Run results for: floor() vs trunc() vs bitwise hacks (~~, >> 0, etc)

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
one year ago
Math.trunc()
523.3M/s
>> 0
516.9M/s
| 0
515.3M/s
parseInt()
514.1M/s
x - (x % 1)
512.0M/s
~~
510.7M/s
& 0xFFFFFFFFFFFF
510.7M/s
^ 0x000000000000
506.8M/s
<< 0
500.7M/s
floor
495.0M/s
View exact numbers
Test name Executions per second
✓ Math.trunc() 523,277,344 Ops/sec
>> 0 516,944,416 Ops/sec
| 0 515,320,704 Ops/sec
parseInt() 514,113,312 Ops/sec
x - (x % 1) 512,027,200 Ops/sec
~~ 510,720,224 Ops/sec
& 0xFFFFFFFFFFFF 510,674,080 Ops/sec
^ 0x000000000000 506,757,920 Ops/sec
<< 0 500,743,936 Ops/sec
floor 494,981,152 Ops/sec
Script Preparation code:
Tests: