Simple high-resolution timing wrapper module in CoffeeScript

timing.coffee

if process.hrtime
  console.log "using process.hrtime for timing"
  clock = process.hrtime
else
  console.log "using microtime for timing"
  Microtime = require('microtime')
  clock = (s) ->
    t = Microtime.nowStruct()
    t[1] *= 1000 # microseconds to nanoseconds
    if s
      t[0] -= s[0]
      t[1] -= s[1]
      if t[1] < 0
        t[0] -= 1
        t[1] += 1000000000
    t

namedTimers = {}

exports.time = (name) ->
  delete namedTimers[name]
  namedTimers[name] = clock()

exports.timeEnd = (name, logger = console.log) ->
  t = clock(namedTimers[name])
  delete namedTimers[name]
  if t[0]
    logger "#{name} #{t[0]} seconds #{t[1]} nanoseconds"
  else
    logger "#{name} #{t[1]} nanoseconds"
  t