[take clock from the command line
peter@cordes.ca**20080314174155] {
hunk ./shift.c 81
-#define CLOCK 2400000000
+#define CLOCK 3000000000
hunk ./shift.c 113
+  long realclock=0;
+  if (argc>1) realclock=atol(argv[1]);
+  if (!realclock){
+	  realclock=CLOCK;
+	  printf ("no clock specified, using %ld\n", realclock);
+  }
+
hunk ./shift.c 173
-	      t, ((double) t * CLOCK) / (TIMES * size * 1000.0));
+	      t, ((double) t * realclock) / (TIMES * size * 1000.0));
}