node_prepare_atlas

#!/bin/bash

set -e # any error will stop everyting

usage() {
    echo "usage: `basename $0` <source_archive> <extract_directory> <compiled_archive>"
}

myecho() {
    echo "### "$(date "+%Y-%m-%d %H:%M:%S")" ### ${@}"
}

myecho "`basename $0` start. args = $@"
myecho "on `uname -a`"

WORKDIR=$(cd `dirname $0`; pwd)
if [ "$#" != 3 ] ; then
    usage
    exit 1
fi

SOURCEARCHIVE=$1
EXTRACTDIR=$2
COMPILEDARCHIVE=$3

myecho "ensure no cpu throttling"
for cpu in /sys/devices/system/cpu/cpu* ; do
    if [ -f "$cpu/cpufreq/scaling_governor" ] ; then
        myecho "  cpu: $cpu"
        if [ `cat "$cpu/cpufreq/scaling_governor"` != "performance" ] ; then
            echo "$cpu/cpufreq/scaling_governor = "`cat $cpu/cpufreq/scaling_governor` >&2
            exit 1
        fi
    fi
done

myecho "clean atlas install dir"
rm -rf $WORKDIR/atlas-install/
myecho "clean atlas source dir"
rm -rf "$WORKDIR/$EXTRACTDIR"
myecho "extract atlas"
cd "$WORKDIR"
tar xjf "$SOURCEARCHIVE"

myecho "create atlas build dir"
cd "$WORKDIR/$EXTRACTDIR"
mkdir build
cd build
myecho "configure atlas"
POINTER_BITWIDTH=`getconf LONG_BIT`
../configure --prefix=$WORKDIR/atlas-install --nof77 -t 0 -b "$POINTER_BITWIDTH" --cripple-atlas-performance
myecho "make atlas"
make

myecho "install atlas"
make install

# create targz of atlas installation
myecho "package atlas install"
cd $WORKDIR
tar czf $COMPILEDARCHIVE atlas-install/

myecho "finished"