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

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0
Firefox 122
Windows
Desktop
2 years ago
x - (x % 1)
1027.1M/s
floor
255.0M/s
~~
242.7M/s
Math.trunc()
240.6M/s
<< 0
240.5M/s
>> 0
239.8M/s
| 0
239.2M/s
parseInt()
239.0M/s
^ 0x000000000000
237.4M/s
& 0xFFFFFFFFFFFF
237.0M/s
View exact numbers
Test name Executions per second
✓ x - (x % 1) 1,027,123,200 Ops/sec
floor 255,036,784 Ops/sec
~~ 242,708,976 Ops/sec
Math.trunc() 240,572,944 Ops/sec
<< 0 240,514,288 Ops/sec
>> 0 239,781,904 Ops/sec
| 0 239,182,880 Ops/sec
parseInt() 238,966,096 Ops/sec
^ 0x000000000000 237,428,016 Ops/sec
& 0xFFFFFFFFFFFF 237,018,288 Ops/sec
Script Preparation code:
Tests: