> [...]
>
> >From an adoption perspective, though, the ability to shine in
> micro-benchmarks is important, even if it means using an ad-hoc tuning.
> There is some justification for it after all. There are small clusters
> out there (many more than big ones, in fact) so taking maximum advantage
>
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> Is what George says accurate? If so, it sounds to me like OpenMPI
> does not comply with the MPI standard on the behavior of eager
> protocol. MPICH is getting dinged in this discussion because they
> have complied with the requirements of the MPI standard. IBM MPI
> also complies with the stand
> [...]
>
> MPICH2 manages to get about 5GB/s in shared memory performance on the
> Xeon 5420 system.
Does the sm btl use a memcpy with non-temporal stores like MPICH2?
This can be a big win for bandwidth benchmarks that don't actually
touch their receive buffers at all...
-Ron
University, USA
Tutorial Chair
Ira Pramanick, SUN Microsystems, USA
Workshop Chair
Dan Stanzione, Arizona State University, USA
Poster Chair
Henry Tufo, National Center for Atmospheric Research, USA
Publicity Chair
Ron Brightwell, Sandia National Labs, USA
Publication Chair
Marcin Paprzyck
rsity of Tsukuba, Japan
Steering Committee Liaison
Daniel S. Katz, Louisiana State University, USA
Tutorial Chair
Ira Pramanick, SUN Microsystems, USA
Workshop Chair
Dan Stanzione, Arizona State University, USA
Poster Chair
Henry Tufo, National Center for Atmospheric Research, USA
Publi
