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

Comparing jsr166/src/test/loops/OfferPollLoops.java (file contents):
Revision 1.4 by dl, Sun Sep 19 12:55:37 2010 UTC vs.
Revision 1.13 by jsr166, Sat Dec 31 22:17:40 2016 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	<	import java.util.*;
8	<	import java.util.concurrent.*;
9	<	//import jsr166y.*;
7	>	import java.util.Queue;
8	>	import java.util.concurrent.ArrayBlockingQueue;
9	>	import java.util.concurrent.CyclicBarrier;
10	>	import java.util.concurrent.ConcurrentLinkedDeque;
11	>	import java.util.concurrent.ConcurrentLinkedQueue;
12	>	import java.util.concurrent.ExecutorService;
13	>	import java.util.concurrent.Executors;
14	>	import java.util.concurrent.LinkedBlockingDeque;
15	>	import java.util.concurrent.LinkedBlockingQueue;
16	>	import java.util.concurrent.LinkedTransferQueue;
17	>	import java.util.concurrent.Phaser;
18	>	import java.util.concurrent.PriorityBlockingQueue;
19
20		public class OfferPollLoops {
21		static final int NCPUS = Runtime.getRuntime().availableProcessors();
13	–	static final Random rng = new Random();
22		static final ExecutorService pool = Executors.newCachedThreadPool();
23		static boolean print = false;
24		static int producerSum;
#	Line 54 | Line 62 | public class OfferPollLoops {
62
63		warmup();
64		print = true;
65	<	int k = 1;
58	<	for (int i = 1; i <= maxN;) {
65	>	for (int k = 1, i = 1; i <= maxN;) {
66		System.out.println("Pairs:" + i);
67		oneTest(i, ITERS);
68		if (i == k) {
#	Line 126 | Line 133 | public class OfferPollLoops {
133		System.out.print("ArrayBlockingQueue      ");
134		oneRun(new ArrayBlockingQueue<Integer>(POOL_SIZE), n, iters);
135
129	–
136		Thread.sleep(100); // System.gc();
137		if (print)
138		System.out.print("PriorityBlockingQueue   ");
#	Line 136 | Line 142 | public class OfferPollLoops {
142		if (print)
143		System.out.print("ArrayBlockingQueue(fair)");
144		oneRun(new ArrayBlockingQueue<Integer>(POOL_SIZE, true), n, fairIters);
139	–
145		}
146
147	<	static abstract class Stage implements Runnable {
147	>	abstract static class Stage implements Runnable {
148		final int iters;
149		final Queue<Integer> queue;
150		final CyclicBarrier barrier;
#	Line 237 | Line 242 | public class OfferPollLoops {
242		System.out.println("\t: " + LoopHelpers.rightJustify(time / (iters * n)) + " ns per transfer");
243		}
244
240	–
245		}

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