Bench on using prawn or nodecanvas to generate pdf.

Canvas

  cd canvas
  npm install
  node app.js

Prawn

  cd prawn
  bundle install
  ruby app.rb

Bench (100 générations de petit PDF simultanées) :

time ./bench canvas 100

real 0m3.294s
user 0m10.661s
sys  0m1.592s

time ./bench prawn 100

real    0m25.701s
user    1m33.222s
sys     0m5.792s

Bench 2 (100 générations de gros PDF simultanées) :

time ./bench canvas 100

real 0m37.767s
user 2m5.688s
sys  0m10.621s

time ./bench prawn 100

real 1m11.089s
user 4m25.497s
sys  0m6.992s

Mémoire :

/usr/bin/time -v node app.js

              Maximum resident set size (kbytes): 165200
              Minor (reclaiming a frame) page faults: 14102

/usr/bin/time -v ruby app.rb

              Maximum resident set size (kbytes): 88800
              Minor (reclaiming a frame) page faults: 6598