Run results for: bigint vs. bignumber.js vs. big.js vs. decimal.js

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
Native	121280336.0 Ops/sec
BigInt	55258024.0 Ops/sec
decimal.js	1820948.6 Ops/sec
big.js	2639673.0 Ops/sec
bignumber.js	2154626.8 Ops/sec

HTML Preparation code:

<!--script src="https://raw.githubusercontent.com/iriscouch/bigdecimal.js/v0.6.1/lib/bigdecimal.js"></script-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/bignumber.js/9.0.1/bignumber.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/big.js/6.0.3/big.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/decimal.js/10.2.1/decimal.min.js"></script>
<!--script src="https://raw.githubusercontent.com/infusion/Fraction.js/v4.0.12/fraction.min.js"></script-->

Tests:

Native
var a = 100; var b = 200000; ((a + b) * b).toString();
BigInt
var a = 100n; var b = 200000n; ((a + b) * b).toString();
decimal.js
var a = new Decimal("100"); var b = new Decimal("200000"); a.plus(b).times(b).toString();
big.js
var a = new Big("100"); var b = new Big("200000"); a.plus(b).mul(b).toString();
bignumber.js
var a = new BigNumber("100"); var b = new BigNumber("200000"); a.plus(b).multipliedBy(b).toString();

Run results for: bigint vs. bignumber.js vs. big.js vs. decimal.js

- https://github.com/MikeMcl/bignumber.js/tree/v9.0.0 - https://github.com/MikeMcl/big.js/tree/v5.2.2 - https://github.com/MikeMcl/decimal.js/tree/v10.2.0

Native

BigInt

decimal.js

big.js

bignumber.js