Express vs Flask vs Go vs Sparkjava vs Sinatra

In this gist I’ve used cluster for node

it reaches 24-28k Requests/sec:

this can be compared to the Flask configuration

python2.7 /usr/bin/gunicorn -w7 fib:app -k meinheld.gmeinheld.MeinheldWorker

with 7 workers that reaches

16–18k Requests/sec

and with pypy

pypy /usr/bin/gunicorn -w7 fib:app -k meinheld.gmeinheld.MeinheldWorker

that reaches

30–33k Requests/sec

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