197 _found = Handle(_thread, value->resolve());
198 return true;
199 }
200 };
201
202 static size_t ceil_log2(size_t val) {
203 size_t ret;
204 for (ret = 1; ((size_t)1 << ret) < val; ++ret);
205 return ret;
206 }
207
208 void StringTable::create_table() {
209 size_t start_size_log_2 = ceil_log2(StringTableSize);
210 _current_size = ((size_t)1) << start_size_log_2;
211 log_trace(stringtable)("Start size: " SIZE_FORMAT " (" SIZE_FORMAT ")",
212 _current_size, start_size_log_2);
213 _local_table = new StringTableHash(start_size_log_2, END_SIZE, REHASH_LEN);
214 }
215
216 size_t StringTable::item_added() {
217 return Atomic::add((size_t)1, &_items_count);
218 }
219
220 size_t StringTable::add_items_to_clean(size_t ndead) {
221 size_t total = Atomic::add((size_t)ndead, &_uncleaned_items_count);
222 log_trace(stringtable)(
223 "Uncleaned items:" SIZE_FORMAT " added: " SIZE_FORMAT " total:" SIZE_FORMAT,
224 _uncleaned_items_count, ndead, total);
225 return total;
226 }
227
228 void StringTable::item_removed() {
229 Atomic::add((size_t)-1, &_items_count);
230 }
231
232 double StringTable::get_load_factor() {
233 return (double)_items_count/_current_size;
234 }
235
236 double StringTable::get_dead_factor() {
237 return (double)_uncleaned_items_count/_current_size;
238 }
239
240 size_t StringTable::table_size() {
241 return ((size_t)1) << _local_table->get_size_log2(Thread::current());
242 }
243
244 void StringTable::trigger_concurrent_work() {
245 MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
246 _has_work = true;
247 Service_lock->notify_all();
248 }
249
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197 _found = Handle(_thread, value->resolve());
198 return true;
199 }
200 };
201
202 static size_t ceil_log2(size_t val) {
203 size_t ret;
204 for (ret = 1; ((size_t)1 << ret) < val; ++ret);
205 return ret;
206 }
207
208 void StringTable::create_table() {
209 size_t start_size_log_2 = ceil_log2(StringTableSize);
210 _current_size = ((size_t)1) << start_size_log_2;
211 log_trace(stringtable)("Start size: " SIZE_FORMAT " (" SIZE_FORMAT ")",
212 _current_size, start_size_log_2);
213 _local_table = new StringTableHash(start_size_log_2, END_SIZE, REHASH_LEN);
214 }
215
216 size_t StringTable::item_added() {
217 return Atomic::add(&_items_count, (size_t)1);
218 }
219
220 size_t StringTable::add_items_to_clean(size_t ndead) {
221 size_t total = Atomic::add(&_uncleaned_items_count, (size_t)ndead);
222 log_trace(stringtable)(
223 "Uncleaned items:" SIZE_FORMAT " added: " SIZE_FORMAT " total:" SIZE_FORMAT,
224 _uncleaned_items_count, ndead, total);
225 return total;
226 }
227
228 void StringTable::item_removed() {
229 Atomic::add(&_items_count, (size_t)-1);
230 }
231
232 double StringTable::get_load_factor() {
233 return (double)_items_count/_current_size;
234 }
235
236 double StringTable::get_dead_factor() {
237 return (double)_uncleaned_items_count/_current_size;
238 }
239
240 size_t StringTable::table_size() {
241 return ((size_t)1) << _local_table->get_size_log2(Thread::current());
242 }
243
244 void StringTable::trigger_concurrent_work() {
245 MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
246 _has_work = true;
247 Service_lock->notify_all();
248 }
249
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