Index: src/work/makefile
===================================================================
--- src/work/makefile	(revision 672)
+++ src/work/makefile	(revision 673)
@@ -1,4 +1,4 @@
 INCLUDEDIRS ?= -I.. -I. -I./{marci,jacint,alpar,klao,akos}
-CXXFLAGS = -g -W -Wall $(INCLUDEDIRS) -ansi -pedantic
+CXXFLAGS = -g -O3 -W -Wall $(INCLUDEDIRS) -ansi -pedantic
 
 BINARIES ?= bin_heap_demo