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#!/bin/sh
# regression-test-0.3.4.sh - check consistency of mpgrafic behaviour versus v0.3.4
#/***************************************************************************
# * Copyright (C) 2017 Boud Roukema *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU General Public License as published by *
# * the Free Software Foundation; either version 2 of the License, or *
# * (at your option) any later version. *
# * *
# * This program is distributed in the hope that it will be useful, *
# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
# * GNU General Public License for more details. *
# * *
# * You should have received a copy of the GNU General Public License *
# * along with this program; if not, write to the *
# * Free Software Foundation, Inc., *
# * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA *
# * or see https://www.gnu.org/licenses/licenses.html#GPL . *
# **************************************************************************/
printf "Code regression test: does the standard input file generate an\n"
printf "output file identical to that produced by version 0.3.4\n"
printf "of mpgrafic? IEEE_UNDERFLOW_FLAG and IEEE_DENORMAL exceptions\n"
printf "are considered acceptable and ignored. Other minor warnings are\n"
printf "ignored too on some systems/implementations.\n\n"
## Run mpgrafic for a tiny number of particles with mpi - the aim is to test
## algorithms and arithmetic, not computer power.
EXPECTED_OUTPUT=${srcdir}/Output.stdout.np32
TMP_OUT=Output.stdout.np32.tmp
TMP_OUT_CLEANED=Output.stdout.np32.tmp.2
## Running openmpi (on Debian) in a chroot jail with a minimal system
## installed will fail if ssh (and rsh, which is not encrypted) are
## absent from the system. Since ssh is not needed for testing on a
## single processor, the default "rsh_agent" can be safely overridden
## by the default shell "sh", but only if the mpirun (e.g. a symbolic link
## to orterun) options follow a known syntax.
##
## If the system is Debian with mpi-default-dev installed, then
## the check can be done as below.
##
## Adding a build dependency on ssh would be unreasonable, since, for
## example, mpi jobs can be run on multi-processor single
## machines. Moreover, it would add an extra burden in terms of
## automatic checking of packages for security issues.
##
## Please add cases for other mpi implementations or GNU/Linux
## distribution systems, or propose a more generic solution.
##
if [ -r /usr/share/mpi-default-dev/debian_defaults ] ; then
MPI_IMPL=$(grep ARCH_DEFAULT_MPI_IMPL \
/usr/share/mpi-default-dev/debian_defaults | \
sed -e 's/ARCH_DEFAULT_MPI_IMPL *= *//' | \
tail -n 1) # last evaluation overrides
if [ "x${MPI_IMPL}" = "xopenmpi" ]; then
printf "This looks like a debian openmpi system.\n"
mpirun -n 1 --mca plm_rsh_agent sh --mca orte_rsh_agent sh \
${srcdir}/src/mpgrafic --np=32 < ${srcdir}/Input.stdin \
> ${TMP_OUT}
else
printf "This looks like a debian system, but \n"
printf "options for ${MPI_IMPL} have not yet been implemented,\n"
printf "so this test will pass without doing any work.\n"
exit 0
fi
else
printf "MPI implementation unknown.\n"
mpirun -n 1 ${srcdir}/src/mpgrafic --np=32 < ${srcdir}/Input.stdin > ${TMP_OUT}
fi
## Ignore known warnings from non-openmpi implementations of mpi:
cat ${TMP_OUT} | \
grep -v "Warning: Cannot receive number of cores .*Round robin.*startup scheme will be involved" > \
${TMP_OUT_CLEANED}
LINES_DIFF=$(diff ${EXPECTED_OUTPUT} ${TMP_OUT_CLEANED} | wc -l)
if [ "x${LINES_DIFF}" = "x0" ] ; then
printf "A 32^3 mpi run of mpgrafic matched the expected output.\n"
else
printf "Warning: A 32^3 mpi run of mpgrafic did not match the expected output.\n"
exit 1
fi
#rm -f ${TMP_OUT}
exit 0
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