/*
* Copyright ( C ) 2017 The Android Open Source Project
*
* 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 .
*/
public class SimpleLoop implements Runnable {
static final int numberOfThreads = 2 ;
volatile static boolean sExitFlag = false ;
volatile static boolean sEntered = false ;
int threadIndex;
SimpleLoop(int index) {
threadIndex = index;
}
public static void main() throws Exception {
final Thread [] threads = new Thread [numberOfThreads];
for (int t = 0 ; t < threads.length; t++) {
threads[t] = new Thread (new SimpleLoop(t));
threads[t].start();
}
for (Thread t : threads) {
t.join();
}
System.out.println("Simple loop finishing" );
}
public void $noinline$busyLoop() {
Main.assertIsManaged();
sEntered = true ;
for (;;) {
if (sExitFlag) {
break ;
}
}
Main.assertIsInterpreted();
}
public void run() {
if (threadIndex == 0 ) {
while (!sEntered) {
Thread .yield();
}
Main.deoptimizeAll();
sExitFlag = true ;
} else {
$noinline$busyLoop();
}
}
}
Messung V0.5 in Prozent C=87 H=96 G=91
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-29)
¤
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