Another thing you might want to try: see how long it takes to run a simple MPI “hello” - see our “examples” directory. This will tell us if there is something about this app that is causing the delay, or something in the launch support
> On May 29, 2015, at 1:13 PM, Ralph Castain <r...@open-mpi.org> wrote: > > Since you are able to build OMPI from scratch, can you build it with > —enable-debug? If so, then you could set an MCA param or two for debug > purposes that might help us narrow down where the delay is coming from. I’d > start with "—mca state_base_verbose 5” and see if there is some noticeable > hang during the output. > > >> On May 29, 2015, at 12:58 PM, Walt Brainerd <walt.brain...@gmail.com >> <mailto:walt.brain...@gmail.com>> wrote: >> >> I should explain a little more. Sorry. >> I built OpenMPI and Opencoarrays and Gfortran 5.1. >> It is with this combination that I am running a >> program using coarrays compiled by gfortran. >> >> The command "mpirun -np 4 a.exe" appears to take >> about 5 seconds to start up. This is true of another >> person using the same software. It is the same >> whether using mpirun that I built from source or the >> mpirun in cygwin. >> >> After the 5 seconds, the program appears to run fine. >> >> Thanks for your comments. >> >> On Fri, May 29, 2015 at 12:35 PM, Ralph Castain <r...@open-mpi.org >> <mailto:r...@open-mpi.org>> wrote: >> I assume you mean on cygwin? Or is this an older version that supported >> native Windows? >> >> > On May 29, 2015, at 12:34 PM, Walt Brainerd <walt.brain...@gmail.com >> > <mailto:walt.brain...@gmail.com>> wrote: >> > >> > On Windows, mpirun appears to take about 5 seconds >> > to start. I can't try it on Linux. Intel takes no time to >> > start executing its version. >> > >> > Is this expected? >> > >> > -- >> > Walt Brainerd >> > _______________________________________________ >> > users mailing list >> > us...@open-mpi.org <mailto:us...@open-mpi.org> >> > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >> > <http://www.open-mpi.org/mailman/listinfo.cgi/users> >> > Link to this post: >> > http://www.open-mpi.org/community/lists/users/2015/05/26988.php >> > <http://www.open-mpi.org/community/lists/users/2015/05/26988.php> >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org <mailto:us...@open-mpi.org> >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >> <http://www.open-mpi.org/mailman/listinfo.cgi/users> >> Link to this post: >> http://www.open-mpi.org/community/lists/users/2015/05/26989.php >> <http://www.open-mpi.org/community/lists/users/2015/05/26989.php> >> >> >> >> -- >> Walt Brainerd >> _______________________________________________ >> users mailing list >> us...@open-mpi.org <mailto:us...@open-mpi.org> >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >> Link to this post: >> http://www.open-mpi.org/community/lists/users/2015/05/26991.php >
