master (streams2)

$ ./node -pe process.versions
{ http_parser: '1.0',
  node: '0.9.7-pre',
  v8: '3.15.11.7',
  ares: '1.9.0-DEV',
  uv: '0.9',
  zlib: '1.2.3',
  openssl: '1.0.1c' }

$ bash benchmark/http.sh 
net: class is not implemented
net.inet.ip.portrange.first: 12000 -> 12000
net.inet.tcp.msl: 1000 -> 1000
kern.maxfiles: 1000000 -> 1000000
kern.maxfilesperproc: 1000000 -> 1000000
pid 70494
Listening at http://127.0.0.1:8000/
using keepalive
create storedBytes[n]
11358.87
11805.06
11586.18
11508.48
11672.47
11762.90
11562.93
10980.84
10728.66
10752.16
10769.53
11080.67
10886.09
11003.56
10292.59
10767.15
10212.30
10777.36
10688.35
10643.88

streams1-new-v8-new-libuv

$ ./node -pe process.versions
{ http_parser: '1.0',
  node: '0.9.7-pre',
  v8: '3.15.11.7',
  ares: '1.9.0-DEV',
  uv: '0.9',
  zlib: '1.2.3',
  openssl: '1.0.1c' }

$ bash benchmark/http.sh 
Password:
net: class is not implemented
net.inet.ip.portrange.first: 12000 -> 12000
net.inet.tcp.msl: 1000 -> 1000
kern.maxfiles: 1000000 -> 1000000
kern.maxfilesperproc: 1000000 -> 1000000
pid 95048
Listening at http://127.0.0.1:8000/
using keepalive
create storedBytes[n]
11689.03
11271.78
10554.90
10164.54
10364.73
10492.80
10416.45
10557.27
10372.64
10337.62
10241.43
10379.54
10403.64
10164.55
10263.90
10342.89
10118.31
10419.79
10231.02
10282.55

streams1-old-v8

$ ./node -pe process.versions
{ http_parser: '1.0',
  node: '0.9.4-pre',
  v8: '3.11.10.25',
  ares: '1.9.0-DEV',
  uv: '0.9',
  zlib: '1.2.3',
  openssl: '1.0.1c' }

$ bash benchmark/http.sh 
Password:
net: class is not implemented
net.inet.ip.portrange.first: 12000 -> 12000
net.inet.tcp.msl: 1000 -> 1000
kern.maxfiles: 1000000 -> 1000000
kern.maxfilesperproc: 1000000 -> 1000000
pid 88521
Listening at http://127.0.0.1:8000/
using keepalive
create storedBytes[n]
10964.83
11229.64
11358.39
10895.30
10357.75
10452.53
10318.43
10140.91
9941.55
9986.93
9835.90
9842.49
9734.21
9671.57
9890.35
9479.92
9831.01
9836.94
9870.46
9755.40

v0.8

$ ./node -pe process.versions
{ http_parser: '1.0',
  node: '0.8.18-pre',
  v8: '3.11.10.25',
  ares: '1.7.5-DEV',
  uv: '0.8',
  zlib: '1.2.3',
  openssl: '1.0.0f' }

$ bash benchmark/http.sh 
net: class is not implemented
net.inet.ip.portrange.first: 12000 -> 12000
net.inet.tcp.msl: 1000 -> 1000
kern.maxfiles: 1000000 -> 1000000
kern.maxfilesperproc: 1000000 -> 1000000
pid 70396
Listening at http://127.0.0.1:8000/
using keepalive
create storedBytes[n]
12513.78
12719.74
13073.98
13027.40
12865.38
12615.46
12139.34
11506.69
11274.44
11296.86
10808.53
11561.11
11335.85
11603.00
11591.29
11478.98
11300.51
11417.52
11466.10
11266.71