HTML Preparation code:
AخA
 
1
<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.28.0/ramda.min.js"></script>
2
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js"></script>
Script Preparation code:
x
 
var data = _.range(100000).map(function(i) {
  return {
    counter: i
  }
});
function isOdd(num) {
  return num % 2 === 1;
}
function square(num) {
  return num * num;
}
function lessThanThreeDigits(num) {
  return num.toString().length < 3;
}
Tests:
  • JS native

     
    var result = data
      .map(({counter}) => counter)
      .filter(isOdd)
      .map(square)
      .filter(lessThanThreeDigits)
  • Ramda with transducer

     
    var transducer = R.compose (
      R.map(R.prop('counter')),
      R.filter(isOdd),
      R.map(square),
      R.filter(lessThanThreeDigits),
    );
    var result = R.transduce (
      transducer,
      (acc, val) => {
        acc.push(val);
        return acc;
      },
      [],
      data,
    );
  • Ramda with currying and composition

     
    var result = R.pipe(
      R.pluck('counter'),
      R.filter(isOdd),
      R.map(square),
      R.filter(lessThanThreeDigits)
    )(data);
  • Ramda without relying on currying or composition

     
    var result = R.filter(lessThanThreeDigits,
      R.map(square,
        R.filter(isOdd,
          R.pluck('counter', data))));
  • Ramda with currying and composition (no pluck)

     
    var result = R.pipe(
      R.map (({counter}) => counter),
      R.filter(isOdd),
      R.map(square),
      R.filter(lessThanThreeDigits)
    )(data);
  • Lodash

     
    var result = _.chain(data)
      .map('counter')
      .filter(isOdd)
      .map(square)
      .filter(lessThanThreeDigits)
      .value();
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    JS native
    Ramda with transducer
    Ramda with currying and composition
    Ramda without relying on currying or composition
    Ramda with currying and composition (no pluck)
    Lodash

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 3 years ago)
Mozilla/5.0 (iPhone; CPU iPhone OS 15_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.4 Mobile/15E148 Safari/604.1
Mobile Safari 15 on iOS 15.4
View result in a separate tab
Test name Executions per second
JS native 167.3 Ops/sec
Ramda with transducer 130.6 Ops/sec
Ramda with currying and composition 112.8 Ops/sec
Ramda without relying on currying or composition 97.8 Ops/sec
Ramda with currying and composition (no pluck) 144.6 Ops/sec
Lodash 154.5 Ops/sec