Here's the program.
It should print something like that:
[1 communicating threads]
[0] 1 2.484936 0.402 0.384
[0] 2 2.478036 0.807 0.770
[0] 4 2.501503 1.599 1.525
[0] 8 2.497516 3.203
Francois,
How many cores do your machines have?
The file specifies THREADS_DEFAULT 16. Does this spawn 16 threads per
MPI rank?
I see crashes when I run this with MX (BTL with mx,sm,self and MTL).
If I change THREADS_DEFAULT to 4, I see crashes with TCP (BTL with
tcp,sm,self) as well.
The machines have 4 cores. The THREADS_DEFAULT corresponds to a limit:
the program spawns threads once at a time. So at the beginning, only one
thread performs the ping pong test, then a thread is created and the two
threads run the ping pong test, then a thread is created and 3 threads
run the
If you have other things in that same tree as your Open MPI
installation prefix, you can run "make uninstall" in the source tree.
It should selectively uninstall just the Open MPI that it previously
installed.
On Jun 10, 2009, at 7:28 AM, Ralph Castain wrote:
When you built OMPI from ha
Yes, makes sense. I opened a ticket a few days ago that pointed to
the beginning of this thread. It's just a matter of someone actually
going to do it. Might be useful to do both: maintain a suppression
file in the distribution and put something in the FAQ.
On Jun 9, 2009, at 6:31 PM, R
