Update optimization flags

Author: Klamath233

Makefile

@@ -6,7 +6,7 @@ SRC_DIR := I_GGX64
 ARCH ?= x86_64
 
 INCLUDE_PATHS += -I$(PWD)/I_GGX64 -I$(PWD)/endgame
-COMMON_DEFS += $(INCLUDE_PATHS) -std=c++11 -O0 -g
+COMMON_DEFS += $(INCLUDE_PATHS) -std=c++11 -O3
 CCFLAGS-x86_64 = -msse -msse2 -msse3 -msse4.1 -msse4.2 
 CCFLAGS-arm64 = -arch arm64
 CCFLAGS += -stdlib=libc++ -Wno-shift-negative-value -Wno-c++11-extensions -Wno-switch $(CCFLAGS-$(ARCH)) $(COMMON_DEFS)