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#!/bin/bash
# ./run.sh gemm gemm_settings.txt
# ./run.sh lazy_gemm lazy_gemm_settings.txt
# ./run.sh gemv gemv_settings.txt
# ./run.sh trmv_up gemv_square_settings.txt
# ...
# Examples of environment variables to be set:
# PREFIX="haswell-fma-"
# CXX_FLAGS="-mfma"
# CXX=clang++
# Options:
# -up : enforce the recomputation of existing data, and keep best results as a merging strategy
# -s : recompute selected changesets only and keep bests
# -np : no plotting of results, just generate the data
bench=$1
settings_file=$2
if [[ "$*" =~ '-up' ]]; then
update=true
else
update=false
fi
if [[ "$*" =~ '-s' ]]; then
selected=true
else
selected=false
fi
if [[ "$*" =~ '-np' ]]; then
do_plot=false
else
do_plot=true
fi
WORKING_DIR=${PREFIX:?"default"}
if [ -z "$PREFIX" ]; then
WORKING_DIR_PREFIX="$WORKING_DIR/"
else
WORKING_DIR_PREFIX="$WORKING_DIR/$PREFIX-"
fi
echo "WORKING_DIR_PREFIX=$WORKING_DIR_PREFIX"
mkdir -p $WORKING_DIR
global_args="$*"
if $selected ; then
echo "Recompute selected changesets only and keep bests"
elif $update ; then
echo "(Re-)Compute all changesets and keep bests"
else
echo "Skip previously computed changesets"
fi
if [ ! -d "eigen_src" ]; then
git clone https://gitlab.com/libeigen/eigen.git eigen_src
else
cd eigen_src
git pull
cd ..
fi
if [ -z "$CXX" ]; then
CXX=g++
fi
function make_backup
{
if [ -f "$1.out" ]; then
mv "$1.out" "$1.backup"
fi
}
function merge
{
count1=`echo $1 | wc -w`
count2=`echo $2 | wc -w`
if [ $count1 == $count2 ]; then
a=( $1 ); b=( $2 )
res=""
for (( i=0 ; i<$count1 ; i++ )); do
ai=${a[$i]}; bi=${b[$i]}
tmp=`echo "if ($ai > $bi) $ai else $bi " | bc -l`
res="$res $tmp"
done
echo $res
else
echo $1
fi
}
function test_current
{
rev=$1
scalar=$2
name=$3
prev=""
if [ -e "$name.backup" ]; then
prev=`grep $rev "$name.backup" | cut -d ' ' -f 2-`
fi
res=$prev
count_rev=`echo $prev | wc -w`
count_ref=`cat $settings_file | wc -l`
if echo "$global_args" | grep "$rev" > /dev/null; then
rev_found=true
else
rev_found=false
fi
# echo $update et $selected et $rev_found because $rev et "$global_args"
# echo $count_rev et $count_ref
if $update || [ $count_rev != $count_ref ] || ( $selected && $rev_found ); then
echo "RUN: $CXX -O3 -DNDEBUG -march=native $CXX_FLAGS -I eigen_src $bench.cpp -DSCALAR=$scalar -o $name"
if $CXX -O3 -DNDEBUG -march=native $CXX_FLAGS -I eigen_src $bench.cpp -DSCALAR=$scalar -o $name; then
curr=`./$name $settings_file`
if [ $count_rev == $count_ref ]; then
echo "merge previous $prev"
echo "with new $curr"
else
echo "got $curr"
fi
res=`merge "$curr" "$prev"`
# echo $res
echo "$rev $res" >> $name.out
else
echo "Compilation failed, skip rev $rev"
fi
else
echo "Skip existing results for $rev / $name"
echo "$rev $res" >> $name.out
fi
}
make_backup $WORKING_DIR_PREFIX"s"$bench
make_backup $WORKING_DIR_PREFIX"d"$bench
make_backup $WORKING_DIR_PREFIX"c"$bench
cut -f1 -d"#" < changesets.txt | grep -E '[[:alnum:]]' | while read rev
do
if [ ! -z '$rev' ]; then
rev2=`echo $rev | cut -f 2 -d':'`
echo "Testing rev $rev, $rev2"
cd eigen_src
git checkout $rev2 > /dev/null
actual_rev=`git rev-parse --short HEAD`
cd ..
test_current $actual_rev float $WORKING_DIR_PREFIX"s"$bench
test_current $actual_rev double $WORKING_DIR_PREFIX"d"$bench
test_current $actual_rev "std::complex<double>" $WORKING_DIR_PREFIX"c"$bench
fi
done
echo "Float:"
cat $WORKING_DIR_PREFIX"s""$bench.out"
echo " "
echo "Double:"
cat $WORKING_DIR_PREFIX"d""$bench.out"
echo ""
echo "Complex:"
cat $WORKING_DIR_PREFIX"c""$bench.out"
echo ""
if $do_plot ; then
./make_plot.sh $WORKING_DIR_PREFIX"s"$bench $bench $settings_file
./make_plot.sh $WORKING_DIR_PREFIX"d"$bench $bench $settings_file
./make_plot.sh $WORKING_DIR_PREFIX"c"$bench $bench $settings_file
fi
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