Run results for: bignumber.js vs. big.js vs. decimal.js 2022 ver. (random) (no toFixed)

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.2.1

Device Platform: Mobile

Date tested: 2 years ago

Native toString()

5.5M/s

Native toFixed(9)

5.3M/s

bignumber.js toString()

379K/s

big.js toString()

377K/s

bignumber.js toFixed(18)

371K/s

big.js toFixed(18)

340K/s

decimal.js toString()

268K/s

decimal.js toFixed(18)

248K/s

View exact numbers

Test name	Executions per second
✓ Native toString()	5,532,476 Ops/sec
Native toFixed(9)	5,324,428 Ops/sec
bignumber.js toString()	378,998 Ops/sec
big.js toString()	377,440 Ops/sec
bignumber.js toFixed(18)	370,607 Ops/sec
big.js toFixed(18)	339,654 Ops/sec
decimal.js toString()	267,856 Ops/sec
decimal.js toFixed(18)	248,396 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/bignumber.js/9.1.0/bignumber.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/big.js/6.2.1/big.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/decimal.js/10.3.1/decimal.min.js"></script>
<!--<script src="https://cdn.jsdelivr.net/npm/decimal.js-light@2.5.1/decimal.min.js"></script>-->

Script Preparation code:

BigNumber.set({
    EXPONENTIAL_AT: 999,
    DECIMAL_PLACES: 18
});
Decimal.set({
    toExpNeg: -999,
    toExpPos: 999,
    precision: 18
});
Big.DP = 18;
Big.NE = -999;
Big.PE = 999;

Tests:

Native toString()
{ const a = Math.random(); const b = Math.random(); const c = Math.random(); const d = Math.random(); ((a + b) * (c - d)); }
Native toFixed(9)
{ const a = Math.random(); const b = Math.random(); const c = Math.random(); const d = Math.random(); ((a + b) * (c - d)); }
bignumber.js toString()
{ const a = BigNumber(Math.random()); const b = BigNumber(Math.random()); const c = BigNumber(Math.random()); const d = BigNumber(Math.random()); a.plus(b).times(c.minus(d)); }
bignumber.js toFixed(18)
{ const a = BigNumber(Math.random()); const b = BigNumber(Math.random()); const c = BigNumber(Math.random()); const d = BigNumber(Math.random()); a.plus(b).times(c.minus(d)); }
big.js toString()
{ const a = Big(Math.random()); const b = Big(Math.random()); const c = Big(Math.random()); const d = Big(Math.random()); a.plus(b).times(c.minus(d)); }
big.js toFixed(18)
{ const a = Big(Math.random()); const b = Big(Math.random()); const c = Big(Math.random()); const d = Big(Math.random()); a.plus(b).times(c.minus(d)).toFixed(18); }
decimal.js toString()
{ const a = Decimal(Math.random()); const b = Decimal(Math.random()); const c = Decimal(Math.random()); const d = Decimal(Math.random()); a.plus(b).times(c.minus(d)).toString(); }
decimal.js toFixed(18)
{ const a = Decimal(Math.random()); const b = Decimal(Math.random()); const c = Decimal(Math.random()); const d = Decimal(Math.random()); a.plus(b).times(c.minus(d)).toFixed(18); }