Node.js chatbox benchmark using Express.js and Socket.io (WebSockets)

gistfile1.txt

Philip-De-Smedts-MacBook:live_streaming_node philip$ node --prof --prof_lazy --log app.js
   info  - socket.io started
Listening on port 3000
U: 1, MR/S: 1,  MS/S: 1,  MR/S/U: 1,  MS/S/U: 1
U: 3, MR/S: 2,  MS/S: 2,  MR/S/U: 0.7,  MS/S/U: 0.7
U: 5, MR/S: 2,  MS/S: 2,  MR/S/U: 0.4,  MS/S/U: 0.4
U: 7, MR/S: 3,  MS/S: 3,  MR/S/U: 0.4,  MS/S/U: 0.4
U: 9, MR/S: 4,  MS/S: 4,  MR/S/U: 0.4,  MS/S/U: 0.4
U: 11,  MR/S: 2,  MS/S: 2,  MR/S/U: 0.2,  MS/S/U: 0.2
U: 13,  MR/S: 5,  MS/S: 5,  MR/S/U: 0.4,  MS/S/U: 0.4
U: 15,  MR/S: 6,  MS/S: 6,  MR/S/U: 0.4,  MS/S/U: 0.4
U: 17,  MR/S: 2,  MS/S: 2,  MR/S/U: 0.1,  MS/S/U: 0.1
U: 19,  MR/S: 12, MS/S: 12, MR/S/U: 0.6,  MS/S/U: 0.6
U: 21,  MR/S: 8,  MS/S: 8,  MR/S/U: 0.4,  MS/S/U: 0.4
U: 23,  MR/S: 2,  MS/S: 2,  MR/S/U: 0.1,  MS/S/U: 0.1
U: 25,  MR/S: 9,  MS/S: 9,  MR/S/U: 0.4,  MS/S/U: 0.4
U: 27,  MR/S: 26, MS/S: 26, MR/S/U: 1,  MS/S/U: 1
U: 29,  MR/S: 2,  MS/S: 2,  MR/S/U: 0.1,  MS/S/U: 0.1
U: 31,  MR/S: 11, MS/S: 11, MR/S/U: 0.4,  MS/S/U: 0.4
U: 33,  MR/S: 12, MS/S: 12, MR/S/U: 0.4,  MS/S/U: 0.4
U: 35,  MR/S: 2,  MS/S: 2,  MR/S/U: 0.1,  MS/S/U: 0.1
U: 37,  MR/S: 46, MS/S: 46, MR/S/U: 1.2,  MS/S/U: 1.2
U: 39,  MR/S: 14, MS/S: 14, MR/S/U: 0.4,  MS/S/U: 0.4
U: 41,  MR/S: 2,  MS/S: 2,  MR/S/U: 0,  MS/S/U: 0
U: 43,  MR/S: 15, MS/S: 15, MR/S/U: 0.3,  MS/S/U: 0.3
U: 45,  MR/S: 72, MS/S: 72, MR/S/U: 1.6,  MS/S/U: 1.6
U: 47,  MR/S: 2,  MS/S: 2,  MR/S/U: 0,  MS/S/U: 0
U: 49,  MR/S: 17, MS/S: 17, MR/S/U: 0.3,  MS/S/U: 0.3
U: 51,  MR/S: 18, MS/S: 18, MR/S/U: 0.4,  MS/S/U: 0.4
U: 53,  MR/S: 2,  MS/S: 2,  MR/S/U: 0,  MS/S/U: 0
U: 55,  MR/S: 189,  MS/S: 189,  MR/S/U: 3.4,  MS/S/U: 3.4
U: 57,  MR/S: 20, MS/S: 20, MR/S/U: 0.4,  MS/S/U: 0.4
U: 59,  MR/S: 2,  MS/S: 2,  MR/S/U: 0,  MS/S/U: 0
U: 61,  MR/S: 21, MS/S: 21, MR/S/U: 0.3,  MS/S/U: 0.3
U: 63,  MR/S: 133,  MS/S: 133,  MR/S/U: 2.1,  MS/S/U: 2.1
U: 65,  MR/S: 11, MS/S: 11, MR/S/U: 0.2,  MS/S/U: 0.2
U: 67,  MR/S: 23, MS/S: 23, MR/S/U: 0.3,  MS/S/U: 0.3
U: 69,  MR/S: 24, MS/S: 24, MR/S/U: 0.3,  MS/S/U: 0.3
U: 71,  MR/S: 2,  MS/S: 2,  MR/S/U: 0,  MS/S/U: 0
U: 72,  MR/S: 185,  MS/S: 185,  MR/S/U: 2.6,  MS/S/U: 2.6
U: 75,  MR/S: 27, MS/S: 27, MR/S/U: 0.4,  MS/S/U: 0.4
U: 77,  MR/S: 2,  MS/S: 2,  MR/S/U: 0,  MS/S/U: 0
U: 79,  MR/S: 27, MS/S: 27, MR/S/U: 0.3,  MS/S/U: 0.3
U: 81,  MR/S: 556,  MS/S: 556,  MR/S/U: 6.9,  MS/S/U: 6.9
U: 81,  MR/S: 123,  MS/S: 123,  MR/S/U: 1.5,  MS/S/U: 1.5
U: 90,  MR/S: 47, MS/S: 47, MR/S/U: 0.5,  MS/S/U: 0.5
U: 90,  MR/S: 241,  MS/S: 241,  MR/S/U: 2.7,  MS/S/U: 2.7
U: 90,  MR/S: 69, MS/S: 69, MR/S/U: 0.8,  MS/S/U: 0.8
U: 96,  MR/S: 37, MS/S: 37, MR/S/U: 0.4,  MS/S/U: 0.4
U: 98,  MR/S: 2,  MS/S: 2,  MR/S/U: 0,  MS/S/U: 0
U: 99,  MR/S: 225,  MS/S: 225,  MR/S/U: 2.3,  MS/S/U: 2.3
U: 99,  MR/S: 118,  MS/S: 118,  MR/S/U: 1.2,  MS/S/U: 1.2
U: 105, MR/S: 73, MS/S: 73, MR/S/U: 0.7,  MS/S/U: 0.7
U: 107, MR/S: 2,  MS/S: 2,  MR/S/U: 0,  MS/S/U: 0
U: 108, MR/S: 1670, MS/S: 1670, MR/S/U: 15.5, MS/S/U: 15.5
U: 108, MR/S: 0,  MS/S: 0,  MR/S/U: 0,  MS/S/U: 0
U: 108, MR/S: 0,  MS/S: 0,  MR/S/U: 0,  MS/S/U: 0
U: 108, MR/S: 0,  MS/S: 0,  MR/S/U: 0,  MS/S/U: 0