MPICH vs LAM

Greg Lindahl lindahl at keyresearch.com
Wed Sep 24 15:59:50 EDT 2003


On Tue, Sep 23, 2003 at 10:49:56AM -0600, Josip Loncaric wrote:

> MPICH is very popular and works fine, but LAM is a bit cleaner 
> implementation which delivers a bit lower latency.  Other than that, the 
> main difference is process startup.  With MPICH, "mpirun" does the job 
> directly and accepts the usual rsh or ssh authorization overhead.

mpich now distributes multiple startup mechanisms -- one is similar to
the LAM daemon approach. This is a sign that the MPI community is
doing a good job of borrowing good ideas from each other.

-- greg

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