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

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Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:107.0) Gecko/20100101 Firefox/107.0
Firefox 107
Linux
Desktop
one year ago
x - (x % 1)
459.0M/s
^ 0x000000000000
156.5M/s
~~
156.0M/s
& 0xFFFFFFFFFFFF
155.4M/s
Math.trunc()
155.2M/s
floor
154.2M/s
<< 0
154.1M/s
>> 0
151.4M/s
| 0
150.0M/s
parseInt()
20.1M/s
View exact numbers
Test name Executions per second
✓ x - (x % 1) 458,991,392 Ops/sec
^ 0x000000000000 156,456,448 Ops/sec
~~ 155,954,976 Ops/sec
& 0xFFFFFFFFFFFF 155,445,120 Ops/sec
Math.trunc() 155,217,744 Ops/sec
floor 154,186,224 Ops/sec
<< 0 154,091,248 Ops/sec
>> 0 151,364,128 Ops/sec
| 0 150,000,496 Ops/sec
parseInt() 20,127,430 Ops/sec
Script Preparation code:
Tests: