pipelines.ts

import { add, complete, cycle, suite } from 'benny';
import { chainFrom } from 'transducist';

const arr = Array.from(Array(10000).keys());

suite(
  'Pipelines',

  add('array API', () => {
    arr
      .map(i => ++i)
      .filter(i => i % 2 === 0)
      .reduce((a,b) => a + b, 0)
  }),

  add('transducist', () => {
    chainFrom(arr)
      .map(i => ++i)
      .filter(i => i % 2 === 0)
      .reduce((a,b) => a + b, 0)
  }),
  cycle(),
  complete(),
);

/**
❯ yarn run start
yarn run v1.22.17
warning ../../../package.json: No license field
$ ts-node src/index.ts
Running "Pipelines" suite...
Progress: 100%

  array API:
    11 159 ops/s, ±14.73%   | slowest, 67.43% slower

  transducist:
    34 260 ops/s, ±20.99%   | fastest

Finished 2 cases!
  Fastest: transducist
  Slowest: array API
  Done in 11.31s.
 */