Function LHD_init

libCacheSim/cache/eviction/LHD/LHD_Interface.cpp:56–101

* @brief initialize the cache * * @param ccache_params some common cache parameters * @param cache_specific_params cache specific parameters, see parse_params * function or use -e "print" with the cachesim binary */

 * function or use -e "print" with the cachesim binary
 */
cache_t *LHD_init(const common_cache_params_t ccache_params,
                  const char *cache_specific_params) {
#ifdef SUPPORT_TTL
  if (ccache_params.default_ttl < 30 * 86400) {
    ERROR("LHD does not support expiration\n");
    abort();
  }
#endif

  cache_t *cache = cache_struct_init("LHD", ccache_params, cache_specific_params);
  cache->cache_init = LHD_init;
  cache->cache_free = LHD_free;
  cache->get = LHD_get;
  cache->find = LHD_find;
  cache->insert = LHD_insert;
  cache->evict = LHD_evict;
  cache->to_evict = LHD_to_evict;
  cache->remove = LHD_remove;
  cache->can_insert = cache_can_insert_default;
  cache->get_occupied_byte = LHD_get_occupied_byte;
  cache->get_n_obj = LHD_get_n_obj;
  cache->to_evict_candidate =
      static_cast<cache_obj_t *>(malloc(sizeof(cache_obj_t)));

  if (ccache_params.consider_obj_metadata) {
    cache->obj_md_size = 8 * 3 + 1;  // two age, one time stamp
  } else {
    cache->obj_md_size = 0;
  }

  auto *params = my_malloc(LHD_params_t);
  memset(params, 0, sizeof(LHD_params_t));
  cache->eviction_params = params;

  if (params->admission == 0) {
    params->admission = 8;
  }
  if (params->associativity == 0) {
    params->associativity = 32;
  }

  params->LHD_cache = static_cast<void *>(
      new LHD(params->associativity, params->admission, cache));

  return cache;
}

/**
 * free resources used by this cache