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#!/bin/bash
command -v perf >/dev/null 2>&1 || { echo >&2 "Could not find perf. Aborting."; exit 1; }
STATS="instructions,cache-misses,branch-misses"
REPCOUNT=30
SPACESTATS=`echo $STATS | sed 's/,/ /g'`
echo "type level time $SPACESTATS" > p8.perf
for i in 5 6 7 8; do
for type in "base" "nodes" "lnodes"; do
if [ $type = "nodes" ]; then
othertype="lnodes"
elif [ $type = "base" ]; then
othertype="lnodes --skip-nodes"
else
othertype="nodes"
fi
perf stat -o p8.$type.$i -e "$STATS" -r $REPCOUNT ./p8est_timings \
-c unit --skip-$othertype --level $i > p8.$type.$i.stdout
runtime=`egrep "[0-9.]+ seconds time elapsed" p8.$type.$i | awk '{print $1;}'`
accum=$runtime
for stat in $SPACESTATS; do
count=`egrep "[0-9,]+ $stat" p8.$type.$i | awk '{print $1;}' | sed 's/,//g'`
accum="$accum $count"
done
if [ $type = "base" ]; then
baseaccum=$accum
else
read -a basearray <<< "$baseaccum"
read -a array <<< "$accum"
for j in "${!array[@]}"; do
val=`echo "${array[j]}-${basearray[j]}" | bc -l`
array[j]=$val
done
diff="${array[*]}"
echo "$type $i $diff" >> p8.perf
fi
done
done
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