On Dec 22, 2005, at 9:15 AM, Christophe Peyret wrote:
I have compiled and install openmpi-1.0.1 on MacOSX Tiger 10.4.3.
It has
been configured to works with xfl_r and xlf95_r. I just change few
lines
of the xlf.cfg in order to build open-mpi as mentioned on the mail-
list :
OMPI uses the f
Hi Carsten
I have also tried the tuned alltoalls and they are really great!! Only for
very few message sizes in the case of 4 CPUs on a node one of my alltoalls
performed better. Are these tuned collectives ready to be used for
production runs?
We are actively testing them on larger systems t
On Tue, 20 Dec 2005, George Bosilca wrote:
> On Dec 20, 2005, at 3:19 AM, Carsten Kutzner wrote:
>
> >> I don't see how you deduct that adding barriers increase the
> >> congestion ? It increase the latency for the all-to-all but for me
> >
> > When I do an all-to-all a lot of times, I see that th