Run results for: JS BigInt vs two numbers bitwise performance

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) EdgiOS/144.0.3719.115 Version/18.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.6.2

Device Platform: Mobile

Date tested: 2 months ago

Test name	Executions per second
BigInt	56883972.0 Ops/sec
Number	269063392.0 Ops/sec

Script Preparation code:

var bigInt1 = 4294967123295n
var bigInt2 = 4294967423295n
var number1_1 = 1
var number1_2 = 5
var number2_1 = 6
var number2_1 = 555

Tests:

BigInt
c = bigInt1 & bigInt2
Number
c = (number1_1 & number2_1) || (number1_2 & number2_2)

Run results for: JS BigInt vs two numbers bitwise performance

Compare Number vs BigInt for big numbers

BigInt

Number