Benchmark: llquantize vs metrics.Histogram

llq-out.txt

$ time node llq.js 
{ '1': 104,
  '2': 95,
  '3': 112,
  '4': 104,
  '5': 95,
  '6': 103,
  '7': 96,
  '8': 106,
  '9': 100,
  '10': 986,
  '20': 1034,
  '30': 1032,
  '40': 976,
  '50': 977,
  '60': 1007,
  '70': 1045,
  '80': 993,
  '90': 1027,
  '100': 10078,
  '200': 9958,
  '300': 10234,
  '400': 10011,
  '500': 10107,
  '600': 10137,
  '700': 10015,
  '800': 10118,
  '900': 9997,
  '1000': 100487,
  '2000': 99524,
  '3000': 100613,
  '4000': 100214,
  '5000': 100140,
  '6000': 99827,
  '7000': 100060,
  '8000': 100647,
  '9000': 99925,
  '10000': 1000137,
  '20000': 1000094,
  '30000': 1002967,
  '40000': 1002088,
  '50000': 997856,
  '60000': 999457,
  '70000': 999818,
  '80000': 1001053,
  '90000': 1000877,
  '100000': 9999703,
  '200000': 10003456,
  '300000': 10001511,
  '400000': 9994089,
  '500000': 9990945,
  '600000': 10005991,
  '700000': 9998204,
  '800000': 9999159,
  '900000': 10000402,
  '0.7': 4,
  '0.004': 1,
  '0.4': 10,
  '0.8': 14,
  '0.3': 9,
  '0.06': 2,
  '0.9': 12,
  '0.6': 12,
  '0.2': 7,
  '0.5': 13,
  '0.1': 12,
  '0.07': 1,
  '0.05': 1,
  '0.04': 2,
  '0.0006': 1,
  '0.08': 1,
  '0.09': 1,
  '0.02': 2,
  '0.009': 1,
  '0.01': 2,
  '0.002': 1 }

real	0m22.970s
user	0m22.993s
sys	0m0.090s

llq.js

var llquantize = require('llquantize')
  , llq = llquantize()

for (var i = 0; i < 100000000; i++) {
  llq(Math.random() * 1000000)
}

console.log(llq())

metr-out.txt

$ time node metr.js 
{ type: 'histogram',
  min: 0.0009313225746154785,
  max: 999999.9906867743,
  sum: 49998497494951.734,
  variance: 83335249077.92839,
  mean: 499984.97494969005,
  std_dev: 288678.4527427158,
  count: 100000000,
  median: 493190.4720142484,
  p75: 740527.1644820459,
  p95: 942698.7110404298,
  p99: 988890.730580315,
  p999: 999618.4600321576 }

real	0m32.893s
user	0m32.935s
sys	0m0.120s

metr.js

var metrics = require('metrics')
  , hist = new metrics.Histogram()

for (var i = 0; i < 100000000; i++) {
  hist.update(Math.random() * 1000000)
}

console.log(hist.printObj())

setup.md

Install dependencies:

$ npm install llquantize
$ npm install metrics

Run:

$ time node llq.js
...

$ time node metr.js
...