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

Comparing jsr166/src/test/loops/MatrixMultiply.java (file contents):
Revision 1.2 by jsr166, Mon Sep 20 20:42:37 2010 UTC vs.
Revision 1.3 by jsr166, Sat Oct 16 16:22:57 2010 UTC

#	Line 11 | Line 11 | import java.util.concurrent.TimeUnit;
11
12		/**
13		* Divide and Conquer matrix multiply demo
14	<	**/
15	<
14	>	*/
15		public class MatrixMultiply {
16
17		/** for time conversion */
#	Line 20 | Line 19 | public class MatrixMultiply {
19
20		static final int DEFAULT_GRANULARITY = 32;
21
22	<	/** The quadrant size at which to stop recursing down
22	>	/**
23	>	* The quadrant size at which to stop recursing down
24		* and instead directly multiply the matrices.
25		* Must be a power of two. Minimum value is 2.
26	<	**/
26	>	*/
27		static int granularity = DEFAULT_GRANULARITY;
28
29		public static void main(String[] args) throws Exception {
#	Line 193 | Line 193 | public class MatrixMultiply {
193		* Note that the results are added into C, not just set into C.
194		* This works well here because Java array elements
195		* are created with all zero values.
196	<	**/
197	<
196	>	*/
197		void multiplyStride2() {
198		for (int j = 0; j < size; j+=2) {
199		for (int i = 0; i < size; i +=2) {

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