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

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Mozilla/5.0 (X11; Linux x86_64; rv:132.0) Gecko/20100101 Firefox/132.0
Firefox 132
Linux
Desktop
one year ago
<< 0
583.0M/s
parseInt()
582.2M/s
^ 0x000000000000
580.9M/s
~~
580.8M/s
x - (x % 1)
580.4M/s
Math.trunc()
580.3M/s
& 0xFFFFFFFFFFFF
580.1M/s
>> 0
578.7M/s
| 0
576.9M/s
floor
575.1M/s
View exact numbers
Test name Executions per second
✓ << 0 582,982,656 Ops/sec
parseInt() 582,229,504 Ops/sec
^ 0x000000000000 580,917,376 Ops/sec
~~ 580,770,432 Ops/sec
x - (x % 1) 580,449,664 Ops/sec
Math.trunc() 580,324,160 Ops/sec
& 0xFFFFFFFFFFFF 580,091,072 Ops/sec
>> 0 578,717,120 Ops/sec
| 0 576,943,424 Ops/sec
floor 575,117,376 Ops/sec
Script Preparation code:
Tests: