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root/jsr166/jsr166/src/test/extra166y/LongMapReduceDemo.java

Comparing jsr166/src/test/extra166y/LongMapReduceDemo.java (file contents):
Revision 1.1 by dl, Sun Nov 1 22:00:35 2009 UTC vs.
Revision 1.2 by jsr166, Mon Nov 16 04:16:43 2009 UTC

#	Line 17 | Line 17 | public class LongMapReduceDemo {
17		/**
18		* Sequential version, for performance comparison
19		*/
20	<	static long seqMapReduce(long[] array,
20	>	static long seqMapReduce(long[] array,
21		LongOp mapper,
22		LongReducer reducer,
23		long base) {
24		long n = array.length;
25		long x = base;
26	<	for (int i = 0; i < n; ++i)
26	>	for (int i = 0; i < n; ++i)
27		x = reducer.op(x, mapper.op(array[i]));
28		return x;
29		}
#	Line 32 | Line 32 | public class LongMapReduceDemo {
32		static final class GetNext implements LongOp {
33		public long op(long seed) {
34		long x = seed;
35	<	x ^= x << 13;
36	<	x ^= x >>> 7;
35	>	x ^= x << 13;
36	>	x ^= x >>> 7;
37		x ^= (x << 17);
38		return x;
39		}
#	Line 52 | Line 52 | public class LongMapReduceDemo {
52		int n = 1 << 18;
53		int reps = 1 << 8;
54		long[] array = new long[n];
55	<	for (int i = 0; i < n; ++i)
55	>	for (int i = 0; i < n; ++i)
56		array[i] = i + 1L;
57		ForkJoinPool fjp = new ForkJoinPool(1);
58		ParallelLongArray pa = ParallelLongArray.createUsingHandoff(array, fjp);
#	Line 120 | Line 120 | public class LongMapReduceDemo {
120		for (int i = 0; i < array.length; ++i)
121		array[i] = s++;
122		}
123	<
123	>
124		}

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