-set(CMAKE_C_FLAGS_PROFILING "-g -O0 -pg -Wp,-U_FORTIFY_SOURCE")
-set(CMAKE_C_FLAGS_DEBUG "-g -O0 -ggdb -Wp,-U_FORTIFY_SOURCE")
+set(CMAKE_C_FLAGS_PROFILING "-g -O2 -pg -Wp,-U_FORTIFY_SOURCE")
+set(CMAKE_C_FLAGS_DEBUG "-g -O2 -ggdb -Wp,-U_FORTIFY_SOURCE")