lab, IL USA
>
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