There is no doubt you will lose performance, but remember that shared memory is
-only- used between procs on the same node. So the performance penalty for
multi-node applications is considerably less.
Ultimately, the magnitude of the performance loss depends strongly on the
design of the applic
Hi Ralph,
I wonder if I disable the btl-sm component ,the performance of message
passing will degrade.I need to test how much performance are lost. The code
quality now is far from to be integrated into trunk, I will try to clean up
my code before sending these changes to you .
在 2010年8月13日 下午1