On 10 Feb 2015, at 01:31, Jed Brown <j...@jedbrown.org> wrote: > Lawrence Mitchell <lawrence.mitch...@imperial.ac.uk> writes: >> Having just tried a build with --download-mpich, I notice this problem >> does not occur. So should I shout at the OpenMPI team? > > Open MPI has many long-standing bugs with one-sided and datatypes. I > have pleaded with them to error instead of corrupting memory or > returning wrong results for unsupported cases. My recommendation is to > not use -sf_type window with Open MPI. > > I hear that they have newfound interest in fixing the decade-old > one-sided bugs, so I would say it is worth reporting this issue.
Thanks, I'll have a go.
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