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root/jsr166/jsr166/src/test/loops/LockLoops.java

Comparing jsr166/src/test/loops/LockLoops.java (file contents):
Revision 1.14 by jsr166, Wed Jun 8 20:42:12 2016 UTC vs.
Revision 1.15 by jsr166, Thu Jun 9 15:28:19 2016 UTC

#	Line 3 | Line 3
3		* Expert Group and released to the public domain, as explained at
4		* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6	+
7		/*
8	<	* A simple test program. Feel free to play.
8	>	* Simple benchmark comparing various locking techniques.
9		*/
10
11		import java.util.*;
#	Line 91 | Line 92 | public final class LockLoops {
92		Thread.sleep(10);
93
94		if (print)
95	+	System.out.print("ReentrantReadLock    ");
96	+	new ReentrantReadLockLoop().test(v, nthreads, iters);
97	+	Thread.sleep(10);
98	+
99	+	if (print)
100		System.out.print("ReentrantReadWriteLock");
101		new ReentrantReadWriteLockLoop().test(v, nthreads, iters);
102		Thread.sleep(10);
#	Line 270 | Line 276 | public final class LockLoops {
276		final int loop(int n) {
277		int sum = 0;
278		while (n-- > 0) {
279	+	lock.lock();
280	+	try {
281	+	v = LoopHelpers.compute1(v);
282	+	}
283	+	finally {
284	+	lock.unlock();
285	+	}
286	+	sum += LoopHelpers.compute2(v);
287	+	}
288	+	return sum;
289	+	}
290	+	}
291	+
292	+	private static class ReentrantReadLockLoop extends LockLoop {
293	+	private final Lock lock = new ReentrantReadWriteLock().readLock();
294	+	final int loop(int n) {
295	+	int sum = 0;
296	+	while (n-- > 0) {
297		lock.lock();
298		try {
299		v = LoopHelpers.compute1(v);

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