diff --git a/kernel/tests.c b/kernel/tests.c
index fcbd0ad9..4666c8a0 100644
--- a/kernel/tests.c
+++ b/kernel/tests.c
@@ -126,11 +126,18 @@ volatile static int* A[N];
 volatile static int* B[N];
 volatile static int* C[N];
 
+#if 0
+#define GET_B(i, j)	B[i][j]
+#else
+#define GET_B(i, j)	B[j][i]
+#endif
+
 static int svm_test(void *arg)
 {
 	uint64_t start, end;
 	uint32_t i, j, k;
 	int my_ue, num_ues;
+	register int tmp;
 
 	RCCE_barrier(&RCCE_COMM_WORLD);
 	my_ue = RCCE_ue();
@@ -152,7 +159,7 @@ static int svm_test(void *arg)
 		for(i=0; i<N; i++) {
 			A[i][i] = 1;
 			for(j=0; j<N; j++)
-				B[i][j] = i+j;
+				GET_B(i,j) = i+j;
 		}
 
 		kputs("Start sequentiell calculation...\n");
@@ -161,10 +168,14 @@ static int svm_test(void *arg)
 		start = rdtsc();
 
 		// start calculation
-		for(i=0; i<N; i++)
-			for(j=0; j<N; j++)
+		for(i=0; i<N; i++) {
+			for(j=0; j<N; j++) {
+				tmp = C[i][j];
 				for(k=0; k<N; k++)
-					C[i][j] += A[i][k] * B[k][j];
+					C[i][j] += A[i][k] * GET_B(k,j);
+				C[i][j] = tmp;
+			}
+		}
 
 
 		end = rdtsc();
@@ -195,7 +206,7 @@ static int svm_test(void *arg)
 		for(i=0; i<N; i++) {
 			A[i][i] = 1;
 			for(j=0; j<N; j++)
-				B[i][j] = i+j;
+				GET_B(i,j) = i+j;
 		}
 	}
 
@@ -212,10 +223,14 @@ static int svm_test(void *arg)
 	RCCE_barrier(&RCCE_COMM_WORLD);
 
 	// start calculation
-	for(i=my_ue*(N/num_ues); i<(my_ue+1)*(N/num_ues); i++)
-		for(j=0; j<N; j++)
+	for(i=my_ue*(N/num_ues); i<(my_ue+1)*(N/num_ues); i++) {
+		for(j=0; j<N; j++) {
+			tmp = C[i][j];
 			for(k=0; k<N; k++)
-				C[i][j] += A[i][k] * B[k][j];
+				tmp += A[i][k] * GET_B(k,j);
+			C[i][j] = tmp;
+		}
+	}
 
 	svm_flush();
 
@@ -232,7 +247,7 @@ static int svm_test(void *arg)
 			for(j=0; (j<N) && (err < 32); j++) {
 				if (C[i][j] != i+j) {
 					err++;
-					kprintf("Wrong value at C[%u][%u] = %u, B[%u][%u] = %u\n", i, j, C[i][j], i, j, B[i][j]);
+					kprintf("Wrong value at C[%u][%u] = %u, B[%u][%u] = %u\n", i, j, C[i][j], i, j, GET_B(i,j));
 				}
 			}
 		}