From: adash <adash>
Date: Sun, 17 Feb 2008 18:07:00 +0000 (+0000)
Subject: MatrixMultiply example with compile errors
X-Git-Tag: preEdgeChange~275
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fddf45fe56ed290a78b1f9e3434ebde27b6fcd21;p=IRC.git

MatrixMultiply example with compile errors
---

diff --git a/Robust/src/Benchmarks/Prefetch/MatrixMultiply/MatrixMultiply.java b/Robust/src/Benchmarks/Prefetch/MatrixMultiply/MatrixMultiply.java
new file mode 100644
index 00000000..aa886020
--- /dev/null
+++ b/Robust/src/Benchmarks/Prefetch/MatrixMultiply/MatrixMultiply.java
@@ -0,0 +1,178 @@
+public class MatrixMultiply extends Thread{
+	MMul mmul;
+	int x0, y0, x1, y1;
+
+	public MatrixMultiply(MMul mmul, int x0, int y0, int x1, int y1) {
+		atomic {
+			this.mmul = mmul;
+		}
+		this.x0 = x0;
+		this.y0 = y0;
+		this.x1 = x1;
+		this.y1 = y1;
+	}
+
+	public void run() {
+		int innerProduct = 0;
+		int i, j;
+		for(i = x0; i<= x1; i++){
+			for (j = y0; j <= y1; j++) {
+				atomic {
+					innerProduct = mmul.multiply(i,j);
+				}
+				atomic {
+					mmul.c[i][j] = innerProduct;
+				}
+			}
+		}
+	}
+
+	public static void main(String[] args) {
+		int mid = (128<<24)|(195<<16)|(175<<8)|70;
+		int NUM_THREADS = 4;
+		int i, j, p, q, r, val;
+		MatrixMultiply[] mm;
+		MatrixMultiply tmp;
+		MMul matrix;
+
+		atomic {
+			matrix = global new MMul(4, 4, 4);
+			matrix.setValues();
+		}
+
+		atomic{
+			mm = global new MatrixMultiply[NUM_THREADS];
+			mm.mmul = global new MMul(0,0,0);
+		}
+
+		// Currently it is a 4 X 4 matrix divided into 4 blocks 
+		atomic {
+			mm[0] = global new MatrixMultiply(matrix,0,0,1,1);
+			mm[1] = global new MatrixMultiply(matrix,0,2,1,3);
+			mm[2] = global new MatrixMultiply(matrix,2,0,3,1);
+			mm[3] = global new MatrixMultiply(matrix,2,2,3,3);
+		}
+		atomic {
+			p = matrix.L;
+			q = matrix.M;
+			r = matrix.N;
+		}
+
+		// print out the matrices to be multiplied
+		System.printString("MatrixMultiply: L=");
+		System.printInt(p);
+		System.printString("\t");
+		System.printString("M=");
+		System.printInt(q);
+		System.printString("\t");
+		System.printString("N=");
+		System.printInt(r);
+		System.printString("\n");
+
+		// start a thread to compute each c[l,n]
+		for (i = 0; i < NUM_THREADS; i++) {
+			atomic {
+				tmp = mm[i];
+			}
+			tmp.start(mid);
+		}
+
+		// wait for them to finish
+		for (i = 0; i < NUM_THREADS; i++) {
+			atomic {
+				tmp = mm[i];
+			}
+			tmp.join();
+		}
+
+		// print out the result of the matrix multiply
+		System.printString("Starting\n");
+		System.printString("Matrix Product c =");
+		for (i = 0; i < p; i++) {
+			for (j = 0; j < r; j++) {
+				atomic {
+					val = matrix.c[i][j];
+				}
+				System.printInt(val);
+				System.printString("\t");
+			}
+		}
+		System.printString("Finished\n");
+	}
+}
+
+public class MMul{
+
+	public int L, M, N;
+	public int[][] a;
+	public int[][] b;
+	public int[][] c;
+
+	public MMul(int L, int M, int N) {
+		this.L = L;
+		this.M = M;
+		this.N = N;
+		a = new int[L][M];  
+		b = new int[M][N]; 
+		c = new int[L][N]; 
+	}
+
+	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(i = 0; i < M; i++) {
+			for(j = 0; j < N; j++) {
+				b[i][j] = j+1;
+			}
+		}
+
+		for(i = 0; i < L; i++) {
+			for(j = 0; j < N; j++) {
+				c[i][j] = 0;
+			}
+		}
+	}
+
+	public int multiply(int x, int y) {
+		int i;
+		int prod = 0;
+		for(i = 0; i < M; i++) {
+			prod+= a[x][i] * b[i][y];
+		}
+		return prod;
+	}
+	/*
+	 //Print Matrices to be multiplied
+	   System.printString("\n");
+	   System.printString("a =");
+	   for (int l = 0; l < k; l++) {
+	   for (int m = 0; m < q; m++) {
+	   atomic {
+	   tt = mm.a[l][m];
+	   }
+	   System.printString(" " + tt);
+	   System.printString("\t");
+	   }
+	   }
+	   System.printString("\n");
+
+	//System.printString("\n");
+	System.printString("b =");
+	for (int m = 0; m < q; m++) {
+	for (int n = 0; n < r; n++) {
+	atomic {
+	tt = mm.b[m][n];
+	}
+	System.printString(" " + tt);
+	System.printString("\t");
+	}
+	}
+	System.printString("\n");
+	*/
+}
diff --git a/Robust/src/Benchmarks/Prefetch/MatrixMultiply/makefile b/Robust/src/Benchmarks/Prefetch/MatrixMultiply/makefile
new file mode 100644
index 00000000..c19f69a4
--- /dev/null
+++ b/Robust/src/Benchmarks/Prefetch/MatrixMultiply/makefile
@@ -0,0 +1,5 @@
+MAINCLASS=MatrixMultiply
+SRC=${MAINCLASS}.java
+FLAGS=-dsm -prefetch -nooptimize -debug -mainclass ${MAINCLASS} -o ${MAINCLASS}
+default:
+	../../../buildscript ${FLAGS} ${SRC}