#!/bin/sh
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# Copyright (c) 2015, Intel Corporation
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# [ICS VERSION STRING: unknown]
# helper script to select MPICH_PREFIX
# this script should be . included in a run_ script
# Input:
# MPICH_PREFIX - path to MPICH tools (optional)
# Output:
# MPICH_PREFIX - path to MPICH tools
valid_mpich_prefix()
{
if [ -z "$MPICH_PREFIX" -o ! -e "$MPICH_PREFIX" -o ! -e "$MPICH_PREFIX"/bin ]
then
return 1
fi
if [ -e "$MPICH_PREFIX/bin/mpirun" -o -e "$MPICH_PREFIX/bin/mpdtrace" \
-o -e "$MPICH_PREFIX/bin/mpirun_mpd" -o -e "$MPICH_PREFIX/bin/mpiexec" \
-o -e "$MPICH_PREFIX/bin/mpirun_rsh" ]
then
return 0
else
return 1
fi
}
# check all MPIs which start with $1 pathname and pick the 1st valid one
find_mpi()
{
local mpich_prefix
for mpich_prefix in $(ls -d $1/bin 2>/dev/null)
do
MPICH_PREFIX=$(dirname $mpich_prefix 2>/dev/null)
if valid_mpich_prefix
then
break
else
MPICH_PREFIX=""
fi
done
}
# defaults we use for MPI (QuickSilver, openmpi, mvapich1, mvapich2)
if [ -z "$MPICH_PREFIX" ]
then
if test -f /usr/lib/opa/bin/mpirun_rsh && ! rpm -q kernel-ib >/dev/null 2>&1
then
# QuickSilver MPI
MPICH_PREFIX=/usr/lib/opa
fi
# by default MPI gets installed using same stack prefix as OFED
prefix=$(/etc/infiniband/info 2>/dev/null|grep '^prefix='|cut -f2 -d=)
prefix=${prefix:-/usr} # in case $prefix not defined or not OFED
MPICH_PREFIX=""
fi
export MPICH_PREFIX