Index: Source/WTF/wtf/HashTable.cpp |
diff --git a/Source/WTF/wtf/HashTable.cpp b/Source/WTF/wtf/HashTable.cpp |
deleted file mode 100644 |
index 518a4c8c24ae5cda1fb0c6769ef604bf193dd7c1..0000000000000000000000000000000000000000 |
--- a/Source/WTF/wtf/HashTable.cpp |
+++ /dev/null |
@@ -1,68 +0,0 @@ |
-/* |
- Copyright (C) 2005 Apple Inc. All rights reserved. |
- |
- This library is free software; you can redistribute it and/or |
- modify it under the terms of the GNU Library General Public |
- License as published by the Free Software Foundation; either |
- version 2 of the License, or (at your option) any later version. |
- |
- This library is distributed in the hope that it will be useful, |
- but WITHOUT ANY WARRANTY; without even the implied warranty of |
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
- Library General Public License for more details. |
- |
- You should have received a copy of the GNU Library General Public License |
- along with this library; see the file COPYING.LIB. If not, write to |
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
- Boston, MA 02110-1301, USA. |
-*/ |
- |
-#include "config.h" |
-#include "HashTable.h" |
-#include "DataLog.h" |
- |
-namespace WTF { |
- |
-#if DUMP_HASHTABLE_STATS |
- |
-int HashTableStats::numAccesses; |
-int HashTableStats::numCollisions; |
-int HashTableStats::collisionGraph[4096]; |
-int HashTableStats::maxCollisions; |
-int HashTableStats::numRehashes; |
-int HashTableStats::numRemoves; |
-int HashTableStats::numReinserts; |
- |
-static Mutex& hashTableStatsMutex() |
-{ |
- AtomicallyInitializedStatic(Mutex&, mutex = *new Mutex); |
- return mutex; |
-} |
- |
-void HashTableStats::recordCollisionAtCount(int count) |
-{ |
- MutexLocker lock(hashTableStatsMutex()); |
- if (count > maxCollisions) |
- maxCollisions = count; |
- numCollisions++; |
- collisionGraph[count]++; |
-} |
- |
-void HashTableStats::dumpStats() |
-{ |
- MutexLocker lock(hashTableStatsMutex()); |
- |
- dataLogF("\nWTF::HashTable statistics\n\n"); |
- dataLogF("%d accesses\n", numAccesses); |
- dataLogF("%d total collisions, average %.2f probes per access\n", numCollisions, 1.0 * (numAccesses + numCollisions) / numAccesses); |
- dataLogF("longest collision chain: %d\n", maxCollisions); |
- for (int i = 1; i <= maxCollisions; i++) { |
- dataLogF(" %d lookups with exactly %d collisions (%.2f%% , %.2f%% with this many or more)\n", collisionGraph[i], i, 100.0 * (collisionGraph[i] - collisionGraph[i+1]) / numAccesses, 100.0 * collisionGraph[i] / numAccesses); |
- } |
- dataLogF("%d rehashes\n", numRehashes); |
- dataLogF("%d reinserts\n", numReinserts); |
-} |
- |
-#endif |
- |
-} // namespace WTF |