Squashed 'third_party/eigen/' changes from 61d72f6..cf794d3
Change-Id: I9b814151b01f49af6337a8605d0c42a3a1ed4c72
git-subtree-dir: third_party/eigen
git-subtree-split: cf794d3b741a6278df169e58461f8529f43bce5d
diff --git a/bench/perf_monitoring/gemm/run.sh b/bench/perf_monitoring/gemm/run.sh
new file mode 100755
index 0000000..9d6ee40
--- /dev/null
+++ b/bench/perf_monitoring/gemm/run.sh
@@ -0,0 +1,156 @@
+#!/bin/bash
+
+# ./run.sh gemm
+# ./run.sh lazy_gemm
+
+# Examples of environment variables to be set:
+# PREFIX="haswell-fma-"
+# CXX_FLAGS="-mfma"
+
+# Options:
+# -up : enforce the recomputation of existing data, and keep best results as a merging strategy
+# -s : recompute selected changesets only and keep bests
+
+bench=$1
+
+if echo "$*" | grep '\-up' > /dev/null; then
+ update=true
+else
+ update=false
+fi
+
+if echo "$*" | grep '\-s' > /dev/null; then
+ selected=true
+else
+ selected=false
+fi
+
+global_args="$*"
+
+if [ $selected == true ]; then
+ echo "Recompute selected changesets only and keep bests"
+elif [ $update == true ]; then
+ echo "(Re-)Compute all changesets and keep bests"
+else
+ echo "Skip previously computed changesets"
+fi
+
+
+
+if [ ! -d "eigen_src" ]; then
+ hg clone https://bitbucket.org/eigen/eigen eigen_src
+else
+ cd eigen_src
+ hg pull -u
+ cd ..
+fi
+
+if [ ! -z '$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 -c 14-`
+ fi
+ res=$prev
+ count_rev=`echo $prev | wc -w`
+ count_ref=`cat $bench"_settings.txt" | wc -l`
+ if echo "$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 == true ] || [ $count_rev != $count_ref ] || ([ $selected == true ] && [ $rev_found == true ]); then
+ if $CXX -O2 -DNDEBUG -march=native $CXX_FLAGS -I eigen_src $bench.cpp -DSCALAR=$scalar -o $name; then
+ curr=`./$name`
+ 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 $PREFIX"s"$bench
+make_backup $PREFIX"d"$bench
+make_backup $PREFIX"c"$bench
+
+cut -f1 -d"#" < changesets.txt | grep -E '[[:alnum:]]' | while read rev
+do
+ if [ ! -z '$rev' ]; then
+ echo "Testing rev $rev"
+ cd eigen_src
+ hg up -C $rev > /dev/null
+ actual_rev=`hg identify | cut -f1 -d' '`
+ cd ..
+
+ test_current $actual_rev float $PREFIX"s"$bench
+ test_current $actual_rev double $PREFIX"d"$bench
+ test_current $actual_rev "std::complex<double>" $PREFIX"c"$bench
+ fi
+
+done
+
+echo "Float:"
+cat $PREFIX"s""$bench.out"
+echo " "
+
+echo "Double:"
+cat $PREFIX"d""$bench.out"
+echo ""
+
+echo "Complex:"
+cat $PREFIX"c""$bench.out"
+echo ""
+
+./make_plot.sh $PREFIX"s"$bench $bench
+./make_plot.sh $PREFIX"d"$bench $bench
+./make_plot.sh $PREFIX"c"$bench $bench
+
+