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#!/usr/bin/env bash
###############################################################################
# Copyright (c) Intel Corporation - All rights reserved. #
# This file is part of the LIBXSMM library. #
# #
# For information on the license, see the LICENSE file. #
# Further information: https://github.com/hfp/libxsmm/ #
# SPDX-License-Identifier: BSD-3-Clause #
###############################################################################
# Hans Pabst (Intel Corp.)
###############################################################################
set -o pipefail
BASENAME=$(command -v basename)
XARGS=$(command -v xargs)
SED=$(command -v gsed)
HERE=$(cd "$(dirname "$0")" && pwd -P)
CPU=${HERE}/tool_cpuinfo.sh
# GNU sed is desired (macOS)
if [ "" = "${SED}" ]; then
SED=$(command -v sed)
fi
if [ "${BASENAME}" ] && [ "${XARGS}" ] && [ "${SED}" ] && [ -e "${CPU}" ]; then
NC=$1
if [ ! "${NC}" ] || [ "0" = "${NC}" ]; then
HERE=$(cd "$(dirname "$0")" && pwd -P)
NC=$(${CPU} -nc)
fi
OMP_NUM_THREADS=1 \
OMP_PROC_BIND=TRUE \
${XARGS} -I{} -P "${NC}" bash -c "{} || ( \
1>&2 echo 'ERROR: {}' && exit 255)" < /dev/stdin 2> >( \
${SED} "/xargs/d" >&2)
else
>&2 echo "Error: missing prerequisites!"
exit 1
fi
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