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

Comparing jsr166/src/test/loops/NoopSpinLockLoops.java (file contents):
Revision 1.6 by jsr166, Thu Dec 18 18:13:06 2014 UTC vs.
Revision 1.9 by jsr166, Sat Dec 31 18:54:28 2016 UTC

#	Line 4 | Line 4
4		* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	<	import java.util.concurrent.*;
8	<	import java.util.concurrent.locks.*;
9	<	import java.util.concurrent.atomic.*;
10	<	import java.util.*;
7	>	import java.util.concurrent.Callable;
8	>	import java.util.concurrent.CyclicBarrier;
9	>	import java.util.concurrent.ExecutorService;
10	>	import java.util.concurrent.Executors;
11	>	import java.util.concurrent.atomic.AtomicInteger;
12
13		public final class NoopSpinLockLoops {
14		static final ExecutorService pool = Executors.newCachedThreadPool();
#	Line 77 | Line 78 | public final class NoopSpinLockLoops {
78		int x = sum + 1;
79		int n = iters;
80		while (n-- > 0) {
81	<	while (!lock.compareAndSet(0, 1)) ;
81	>	do {} while (!lock.compareAndSet(0, 1));
82		x = LoopHelpers.compute4(x);
83		lock.set(0);
84		if ((x += readBarrier) == 0)

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