diff --git a/bandwidth/main.c b/bandwidth/main.c
index 49c5b6d..e7d9359 100644
--- a/bandwidth/main.c
+++ b/bandwidth/main.c
@@ -150,12 +150,18 @@ int init_value(void)
 
 void
 usage(char* prog){
-    printf("%s: -n <num> -v \n", prog);
+    printf("%s: -n <num0> -v -r <num1> -d <num1> -f\n", prog);
+    printf("num0: spu number\n");
+    printf("num1: repeat number\n");
+    printf("num2: direction (1: get, 2: put, 3 get put\n");
+    printf("-f: fixed area get put\n");
     return;
 }
 int need_verify = 0;
 int g_spe_threads ;
 int repeat_num=2;
+int dir = (FLAG_GET | FLAG_PUT);
+int fixed = 0;
 int
 processopt(int argc, char **argv)
 {
@@ -166,7 +172,7 @@ processopt(int argc, char **argv)
 
     n = 1;/*default number of spus*/
     
-    while ((c = getopt (argc, argv, "n:vr:")) != -1){
+    while ((c = getopt (argc, argv, "n:vr:d:f")) != -1){
         switch (c)
             {
             case 'n':
@@ -183,10 +189,20 @@ processopt(int argc, char **argv)
                     return -1;
                 }
                 break;
+            case 'd':
+                cvalue = optarg;
+                if (sscanf(cvalue, "%d", &dir) ==0 || n < 0){
+                    fprintf(stderr, "Invalid direction(%d)\n", n);
+                    return -1;
+                }
+                break;
 		
             case 'v':
 		need_verify = 1;
                 break;
+            case 'f':
+		fixed = FLAG_FIXED;
+                break;
             case '?':
                 if (isprint (optopt))
                     fprintf (stderr, "Unknown option `-%c'.\n", optopt);
@@ -247,10 +263,18 @@ int main(int argc, char **argv)
 
 	si[i].rank = i;
 	si[i].speid = (unsigned long)spe_ids[i];
-	si[i].count = totalcount/g_spe_threads;
-	si[i].bufa = (unsigned long)bufa;
-	si[i].bufc = (unsigned long)bufc;
-	
+	si[i].count = (((1024 / 2) / g_spe_threads) + (i < ((1024 / 2) % g_spe_threads))) * 1024 * 16 * 2;
+	if (!i) {
+	    si[i].bufa = (unsigned long)bufa;
+	    si[i].bufc = (unsigned long)bufc;
+	} else {
+	    si[i].bufa = si[i-1].bufa + si[i-1].count;
+	    si[i].bufc = si[i-1].bufc + si[i-1].count;
+	}
+	si[i].flags = dir | fixed;
+	printf("SPU%d: rank=%d speid=%ld count=%d(%#x) bufa=%#lx bufc=%#lx flags=%#x\n",
+	       i, si[i].rank, si[i].speid, si[i].count, si[i].count, si[i].bufa, si[i].bufc, si[i].flags);
+
     }
     
     
@@ -302,7 +326,11 @@ int main(int argc, char **argv)
     ave_time = totaltime /num_runs;
     printf("average time is =%f\n", ave_time);
 
-    bandwidth = (COUNT*2)/ave_time/1000000000;
+    if (dir == (FLAG_GET | FLAG_PUT)) {
+	bandwidth = (COUNT*2)/ave_time/1000000000;
+    } else {
+	bandwidth = (COUNT)/ave_time/1000000000;
+    }
     printf("bandwidth is %f GB/s\n", bandwidth);
     return (0);
 }
diff --git a/bandwidth/spu/simple_spu.c b/bandwidth/spu/simple_spu.c
index e857b36..ec4251b 100644
--- a/bandwidth/spu/simple_spu.c
+++ b/bandwidth/spu/simple_spu.c
@@ -63,16 +63,23 @@ do_compute_db()
     int current, next;
     int k;
     int i0;
+    int get, put, range;
  
     count = myinfo->count;
     a = (char*)&ls_bufa[0];
     c = (char*)&ls_bufc[0];
 
-    i0 = myinfo->rank*count;
+    i0 = 0;
     next = current = 0 ;
-    
-    for (k=0;k < NUM_DMA; k++){
-	spu_mfcdma32(a + k*DMA_COUNT, (unsigned long)myinfo->bufa + i0 + k*DMA_COUNT,	DMA_COUNT, tag_id , MFC_GET_CMD);
+
+    get = myinfo->flags & FLAG_GET;
+    put = myinfo->flags & FLAG_PUT;
+    range = myinfo->flags & FLAG_FIXED;
+
+    if (get) {
+	for (k=0;k < NUM_DMA; k++){
+	    spu_mfcdma32(a + k*DMA_COUNT, (unsigned long)myinfo->bufa + i0 + k*DMA_COUNT, DMA_COUNT, tag_id , MFC_GET_CMD);
+        }
     }
     
     for( i = i0; i < i0 + count; i+= NUM_DMA*DMA_COUNT){
@@ -80,15 +87,20 @@ do_compute_db()
 	next = NUM_DMA*DMA_COUNT  - current;
 	
 	if (i + NUM_DMA*DMA_COUNT < i0+ count){
-	    for (k =0;k < NUM_DMA; k++){
-		spu_mfcdma32(a + next+k*DMA_COUNT, (unsigned long)myinfo->bufa + (i+ (NUM_DMA+k)*DMA_COUNT), DMA_COUNT, tag_id , MFC_GET_CMD);
+	    if (get) {
+	        for (k =0;k < NUM_DMA; k++){
+		    int offset = (range) ? next : i;
+		    spu_mfcdma32(a + next+k*DMA_COUNT, (unsigned long)myinfo->bufa + (offset+ (NUM_DMA+k)*DMA_COUNT), DMA_COUNT, tag_id , MFC_GET_CMD);
+	        }
 	    }
-	    
 	}
 	
 
-	for (k=0;k< NUM_DMA; k++){
-	    spu_mfcdma32(a+current+k*DMA_COUNT, (unsigned long)myinfo->bufc + i + k*DMA_COUNT, DMA_COUNT, tag_id , MFC_PUT_CMD);		
+	if (put) {
+	    for (k=0;k< NUM_DMA; k++){
+		int offset = (range) ? current : i;
+	        spu_mfcdma32(a+current+k*DMA_COUNT, (unsigned long)myinfo->bufc + offset + k*DMA_COUNT, DMA_COUNT, tag_id , MFC_PUT_CMD);		
+	    }
 	}
 	current =  next;
     }
diff --git a/bandwidth/spu/speinfo.h b/bandwidth/spu/speinfo.h
index 0a0033d..e6e0166 100644
--- a/bandwidth/spu/speinfo.h
+++ b/bandwidth/spu/speinfo.h
@@ -3,6 +3,10 @@
 
 #define MAXSPE 8
 
+#define FLAG_GET   0x00000001
+#define FLAG_PUT   0x00000002
+#define FLAG_FIXED 0x00000004
+
 struct spe_info{
     int rank;
     unsigned long speid;
@@ -13,7 +17,8 @@ struct spe_info{
     void* ls;    
     void* sig1;
     void* control_area;
-    char pad[12];
+    unsigned int flags;
+    char pad[8];
 };