Re: [OMPI users] multi-compiler builds of OpenMPI (RPM)

2008-01-02 Thread Jeff Squyres
On Dec 31, 2007, at 12:50 AM, Jim Kusznir wrote: I have some questions, though. As you can probably tell, the multi-package stuff hasn't been tested in quite a while. Thanks for taking it for a spin. :-) 1) am I correct in that OpenMPI needs to be complied with each compiler that will b

Re: [OMPI users] Tracing the library using gdb and xterm

2008-01-02 Thread Jeff Squyres
Another simpler (but not secure) option would be do run "xhost +hostname" for each machine that you'll be using and then use un- encrypted X connections to pipe back to your display. This avoids a bunch of issues (e.g., the ssh to launch the MPI job quitting because it successfully launched

Re: [OMPI users] No output from mpirun

2008-01-02 Thread Jeff Squyres
What did you name your executable? I believe that Open MPI and MPICH differ in how they find executables via mpirun -- for example, if you named your executable "test" and ran "mpirun -np 4 test", Open MPI might very well have found /bin/test rather than the "test" executable in your pwd.

Re: [OMPI users] orte in persistent mode

2008-01-02 Thread Ralph H Castain
Hi Neeraj No, we still don't support having a persistent set of daemons acting as some kind of "virtual machine" like LAM/MPI did. We at one time had talked about adding it. However, our most recent efforts have actually taken us away from supporting that mode of operation. As a result, I very muc