On 14:36 Wed 30 Jan , Jeff Squyres (jsquyres) wrote: > On Jan 30, 2013, at 7:36 AM, Siegmar Gross > <siegmar.gr...@informatik.hs-fulda.de> wrote: > > > HiI have no problem with the option --enable-heterogeneous, when I build > > Open MPI, but Open MPI will not work in a heterogeneous environment > > with little and big endian machines, > > Right -- that's the issue: --enable-heterogeneous is broken (and has been for > a long time). No one has stepped up to fix it, so we might as well disable > the option so that users don't think that we support it.
But isn't heterogeneity the main reason for having MPI datatypes in the first place? Otherwise I could always use MPI_CHAR and sizeof(Foo). > > while LAM MPI can handle such > > environments. You wanted to solve this problem. > > > > https://svn.open-mpi.org/trac/ompi/ticket/3430 > > Understood. But the reality is that this is a very uncommon feature, and we > apparently don't have the resources to fix it. :-\ Could you give a rough estimate on how much effort this would be? Best -Andreas -- ========================================================== Andreas Schäfer HPC and Grid Computing Chair of Computer Science 3 Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany +49 9131 85-27910 PGP/GPG key via keyserver http://www.libgeodecomp.org ========================================================== (\___/) (+'.'+) (")_(") This is Bunny. Copy and paste Bunny into your signature to help him gain world domination!
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