Brock, Thanks much for the quick reply and information. I thought I might have been in the wrong place. :) After a google search for that list, I came up with several options. Do you happen to have a site URL or other link for the list your talking about? I want to make sure I'm on the right list
Thanks very much! :) Brian. On Sun, Apr 6, 2008 at 1:53 PM, Brock Palen <bro...@umich.edu> wrote: > This if for MPICH's mpirun not OpenMPI's mpi run. You will need to direct > questions to the MPICH team and mailing list. > Also be aware that if that is for MPICH-1.x they nolonger develop it and > should move to MPICH-2.x Or switch to another MPI stack like OpenMPI etc. > > Brock Palen > www.umich.edu/~brockp <http://www.umich.edu/%7Ebrockp> > Center for Advanced Computing > bro...@umich.edu > (734)936-1985 > > > > On Apr 6, 2008, at 2:50 PM, brian janus wrote: > > I'm new here so forgive me if I ask any dumb questions. But the first > question I have concerns the mpirun script below. > > My question is, what does the SYNCLOC=/bin/sync line for in the script > below do, and what complications could arise (if any), from disabling this > option by commenting out the line like #SYNCLOC=/bin/sync. In some code we > are running, we have found that disabling this option allows high priority > jobs to complete in only a couple of seconds, whereas before they would take > several minutes. > > What does SYNCLOC do, and if its disabled, what kind of problems might > that cause? > > #! /bin/sh > > # MPIRUN for MPICH > # (Don't change the above line - we use it to identify MPICH mpirun as > # opposed to others (e.g., SGI's mpirun) > > # > # This script tries to start jobs on whatever kind of machine you're on. > # Strategy - This program is built with a default device it uses in > # certain ways. The user can override this default from the command line. > > # > # This sh script is designed to use other scripts to provide the commands > # to run each system, using the . filename.sh mechanism > # > # Debuggers should be handled by running > # mpirun.db.<debugger_name> > > # e.g., mpirun.db.gdb or mpirun.db.xxgdb. > # This will allow users to add there own debuggers > # (with -debug=<debugger_name>) > # > # Set default variables > AUTOMOUNTFIX="sed -e s@/tmp_mnt/@/@g" > > DEFAULT_DEVICE=ch_p4 > RSHCOMMAND="/usr/bin/ssh" > SYNCLOC=/bin/sync # *<---------- WE DISABLED THIS WITH A #COMMENT#* > CC="cc" > COMM= > > GLOBUSDIR=@GLOBUSDIR@ > > CLINKER="cc" > prefix=/cluster/cairo/software/mpich-1.2.5.2 > bindir=/cluster/cairo/software/mpich-1.2.5.2/bin > # This value for datadir is the default value setup by configure > > datadir=/cluster/cairo/software/mpich-1.2.5.2/share > > DEFAULT_MACHINE=ch_p4 > DEFAULT_ARCH=LINUX > > # Derived variables > MPIRUN_BIN=$bindir > MPIRUN_HOME=$MPIRUN_BIN > MPIVERSION="1.2.5 (release) of : 2003/01/13 16:21:53" > > #set verbose > # > # Local routines > > # > # End of routine > > # > # > # Special, system specific values > # > # polling_mode is for systems that can select between polling and > # interrupt-driven operation. Currently, only IBM POE is so supported > > # (TMC CMMD has some support for this choice of mode) > polling_mode=1 > > # Parse command line arguments > # The ultimate goal is to determine what kind of parallel machine this > # is we are running on. Then we know how to start jobs... > > # > # Process common arguments (currently does ALL, but should pass unrecognized > # ones to called files) > # > hasprinthelp=1 > . $MPIRUN_HOME/mpirun.args > argsset=1 > > # > # Jump to the correct code for the device (by pseudo machine) > > # > mpirun_version="" > case $machine in > ch_cmmd) > mpirun_version=$MPIRUN_HOME/mpirun.ch_cmmd > ;; > ibmspx|ch_eui|ch_mpl) > mpirun_version=$MPIRUN_HOME/mpirun.ch_mpl > ;; > anlspx) > > mpirun_version=$MPIRUN_HOME/mpirun.anlspx > ;; > ch_meiko|meiko) > mpirun_version=$MPIRUN_HOME/mpirun.meiko > ;; > cray_t3d|t3d) > mpirun_version=$MPIRUN_HOME/mpirun.t3d > ;; > ch_nc) > mpirun_version=$MPIRUN_HOME/mpirun.ch_nc > > ;; > paragon|ch_nx|nx) > mpirun_version=$MPIRUN_HOME/mpirun.paragon > ;; > inteldelta) > mpirun_version=$MPIRUN_HOME/mpirun.delta > ;; > i860|ipsc860) > mpirun_version=$MPIRUN_HOME/mpirun.i860 > > ;; > p4|ch_p4|sgi_mp) > mpirun_version=$MPIRUN_HOME/mpirun.ch_p4 > ;; > gm|ch_gm|myrinet) > mpirun_version=$MPIRUN_HOME/mpirun.ch_gm > ;; > execer) > mpirun_version=$MPIRUN_HOME/mpirun.execer > > ;; > ch_shmem|ch_spp|smp|convex_spp) > # sgi_mp is reserved for the p4 version > mpirun_version=$MPIRUN_HOME/mpirun.ch_shmem > ;; > ksr|symm_ptx) > mpirun_version=$MPIRUN_HOME/mpirun.p4shmem > > ;; > > ch_tcp|tcp) > mpirun_version=$MPIRUN_HOME/mpirun.ch_tcp > ;; > globus) > mpirun_version=$MPIRUN_HOME/mpirun.globus > ;; > *) > # > # This allows us to add a device without changing the base mpirun > > # code > if [ -x $MPIRUN_HOME/mpirun.$device ] ; then > mpirun_version=$MPIRUN_HOME/mpirun.$device > elif [ -x $MPIRUN_HOME/mpirun.$default_device ] ; then > mpirun_version=$MPIRUN_HOME/mpirun.$default_device > > device=$default_device > else > echo "Cannot find MPIRUN machine file for machine $machine" > echo "and architecture $arch ." > if [ -n "$device" ] ; then > > echo "(Looking for $MPIRUN_HOME/mpirun.$device)" > > else > echo "(No device specified.)" > fi > # . $MPIRUN_HOME/mpirun.default > exit 1 > fi > ;; > > esac > exitstatus=1 > if [ -n "$mpirun_version" ] ; then > > if [ -x $mpirun_version ] ; then > # The mpirun script *must* set exitstatus (or exit itself) > . $mpirun_version > else > > echo "$mpirun_version is not available." > exit 1 > > fi > else > echo "No mpirun script for this configuration!" > exit 1 > fi > exit $exitstatus > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
