rewrite arrays for efficiency

diff --git a/Robust/src/Benchmarks/Prefetch/MatrixMultiply/MatrixMultiply.java b/Robust/src/Benchmarks/Prefetch/MatrixMultiply/MatrixMultiply.java
index f35dbb25d79b0200dc30117fa08b13397ea8179e..4fcf3ad9ed87a80c4898432ce50b667171b6f588 100644 (file)
--- a/Robust/src/Benchmarks/Prefetch/MatrixMultiply/MatrixMultiply.java
+++ b/Robust/src/Benchmarks/Prefetch/MatrixMultiply/MatrixMultiply.java
@@ -48,7 +48,7 @@ public class MatrixMultiply extends Thread{
                int mid2 = (128<<24)|(195<<16)|(175<<8)|69;
                int mid3 = (128<<24)|(195<<16)|(175<<8)|71;
                int NUM_THREADS = 1;
-               int i, j, p, q, r;
+               int p, q, r;
                MatrixMultiply[] mm;
                MatrixMultiply tmp;
                MMul matrix;
@@ -86,7 +86,7 @@ public class MatrixMultiply extends Thread{
                System.printString("\n");
 
                // start a thread to compute each c[l,n]
-               for (i = 0; i < NUM_THREADS; i++) {
+               for (int i = 0; i < NUM_THREADS; i++) {
                        atomic {
                                tmp = mm[i];
                        }
@@ -94,7 +94,7 @@ public class MatrixMultiply extends Thread{
                }
 
                // wait for them to finish
-               for (i = 0; i < NUM_THREADS; i++) {
+               for (int i = 0; i < NUM_THREADS; i++) {
                        atomic {
                                tmp = mm[i];
                        }
@@ -106,9 +106,9 @@ public class MatrixMultiply extends Thread{
                System.printString("Matrix Product c =\n");
                int val;
                atomic {
-                       for (i = 0; i < p; i++) {
+                       for (int i = 0; i < p; i++) {
                                int c[]=matrix.c[i];
-                               for (j = 0; j < r; j++) {
+                               for (int j = 0; j < r; j++) {
                                        val = c[j];
                                }
                        }
@@ -136,38 +136,39 @@ public class MMul{
        }
 
        public void setValues() {
-               int i;
-               int j;
-               for(i = 0; i < L; i++) {
-                       for(j = 0; j < M; j++) {
-                               a[i][j] = j+1;
+               for(int i = 0; i < L; i++) {
+            int ai[] = a[i];
+                       for(int j = 0; j < M; j++) {
+                               ai[j] = j+1;
                        }
                }
 
-               for(i = 0; i < M; i++) {
-                       for(j = 0; j < N; j++) {
-                               b[i][j] = j+1;
+               for(int i = 0; i < M; i++) {
+            int bi[] = b[i];
+                       for(int j = 0; j < N; j++) {
+                               bi[j] = j+1;
                        }
                }
 
-               for(i = 0; i < L; i++) {
-                       for(j = 0; j < N; j++) {
-                               c[i][j] = 0;
+               for(int i = 0; i < L; i++) {
+            int ci[] = c[i];
+                       for(int j = 0; j < N; j++) {
+                               ci[j] = 0;
                        }
                }
-               for(i = 0; i < N; i++) {
-                       for(j = 0; j < M; j++) {
-                               btranspose[i][j] = 0;
+               for(int i = 0; i < N; i++) {
+            int btransposei[] = btranspose[i];
+                       for(int j = 0; j < M; j++) {
+                               btransposei[j] = 0;
                        }
                }
        }
 
        public void transpose() {
-               int row;
-               int col;
-               for(row = 0; row < M; row++) {
-                       for(col = 0; col < N; col++) {
-                               btranspose[col][row] = b[row][col];
+               for(int row = 0; row < M; row++) {
+            int brow[] = b[row];
+                       for(int col = 0; col < N; col++) {
+                               btranspose[col][row] = brow[col];
                        }
                }
        }