Hi Ralph,
thank you very much for the detailed response.
I have to apologize I was not clear: I would like to use the
MPI_spawn_multiple function.
(I've attached the example program I use) .
In any case I tryed your test program, just compling it with:
/home/fandreasi/openmpi-1.7/bin/mpicc loop_
On Mar 7, 2011, at 3:24 AM, Federico Golfrè Andreasi wrote:
> Hi Ralph,
>
> thank you very much for the detailed response.
>
> I have to apologize I was not clear: I would like to use the
> MPI_spawn_multiple function.
Shouldn't matter - it's the same code path.
> (I've attached the example
I'm told that it is not required; it *could* use OMPI's oob CPC if we wanted it
to. But that's second-hand information; I don't know that for sure.
On Mar 6, 2011, at 8:52 AM, Doron Shoham wrote:
> ibv_rc_pingpong runs over verbs and not RDMA_CM.
> As far as I understood, RoCE requires the use
Dear all,
I am doing some tests using MPI_Allgatherv function recently. After these
tests, I found a wield problem of if.
When I wanted to use the MPI_Allgatherv function to gather a large number of
data from some processes(for example, 2GB data per process). If the number
of processes was even n