--- /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