#define GC_CACHE_SAMPLING_UNIT 100000000
#define GC_TILE_TIMER_EVENT_SETTING 100000000
#define GC_NUM_SAMPLING 24
-#define GC_CACHE_ADAPT_HOTPAGE_THRESHOLD 1000
-#define GC_CACHE_ADAPT_ACCESS_THRESHOLD 30
// should be consistent with multicoreruntime.h
typedef union