Bench function vs bind vs new Object

README.md

Node 6.9.1

NANOBENCH version 1

# benchFunction
  end ~220 ms (0 s + 219586469 ns)
# benchBind
  end ~3.19 s (3 s + 186017098 ns)
# benchObject
  end ~90 ms (0 s + 89620728 ns)

# total ~3.5 s (3 s + 495224295 ns)

# ok

Node 7.2.1

NANOBENCH version 1

# benchFunction
  end ~265 ms (0 s + 264772808 ns)
# benchBind
  end ~224 ms (0 s + 223533755 ns)
# benchObject
  end ~93 ms (0 s + 92805046 ns)

# total ~581 ms (0 s + 581111609 ns)

# ok

bench.js

'use strict'

var bench = require('nanobench')
var request = {end: function () {}}

bench('benchFunction', function (b) {
  b.start()
  for (var i = 0; i < 10000000; i++) {
    (function foo () { request.end() })()
  }
  b.end()
})

bench('benchBind', function (b) {
  b.start()
  for (var i = 0; i < 10000000; i++) {
    reply.bind(request)()
  }
  b.end()
})

bench('benchObject', function (b) {
  b.start()
  for (var i = 0; i < 10000000; i++) {
    (new Reply(request)).send()
  }
  b.end()
})

function reply () {
  this.end()
}

function Reply (res) {
  this.res = res
}

Reply.prototype.send = function () {
  this.res.end()
}