From c273d6dcdd4e6a31a0ed16594a3e836319154238 Mon Sep 17 00:00:00 2001
From: adash <adash>
Date: Sun, 13 Dec 2009 06:03:16 +0000
Subject: [PATCH] SOR changes to single java version

---
 .../Prefetch/SOR/javasingle/JGFSORBench.java  | 20 ++++++++++---------
 .../Prefetch/SOR/javasingle/SORRunner.java    | 11 +++++-----
 2 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/Robust/src/Benchmarks/Prefetch/SOR/javasingle/JGFSORBench.java b/Robust/src/Benchmarks/Prefetch/SOR/javasingle/JGFSORBench.java
index 325baefb..c5d8c780 100644
--- a/Robust/src/Benchmarks/Prefetch/SOR/javasingle/JGFSORBench.java
+++ b/Robust/src/Benchmarks/Prefetch/SOR/javasingle/JGFSORBench.java
@@ -44,14 +44,15 @@ public class JGFSORBench {
 
   public static void JGFkernel(JGFSORBench sor) {
     int numthreads, datasize;
-
     double[][] G;
     int num_iterations;
+    long RANDOM_SEED;
 
     numthreads = sor.nthreads;
     datasize = sor.datasizes[sor.size];
     G =  new double[datasize][];
     num_iterations = sor.JACOBI_NUM_ITER;
+    RANDOM_SEED = sor.RANDOM_SEED;
 
     double omega = 1.25;
     double omega_over_four = omega * 0.25;
@@ -63,20 +64,21 @@ public class JGFSORBench {
 
     SORWrap[] thobjects = new SORWrap[numthreads];
 
-	for(int i=0;i<numthreads;i++) {
-	    thobjects[i] =  new SORWrap( new SORRunner(i,omega,G,num_iterations,numthreads));
-	}
+    for(int i=0;i<numthreads;i++) {
+      thobjects[i] =  new SORWrap(new SORRunner(i,omega,G,num_iterations,numthreads, RANDOM_SEED));
+    }
 
     for(int i=0;i<numthreads;i++) {
       thobjects[i].sor.run();
     }
 
     //JGFInstrumentor.stopTimer("Section2:SOR:Kernel", instr.timers);
-	for (int i=1; i<G.length-1; i++) {
-	    for (int j=1; j<G.length-1; j++) {
-		sor.Gtotal += G[i][j];
-	    }
-	}               
+    for (int i=1; i<G.length-1; i++) {
+      for (int j=1; j<G.length-1; j++) {
+        sor.Gtotal += G[i][j];
+      }
+    }               
+    //System.out.println("DEBUG: G.length= " + G.length+" sor.Gtotal= " + sor.Gtotal);
   }
 
   public int JGFvalidate(){
diff --git a/Robust/src/Benchmarks/Prefetch/SOR/javasingle/SORRunner.java b/Robust/src/Benchmarks/Prefetch/SOR/javasingle/SORRunner.java
index 94d72e50..2551d44b 100644
--- a/Robust/src/Benchmarks/Prefetch/SOR/javasingle/SORRunner.java
+++ b/Robust/src/Benchmarks/Prefetch/SOR/javasingle/SORRunner.java
@@ -24,13 +24,15 @@ class SORRunner extends Thread {
   int id, num_iterations;
   double G[][],omega;
   int nthreads;
+  long RANDOM_SEED;
 
-  public SORRunner(int id, double omega, double G[][], int num_iterations, int nthreads) {
+  public SORRunner(int id, double omega, double G[][], int num_iterations, int nthreads, long RANDOM_SEED) {
     this.id = id;
     this.omega=omega;
     this.G=G;
     this.num_iterations=num_iterations;
     this.nthreads = nthreads;
+    this.RANDOM_SEED =  RANDOM_SEED;
   }
 
   public void run() {
@@ -55,12 +57,12 @@ class SORRunner extends Thread {
     iupper = ((tmpid+1)*slice)+1;
     if (iupper > Mm1) iupper =  Mm1+1;
     if (tmpid == (numthreads-1)) iupper = Mm1+1;
-    G[0]= new double[N];
+    G[0]=new double[N];
     for(int i=ilow;i<iupper;i++) {
-      G[i]= new double[N];
+      G[i]=new double[N];
     }
 
-    Random rand=new Random();
+    Random rand=new Random(RANDOM_SEED);
     double[] R = G[0];
     for(int j=0;j<M;j++)
       R[j]=rand.nextDouble() * 1e-6;
@@ -131,7 +133,6 @@ class SORRunner extends Thread {
           }
         }
       }
-
     }//end of for
   } //end of run()
 }
-- 
2.34.1