Index: apps/plugins/test_mem.c
===================================================================
--- apps/plugins/test_mem.c     (revision 25456)
+++ apps/plugins/test_mem.c     (working copy)
@@ -24,7 +24,7 @@
 PLUGIN_HEADER

 #define BUF_SIZE ((PLUGIN_BUFFER_SIZE-(10<<10)) / (sizeof(int)))
-#define LOOP_REPEAT 8
+#define LOOP_REPEAT 128
 static volatile int buf[BUF_SIZE];
 #define KB_PER_SEC(delta) ((BUF_SIZE*sizeof(buf[0])*LOOP_REPEAT/delta) >> 10)

@@ -45,11 +45,14 @@
         int x;
         int delta;
         last_tick = *rb->current_tick;
-
         for(i = 0; i < LOOP_REPEAT; i++)
         {
-            for (j = 0; j < BUF_SIZE; j++)
+            for (j = 0; j < BUF_SIZE; j+=4) {
                 buf[j] = j;
+                buf[j+1] = j;
+                buf[j+2] = j;
+                buf[j+3] = j;
+            }
         }
         delta = *rb->current_tick - last_tick;
         rb->screens[0]->clear_display();
@@ -59,11 +62,31 @@
         rb->screens[0]->putsf(0, line++, "write ticks: %d (%d kB/s)", delta,
                               KB_PER_SEC(delta));
         last_tick = *rb->current_tick;
-        for(i = 0; i < LOOP_REPEAT; i++)
+
+#if 1
+    int *ptr;
+    for(i = 0; i < LOOP_REPEAT; i++)
         {
-            for(j = 0; j < BUF_SIZE; j++)
+            for(j = 0; j < BUF_SIZE; j+=4)
+                ptr=&buf[j];
+                  asm  (
+                  "ldmdb %[ptr], {r0, r1, r2, r3};"
+                  : [ptr] "+r" (ptr)
+                  :  : "r0", "r1", "r2", "r3");
+
+        }
+
+
+#else
+    for(i = 0; i < LOOP_REPEAT; i++)
+        {
+            for(j = 0; j < BUF_SIZE; j+=4)
                 x = buf[j];
+                x = buf[j+1];
+                x = buf[j+2];
+                x = buf[j+3];
         }
+#endif
         delta = *rb->current_tick - last_tick;
         rb->screens[0]->putsf(0, line++, "read ticks: %d (%d kB/s)", delta,
                               KB_PER_SEC(delta));