kmemcached vs memcached

gistfile1.txt

#kmemcached
[ec2-user@ip-10-161-30-84 ~]$ ./mcb -cget -t20 -n50000 -p 11212
condition =>
        connect to 127.0.0.1 TCP port 11212
        command = get
        20 thread run
        send 50000 command a thread, total 1000000 command
        data length = 1024
result =>
        interval =  3.765747 [sec]
        performance =  265551.574400 [command/sec]
        thread info:
          ave. = 3.557983[sec], min = 3.244235[sec], max = 3.762831[sec]

#memcached
[ec2-user@ip-10-161-30-84 ~]$ ./mcb -cget -t20 -n50000 -p 11211
condition =>
        connect to 127.0.0.1 TCP port 11211
        command = get
        20 thread run
        send 50000 command a thread, total 1000000 command
        data length = 1024
result =>
        interval =  7.603890 [sec]
        performance =  131511.635177 [command/sec]
        thread info:
          ave. = 7.483616[sec], min = 7.323063[sec], max = 7.600795[sec]