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From: Brian Barrett (bbarrett_at_[hidden])
Date: 2007-08-24 11:12:36


On Aug 24, 2007, at 9:08 AM, George Bosilca wrote:

> By heterogeneous RTE I was talking about what will happened once we
> have the RSL. Different back-end will support different features, so
> from the user perspective we will not provide a homogeneous execution
> environment in all situations. On the other hand, focusing our
> efforts in ORTE will guarantee this homogeneity in all cases.

Is this a good thing? I think no, and we already don't have it. On
Cray, we don't use mpirun but yod. Livermore wants us to use SLURM
directly instead of our mpirun kludge. Those are heterogeneous from
the user perspective. But are also what the user expects on those
platforms.

Brian