#ifdef GC_CACHE_ADAPT
// sampling unit to compute access frequency, this should be consistent all the
// time.
-#define GC_CACHE_SAMPLING_UNIT 0x80000
+#define GC_CACHE_SAMPLING_UNIT 0x1000000
// freqeuency to trigger timer interrupt
#define GC_TILE_TIMER_EVENT_SETTING 10000000