On 05/05/17 12:10, marcin.krotkiewski wrote: > in my case it was enough to allocate my own arrays using posix_memalign. Be happy. This did not work for Fortran codes..
But since that worked, it means that 1.10.6 deals somehow better with unaligned data. Anyone knows the reason for this?
In 1.10.x series there were 'memory hooks' - Open MPI did take some care abount the alignment. This was removed in 2.x series, cf. the whole thread on my link.
-- Dipl.-Inform. Paul Kapinos - High Performance Computing, RWTH Aachen University, IT Center Seffenter Weg 23, D 52074 Aachen (Germany) Tel: +49 241/80-24915
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