Hello all, I have installed openmpi on a small apple panther cluster.
The install went smoothly but when I compile a program with
mpicc helloworld.c -o hello
No files or message are ever generated. Any help would be appreciated.
Thank you
-dc
Hi all -
I'm running my MPI program via open-mpi on a 4 core opteron machine.
I am trying to run 5 processes where 1 of these processes is simply a
coordinating process. It does very little work other than once every
second or two recieving and sending a short ping to the other
processes.
I've
My problem is that when I run on the build with --with-threads=posix,
--enable-mpi-threads, and --enable-progress-threads it doesn't get past
the init when I use more than one machine. It either hangs on MPI_Init
or outputs the message "mca_btl_sm_component_init: mkfifo failed with
errno=17" for e
Collective performance is something that we are definitely working
on. Some of the collectives have had a fair amount of tuning done
(the "tuned" coll component), but
a) not all of them are done
b) they were originally tuned for TCP networks
Note that b) is somewhat misleading; the "tuned"
Hi -
Can you please send the config.log file generated when you ran configure?
Generally, we ask that everyone send the information requested here:
http://www.open-mpi.org/community/help/
As it provides enough information to solve most of the problems seen
during the build process.
Thank
I know that with 1.3a1 I a looking at a development release.
HOwever I do need the SGE (GridEngine) support and I could not find
a download for a stable (or any other) 1.2 release.
So I downloaded 1.3a1r12121 and tried to configure it.
In my configuration I use
--with-mx=/opt/mx (where the
Hi,
Could you explain what's wrong with thread support ?
Does it hang, or something else ?
I'm developping an application using multiple processes with multiple threads,
and I have to use MPI to make process communicate. Typically, I will have to
use the following functions :
- MPI_Comm_spawn_
