12:26:24 +0200
> > From: Paul Kapinos
> > Subject: Re: [OMPI users] Re :Re: OpenMP and OpenMPI Issue
> > To: Open MPI Users
> > Message-ID: <500d26d0.4070...@rz.rwth-aachen.de>
> > Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
&
ing
> > trouble
> > over our infiniband network. I'm running a fairly large problem (uses about
> > 18GB), and part way in, I get the following errors:
>
> You say "big footprint"? I hear a bell ringing...
> http://www.open-mpi.org/faq/?category=openfabrics
get the following errors:
>
> You say "big footprint"? I hear a bell ringing...
> http://www.open-mpi.org/faq/?category=openfabrics#ib-low-reg-mem
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> --
> Dipl.-Inform. Paul Kapinos - High Performance Computing,
> RWTH Aachen Universit
Hello,
Placement of data in memory is highly implementation dependent. I assume you
are running on Linux. This OS libc (glibc) provides two different methods
for dynamic allocation of memory heap allocation and anonymous mappings.
Heap allocation is used for small data up to MMAP_TRESHOLD bytes
