/[escript]/trunk/scripts/finley_wrapper_template
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Contents of /trunk/scripts/finley_wrapper_template

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Revision 1909 - (show annotations)
Thu Oct 23 01:47:50 2008 UTC (10 years, 10 months ago) by ksteube
File size: 2050 byte(s)
Updated the wrapper script to set MPI_NUM_MEMORY_REGIONS=0 to avoid
bug where truncated messages are sent in hybrid runs under MPT MPI

1 #!/bin/sh
2
3 # Escript/Finley wrapper for python
4 # Sets LD_LIBRARY_PATH and PYTHONPATH and then runs either python or the MPI launcher
5
6 HELP_TEXT="
7 Usage: escript [options] script.py [arguments...]
8 -O N Use N OpenMP threads (OMP_NUM_THREADS=N)
9 -M K Use K MPI processes
10 -l 'launcher' MPI launcher, usually -l 'mpirun -np' or -l 'mpiexec -n'
11 -L /path Prepend /path to library search path
12 -P /path Prepend /path to python module search path
13 script.py Your python script
14 arguments... The optional command-line arguments to your python script
15 "
16
17 if [ "$1" = "--help" ]; then
18 echo "$HELP_TEXT"
19 exit 0
20 fi
21
22 PYTHON_CMD="@@PYTHON_CMD@@"
23
24 ESCRIPT_ROOT="@@ESCRIPT_ROOT@@"
25
26 export LD_LIBRARY_PATH="@@LD_LIBRARY_PATH@@"
27
28 export PYTHONPATH="@@PYTHONPATH@@"
29
30 # Avoid bug in hybrid runs with MPT MPI
31 export MPI_NUM_MEMORY_REGIONS=0
32
33 # Try to guess the MPI launcher (mpirun unless in PBS batch job in which case mpiexec)
34 mpi_launcher='mpirun -np'
35 if [ $?PBS_ENVIRONMENT ]; then
36 if [ "X_$PBS_ENVIRONMENT" = "X_PBS_BATCH" ]; then
37 mpi_launcher='mpiexec -n'
38 fi
39 fi
40
41 PYTHON_MPI="$ESCRIPT_ROOT/lib/pythonMPI"
42 OMP_NUM_THREADS=1
43 MPI_NUM_PROCS=1
44
45 # Parse the command-line options
46 while getopts 'L:P:O:M:l:' option
47 do
48 case "$option" in
49 "L") export LD_LIBRARY_PATH="$OPTARG:$LD_LIBRARY_PATH"
50 ;;
51 "P") export PYTHONPATH="$OPTARG:$PYTHONPATH"
52 ;;
53 "O") OMP_NUM_THREADS="$OPTARG"
54 ;;
55 "M") MPI_NUM_PROCS="$OPTARG"
56 ;;
57 "l") mpi_launcher="$OPTARG"
58 ;;
59 ?) echo "$HELP_TEXT"
60 exit 1
61 ;;
62 esac
63 done
64 shift `expr $OPTIND - 1`
65
66 # Must have at least one command-line arg: the python script
67 if [ $# -eq 0 ]; then
68 echo "Missing python script"
69 echo "$HELP_TEXT"
70 exit 1
71 fi
72
73 # Using OpenMP?
74 OMP_OPTIONS=''
75 if [ -f "$ESCRIPT_ROOT/lib/Compiled.with.openmp" ]; then
76 PYTHON_CMD="$mpi_launcher $MPI_NUM_PROCS $PYTHON_MPI"
77 OMP_OPTIONS="env OMP_NUM_THREADS=$OMP_NUM_THREADS"
78 fi
79
80 # Using MPI?
81 if [ -f "$ESCRIPT_ROOT/lib/Compiled.with.mpi" ]; then
82 PYTHON_CMD="$mpi_launcher $MPI_NUM_PROCS $PYTHON_MPI"
83 fi
84
85 set -x
86 $OMP_OPTIONS time $PYTHON_CMD "$@"
87

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