Run results for: Ramda beats native x10

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36

Browser: Chrome 88

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Ramda - Count	695.1 Ops/sec
Native - Count	73.7 Ops/sec

HTML Preparation code:

<script src="//cdnjs.cloudflare.com/ajax/libs/ramda/0.27.1/ramda.min.js"></script>

Script Preparation code:

const MULTIPLIER = 1e5

var ramdaF = R.pipe(
    R.map(R.o(Math.round, R.multiply(MULTIPLIER))),
    R.filter(R.modulo(R.__, 2))
)

var nativeF = vals =>
    vals
    .map(v => Math.round(v * MULTIPLIER))
    .filter(v => v % 2)

var arr = Array.from({
    length: 50000
}, Math.random)

const ramdaRes = ramdaF(arr)
const nativeRes = nativeF(arr)

if (!R.equals(ramdaRes, nativeRes)) {
    throw new Error('Different results!')
}

Tests:

Ramda - Count
ramdaF(arr)
Native - Count
nativeF(arr)

Run results for: Ramda beats native x10

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Ramda - Count

Native - Count