Using Intel E5-2698 v3(32core,2.3-3.4Ghz)，with default configuration， only 8000 CPS for demo server

[fannoz]

With 4x 82599 10GE NIC，LD_PRELOAD，modprobe，shutdown iptables.
The connection per second of Fastsocket is lower than Linux 3.10. Is there anything I missed?
Thank you!