Initial version of a small script to help tracking performance regressions

bench/perf_monitoring/gemm/run_gemm.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+
+if [ ! -d "eigen_src" ]; then
+  hg clone https://bitbucket.org/eigen/eigen eigen_src
+fi
+
+if [ ! -z '$CXX' ]; then
+  CXX=g++
+fi
+
+rm sgemm.out
+rm dgemm.out
+rm cgemm.out
+
+function test_current 
+{
+  rev=$1
+  scalar=$2
+  name=$3
+  
+  if $CXX -O2 -DNDEBUG -march=native $CXX_FLAGS -I eigen_src gemm.cpp -DSCALAR=$scalar -o $name; then
+    res=`./$name`
+    echo $res
+    echo "$rev $res" >> $name.out
+  else
+    echo "Compilation failed, skip rev $rev"
+  fi
+}
+
+while read rev
+do
+  if [ ! -z '$rev' ]; then
+    echo "Testing rev $rev"
+    cd eigen_src
+    hg up -C $rev
+    actual_rev=`hg identify | cut -f1 -d' '`
+    cd ..
+    
+    test_current $actual_rev float                  sgemm
+    test_current $actual_rev double                 dgemm
+    test_current $actual_rev "std::complex<double>" cgemm
+  fi
+  
+done < changesets.txt
+
+echo "Float:"
+cat sgemm.out
+echo ""
+
+echo "Double:"
+cat dgemm.out
+echo ""
+
+echo "Complex:"
+cat cgemm.out
+echo ""
+
+./make_plot.sh sgemm
+./make_plot.sh dgemm
+./make_plot.sh cgemm
+
+