+#ppc64 striding, use with NUM_CPUS=8
+
+#stride 1
+#EXTRA_OPTS=$(for a in $(seq 0 2 15); do echo -n "-a ${a} "; done)
+#stride 2
+#EXTRA_OPTS=$(for a in $(seq 0 4 31); do echo -n "-a ${a} "; done)
+#stride 4
+#EXTRA_OPTS=$(for a in $(seq 0 8 63); do echo -n "-a ${a} "; done)
+#stride 8
+#EXTRA_OPTS=$(for a in $(seq 0 16 127); do echo -n "-a ${a} "; done)