fix a problem where corr-window=0 is not the same as S3FIFOv2;

change the default corr_window_ratio to 0.5

libCacheSim/cache/eviction/Cloud2QPlus.c

@@ -53,7 +53,7 @@ typedef struct {
 
 static const char *DEFAULT_CACHE_PARAMS =
  "fifo-size-ratio=0.10,ghost-size-ratio=0.90,move-to-main-threshold=2,"
- "corr-window-ratio=0.0";
+ "corr-window-ratio=0.5";
 
 // ***********************************************************************
 // **** ****
@@ -241,9 +241,8 @@ static cache_obj_t *Cloud2QPlus_find(cache_t *cache, const request_t *req,
  if (obj != NULL) {
  int time_since_insertion =
  params->n_obj_admit_to_fifo - obj->Cloud2QPlus.insertion_time;
- if (time_since_insertion >
+ if (time_since_insertion >=
  params->fifo->cache_size * params->corr_window_ratio) {
- // if (time_since_insertion <= params->fifo->cache_size)
  obj->Cloud2QPlus.freq += 1;
  }
  return obj;