[update] Enable compilation optimization to O2

Author: LittleMouse

projects/llm_framework/main_llm/SConstruct

@@ -24,7 +24,7 @@ STATIC_FILES = []
 #                 AFile('../static_lib/liblzma.so.5'),
 #                 AFile('../static_lib/libbz2.so.1.0')]
 # DEFINITIONS += ["-DENABLE_BACKWARD"]
-
+DEFINITIONS += ['-O2']
 DEFINITIONS += ['-std=c++17']
 LDFLAGS+=['-Wl,-rpath=/opt/m5stack/lib', '-Wl,-rpath=/usr/local/m5stack/lib', '-Wl,-rpath=/usr/local/m5stack/lib/gcc-10.3', '-Wl,-rpath=/opt/lib', '-Wl,-rpath=/opt/usr/lib', '-Wl,-rpath=./']
 REQUIREMENTS += ['ax_engine', 'ax_interpreter', 'ax_sys', 'utilities']