Run results for: FP-ts vs native

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

native set

16.2M/s

fp-ts set

8.0M/s

native array

368K/s

View exact numbers

Test name	Executions per second
✓ native set	16,248,855 Ops/sec
fp-ts set	8,006,396 Ops/sec
native array	367,519 Ops/sec

Script Preparation code:

some = (set, predicate) => {
    const values = set.values()
    let e
    let found = false
    while (!found && !(e = values.next()).done) {
      found = predicate(e.value)
    }
    return found
  }
a = Array.from({length: 800}, i => i)
s = new Set(a)

Tests:

fp-ts set
const r = some(s,(v) => v == 301 )
native set
const r = s.has(301)
native array
const r = a.some(v => v == 301)