nested-vs-inline-fns

nested-vs-inline-fns

var ITCOUNT = 1e6

function a () {
 return function b (z) { return z + 1 }
}

var sum1 = 0
for (var i = 0; i < ITCOUNT; ++i) {
  var toAdd1 = Math.random()
  var start1 = process.hrtime()[1]
  a()(toAdd1)
  sum1 += process.hrtime()[1] - start1
}

function b (z) {
  return z + 1
}

function a () {
  return b
}

var sum2 = 0
for (var i=0; i < ITCOUNT; ++i) {
  var toAdd2 = Math.random()
  var start2 = process.hrtime()[1]
  a()(toAdd2)
  sum2 += process.hrtime()[1] - start2
}

console.log(`results: nested takes ${((sum1 - sum2) / sum2).toFixed(3)}% longer than inline`)