Benchmark image resize modules

benchmark-resize.js

const sharp = require('sharp')
const Jimp = require('jimp')
const { Suite } = require('benchmark')

var suite = new Suite()

// add tests
suite
.add('Sharp', {
  defer: true,
  fn: deferred => {
    sharp('test.jpg')
      .resize({ width: 100 })
      .jpeg({ quality: 60 })
      // .toFile('1.jpg')
      .toBuffer()
      .then(() => { deferred.resolve() })
  }
})
.add('Jimp', {
  defer: true,
  fn: deferred => {
    Jimp.read('test.jpg')
      .then(lenna => lenna
        .resize(100, Jimp.AUTO)
        .quality(60)
        // .write('2.jpg')
        .getBufferAsync(Jimp.MIME_JPEG)
      )
      .then(() => { deferred.resolve() })
  }
})
// add listeners
.on('cycle', event => {
  console.log(String(event.target))
})
.on('complete', function () {
  console.log('Fastest is ' + this.filter('fastest').map('name'))
})
// run async
.run({ 'async': true })

output-buffer.txt

Sharp x 219 ops/sec ±1.51% (80 runs sampled)
Jimp x 1.50 ops/sec ±5.26% (12 runs sampled)
Fastest is Sharp

output-file.txt

Sharp x 215 ops/sec ±1.08% (80 runs sampled)
Jimp x 1.45 ops/sec ±8.49% (11 runs sampled)
Fastest is Sharp