add examples and build with as many cpus as possible

function_test.sh

@@ -3,12 +3,19 @@
 cd `dirname $0`
 echo '-------build function test----------'
 
+MAKE=make
+if command -v python > /dev/null ; then
+  MAKE="make -j $(python -c 'import multiprocessing as mp; print(int(mp.cpu_count()))')"
+fi
+
+echo $MAKE
+
 FT_BUILD_DIR=ft_build
 rm -rf $FT_BUILD_DIR
 mkdir $FT_BUILD_DIR
 cd $FT_BUILD_DIR
 cmake -DBUILD_FUNCTION_TESTS=ON -DBUILD_UNIT_TESTS=OFF ..
-make cdn core ecs rds slb vpc cdn_ft core_ft ecs_ft nlp_ft rds_ft slb_ft vpc_ft
+$MAKE cdn core ecs rds slb vpc cdn_ft core_ft ecs_ft nlp_ft rds_ft slb_ft vpc_ft
 
 echo '------- run function test -----------'