js-perf

Javascript performance 'magic'

Please, do not change anything before run. just clone the repo and run the code.

can you tell me why ?

node -v
# 4.1.1 or 0.12.7

time node multiply.js
real    0m2.397s
user    0m2.179s
sys     0m0.024s

time node fast-multiply.js
real    0m0.363s
user    0m0.349s
sys     0m0.012s