Function TwoQ_init

libCacheSim/cache/eviction/TwoQ.c:67–111

// ***********************************************************************

cache_t *TwoQ_init(const common_cache_params_t ccache_params,
                   const char *cache_specific_params) {
  cache_t *cache =
      cache_struct_init("TwoQ", ccache_params, cache_specific_params);
  cache->cache_init = TwoQ_init;
  cache->cache_free = TwoQ_free;
  cache->get = TwoQ_get;
  cache->find = TwoQ_find;
  cache->insert = TwoQ_insert;
  cache->evict = TwoQ_evict;
  cache->remove = TwoQ_remove;
  cache->to_evict = TwoQ_to_evict;
  cache->get_n_obj = TwoQ_get_n_obj;
  cache->get_occupied_byte = TwoQ_get_occupied_byte;
  cache->can_insert = TwoQ_can_insert;

  cache->obj_md_size = 0;

  cache->eviction_params = malloc(sizeof(TwoQ_params_t));
  memset(cache->eviction_params, 0, sizeof(TwoQ_params_t));
  TwoQ_params_t *params = (TwoQ_params_t *)cache->eviction_params;
  params->req_local = new_request();
  params->hit_on_ghost = false;

  TwoQ_parse_params(cache, DEFAULT_CACHE_PARAMS);
  if (cache_specific_params != NULL) {
    TwoQ_parse_params(cache, cache_specific_params);
  }

  params->Ain_cache_size = ccache_params.cache_size * params->Ain_size_ratio;
  params->Aout_cache_size = ccache_params.cache_size * params->Aout_size_ratio;
  params->Am_cache_size = ccache_params.cache_size - params->Ain_cache_size;

  common_cache_params_t ccache_params_local = ccache_params;
  ccache_params_local.cache_size = params->Ain_cache_size;
  params->Ain = FIFO_init(ccache_params_local, NULL);

  ccache_params_local.cache_size = params->Aout_cache_size;
  params->Aout = FIFO_init(ccache_params_local, NULL);

  ccache_params_local.cache_size = params->Am_cache_size;
  params->Am = LRU_init(ccache_params_local, NULL);

  return cache;
}

/**
 * free resources used by this cache