--- /dev/null
+5000 sleep
+send (B/MB)                    receive (B/MB)                  time (s)
+------------------------------------------------------------
+1048576/1                      1048576/1                               1
+33554432/32                    25030616/24                             24
+67108864/64                    49692348/48                             44
+134217728/128          89076884/85                             89
+268435456/256          125071216/120                   164
+
+
+send (B/MB)                    receive (B/KB)                  time (s)
+------------------------------------------------------------
+1048576/1                      139332/137                              1
+33554432/32                    344232/337                              6
+67108864/64                    368820/361                              8
+134217728/128          434388/425                              19
+268435456/256          1901472/1946                    53
 
--- /dev/null
+send (B/MB)                    receive (B/MB)                  time (s)
+------------------------------------------------------------
+1048576/1                      210944/0.2                              1
+33554432/32                    8388608/8                               17
+67108864/64                    18874368/18                             37
+134217728/128          40894464/39                             90
+268435456/256          57671680/55                             133