--- a/example/word_count_test/main.cc	Thu Dec 03 01:16:34 2009 +0900
+++ b/example/word_count_test/main.cc	Thu Dec 03 02:11:31 2009 +0900
@@ -129,6 +129,7 @@
 
 
 static int blocks = 192;
+static int division = 16; // in Kbyte
 
 static void
 run_start(TaskManager *manager, char *filename)
@@ -148,10 +149,9 @@
     w->file_mmap = st_mmap.file_mmap;
 
     /* 1task分のデータサイズ(byte) */
-    if (w->size >= 4096*4) {
-	w->division_size = 4096 * 4;/*16kbyte*/
-    }
-    else {
+    if (w->size >= 1024*division) {
+	w->division_size = 1024 * division;/*16kbyte*/
+    } else {
 	w->division_size = w->size;
     }
 
@@ -209,6 +209,8 @@
     for (int i = 1; argv[i]; ++i) {	
 	if (strcmp(argv[i], "-file") == 0) {
 	    filename = argv[i+1];
+	} else if (strcmp(argv[i], "-division") == 0) {
+	    division = atoi(argv[i+1]);
 	} else if (strcmp(argv[i], "-block") == 0) {
 	    blocks = atoi(argv[i+1]);
 	}