#!/bin/bash
# Thin wrapper around ibrun on Ranger so that it looks enough
# like an mpirun command to keep gasnetrun_mpi happy (and indirectly
# gasnetrun_ibv).
# It is also possible to use this directly as the CONDUIT_RUNCMD
# for mpi- and ibv-conduits on Ranger, or as the mpi_spawn and
# ibv_spawn settings with Berkeley UPC.
# -PHH 2009.03.06
# $Id: gasnet_ibrun,v 1.7 2010/10/19 18:04:26 phargrov Exp $
while [ $# -ge 1 ]; do
  case "$1" in
    -v) 
      set -x
      ;;
    -h) 
      # For gasnetrun_mpi's probe
      echo "wrapper for ibrun"
      exit 0
      ;;
    -np)
      export MY_NSLOTS=$2
      shift # Remove argument
      ;;
    --)
      shift
      break
      ;;
    -*)
      echo "unknown option $1"
      exit 1
      ;;
    *)
      break
      ;;
  esac
  shift
done
# Don't yet know why, but this env var fouls up ibrun!
unset MALLOC_CHECK_
# Increase the IB-level timeout to match the one TACC uses for MPI
# This value is a bit-shift, and thus results in a timeout that is
# 32 times larger than our default value 18.
export GASNET_QP_TIMEOUT=23
# Could use 'ibrun tacc_affinity "$@"', but that has its own issues.
exec ibrun "$@"