Add (little) bench

bench/Makefile

@@ -0,0 +1,17 @@
+CC=cc -std=c99
+CXX=c++
+CFLAGS=-O2 -march=native -Wall
+CPPFLAGS=-I..
+
+all: bench-mlib bench-stl
+
+bench-mlib:
+	$(CC) $(CFLAGS) $(CPPFLAGS) bench-mlib.c -o bench-mlib.exe
+	./bench-mlib.exe
+
+bench-stl:
+	$(CXX) $(CFLAGS) $(CPPFLAGS) bench-stl.cpp -o bench-stl.exe
+	./bench-stl.exe
+
+clean:
+	rm -f *.o bench-mlib.exe bench-stl.exe *~