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authorElliot Kroo <kroo@appjet.com>2010-03-11 15:21:30 -0800
committerElliot Kroo <kroo@appjet.com>2010-03-11 15:21:30 -0800
commit98e2821b38a775737e42a2479a6bc65107210859 (patch)
tree55939a8ba1dce4f4e48ebb13b658061d62bf1b9a /trunk/infrastructure/net.appjet.ajstdlib/timer.scala
parentc1894c8e0a52f4e3d2f89fa92f0066bbf0fcf1b1 (diff)
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reorganizing the first level of folders (trunk/branch folders are not the git way :)
Diffstat (limited to 'trunk/infrastructure/net.appjet.ajstdlib/timer.scala')
-rw-r--r--trunk/infrastructure/net.appjet.ajstdlib/timer.scala85
1 files changed, 0 insertions, 85 deletions
diff --git a/trunk/infrastructure/net.appjet.ajstdlib/timer.scala b/trunk/infrastructure/net.appjet.ajstdlib/timer.scala
deleted file mode 100644
index dac8fb6..0000000
--- a/trunk/infrastructure/net.appjet.ajstdlib/timer.scala
+++ /dev/null
@@ -1,85 +0,0 @@
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package net.appjet.ajstdlib;
-
-import scala.collection.mutable.{HashMap,ListBuffer};
-import java.util.concurrent.locks.ReentrantLock;
-
-object timer {
-
- var _timings = new HashMap[String,ListBuffer[double]];
- var _lock = new ReentrantLock;
- var _callstack = new ThreadLocal[ListBuffer[String]];
-
- def start(opname: String) = {
- var _localcallstack = _callstack.get();
- if (_localcallstack == null) {
- _callstack.set(new ListBuffer[String]);
- _localcallstack = _callstack.get();
- }
- _localcallstack += opname;
- var _oplabel = _localcallstack.mkString(".");
- val startTime: long = System.nanoTime();
-
- new {
- def done() {
- val elapsedTimeMs: double = (System.nanoTime() - startTime) / 1.0e6;
-
- _lock.lock();
- try {
- var times = _timings.getOrElse(_oplabel, new ListBuffer[double]);
- /*
- if (times.size > 100000) {
- times = new ListBuffer[double];
- }*/
- times += elapsedTimeMs;
- _timings.put(_oplabel, times);
- _localcallstack.remove(_localcallstack.length-1);
- } finally {
- _lock.unlock();
- }
- }
- }
- }
-
- def getOpNames(): Array[String] = {
- _lock.lock();
- try {
- return _timings.keys.toList.toArray;
- } finally {
- _lock.unlock();
- }
- }
-
- def getStats(opname: String): Array[double] = {
- _lock.lock();
-
- try {
- var times:ListBuffer[double] = _timings(opname);
- var total = times.foldRight(0.0)(_ + _);
- return Array(times.size, total, (total / times.size));
- } finally {
- _lock.unlock();
- }
- }
-
- def reset() {
- _lock.lock();
- _timings = new HashMap[String,ListBuffer[double]];
- _lock.unlock();
- }
-}