Greetings Neil.
In addition to what George and Mitch said:
Open MPI will not require a full set of daemons like LAM/MPI does. You
can have a full set if you wish, especially in environments where it
makes sense (e.g., rsh/ssh, where there is little other infrastructure
to do proper distribut
Neil,
Long time, no see! Greetings from rainy San Francisco to rainy Reading!
Open MPI is designed to be thread-safe using pthread facilities with
relatively fine grain access to critical regions. I haven't tried to mix Open
MPI with OpenMP, but from what I understand of OpenMP, I believe it sh
Neil,
Open-MPI support all thread models defined by the MPI standard if they are
available on the target system. Few years ago I did some work with MPI and
OpenMP and locking mechanism of existing MPI implementations was the
performance killer. We have work hard to remove this bottleneck on
O
