mapspeedtest.coffee

_ = require 'lodash'


#
# Good ol' while statement
#


bunchOfNumbers = [0 .. 1000000]

start = new Date().getMinutes()
start *= 60
start += new Date().getSeconds()
start *= 1000
start += new Date().getMilliseconds()

time = 0
while time < bunchOfNumbers.length
  bunchOfNumbers[ time ]++
  time++

end = new Date().getMinutes()
end *= 60
end += new Date().getSeconds()
end *= 1000
end += new Date().getMilliseconds()

console.log "DURATION OF WHILE", (end - start)


#
# Lo dash Map
#


bunchOfNumbers = [0 .. 1000000]

start = new Date().getMinutes()
start *= 60
start += new Date().getSeconds()
start *= 1000
start += new Date().getMilliseconds()

bunchOfNumbers = _.map bunchOfNumbers, (number) ->
  number + 1

end = new Date().getMinutes()
end *= 60
end += new Date().getSeconds()
end *= 1000
end += new Date().getMilliseconds()

console.log "DURATION OF MAP", (end - start)


#
# native map
#


bunchOfNumbers = [0 .. 1000000]

start = new Date().getMinutes()
start *= 60
start += new Date().getSeconds()
start *= 1000
start += new Date().getMilliseconds()

bunchOfNumbers.map (number) ->
  number + 1

end = new Date().getMinutes()
end *= 60
end += new Date().getSeconds()
end *= 1000
end += new Date().getMilliseconds()

console.log "DURATION OF NATIVE MAP", (end - start)

#
# Results are usually around
# While      : 3
# Lodash Map : 150
# Native Map : 165