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

Comparing jsr166/src/test/loops/FJJacobi.java (file contents):
Revision 1.9 by jsr166, Fri Oct 22 05:18:31 2010 UTC vs.
Revision 1.13 by jsr166, Mon Aug 10 03:13:33 2015 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		// Jacobi iteration on a mesh. Based loosely on a Filaments demo
#	Line 10 | Line 10 | import java.util.concurrent.*;
10
11		public class FJJacobi {
12
13	<	static final int DEFAULT_GRANULARITY = 4096; // 1024;
13	>	//    static final int DEFAULT_GRANULARITY = 4096;
14	>	static final int DEFAULT_GRANULARITY = 256;
15
16		/**
17		* The maximum number of matrix cells
#	Line 76 | Line 77 | public class FJJacobi {
77		}
78		}
79
79	–
80		abstract static class MatrixTree extends RecursiveAction {
81		// maximum difference between old and new values
82		double maxDiff;
#	Line 94 | Line 94 | public class FJJacobi {
94		double m = maxDiff;
95		return (md > m) ? md : m;
96		}
97	–
97		}
98
100	–
99		static final class LeafNode extends MatrixTree {
100		final double[][] A; // matrix to get old values from
101		final double[][] B; // matrix to put new values into
#	Line 161 | Line 159 | public class FJJacobi {
159		}
160		}
161
164	–
162		static final class TwoNode extends MatrixTree {
163		final MatrixTree q1;
164		final MatrixTree q2;
#	Line 177 | Line 174 | public class FJJacobi {
174
175		}
176
180	–
177		static final class Driver extends RecursiveAction {
178		MatrixTree mat;
179		double[][] A; double[][] B;
#	Line 249 | Line 245 | public class FJJacobi {
245		System.out.println("max diff after " + steps + " steps = " + md);
246		}
247		}
252	–
253	–
248		}

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