On Mon, 19 Dec 2005, George Bosilca wrote:
> Carsten,
>
> In the Open MPI source code directory there is a collective component
> called tuned (ompi/mca/coll/tuned). This component is not enabled by
> default right now, but usually it give better performances than the
> basic one. You should give
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 the time for a
single
all-to-all varies a lot. My time meas
