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Re^2: OpenMPI and Perl

by spadacciniweb (Deacon)
on Nov 19, 2009 at 13:07 UTC ( #808145=note: print w/ replies, xml ) Need Help??


in reply to Re: OpenMPI and Perl
in thread OpenMPI and Perl

Yes

> objdump -tT /usr/local/lib/perl/5.10.0/auto/Parallel/MPI/Simple/Simp +le.so | grep ompi_mpi_char 00000000 *UND* 00000000 ompi_mpi_char 00000000 D *UND* 00000000 ompi_mpi_char

but there isn't in others libs. So this is the problem, isn't true?

Mariano

(($_="Mzz ojjdloobnf jt uvy5502383")=~y~b-zg2-5c96-81~a-z0-9~s)=~s~~~s; print


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Re^3: OpenMPI and Perl
by almut (Canon) on Nov 19, 2009 at 14:32 UTC
    but there isn't in others libs. So this is the problem

    Looks like it, yes.  Maybe your MPI library is the wrong version (too old)? A quick grep through the current Open MPI sources shows the symbol is defined in ./ompi/datatype/dt_module.c.  But I'm no Open MPI expert, and can't tell from the top of my head if that symbol should end up in the lib libmpich-p4mpd.so.1.0 (which you seem to have), or in some other related lib...

    You could try compiling the sources yourself (unless you've already done so), and check every .so/.a file being created for the occurrence of the symbol.

      Ok, I think my libmpich-p4mpd.so.1.0 lib is too old. It is a package (prebuild in my distribution).
      Now I am recompiling OpenMPI lib from source.

      Thank you,
      Mariano

      (($_="Mzz ojjdloobnf jt uvy5502383")=~y~b-zg2-5c96-81~a-z0-9~s)=~s~~~s; print

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