floor() vs trunc() vs bitwise hacks (~~, >> 0, etc) vs round() (version: 1)

Comparing performance of: floor vs ~~ vs >> 0 vs | 0 vs << 0 vs Math.trunc() vs x - (x % 1) vs parseInt() vs round()

Created: one year ago by: Registered User
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Script Preparation code:
Tests:
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    floor
    ~~
    >> 0
    | 0
    << 0
    Math.trunc()
    x - (x % 1)
    parseInt()
    round()

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Mobile Safari/537.36
Chrome Mobile 136 on Android
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<< 0
560K/s
Math.trunc()
557K/s
round()
547K/s
>> 0
545K/s
parseInt()
543K/s
| 0
528K/s
~~
524K/s
floor
477K/s
x - (x % 1)
464K/s
View exact numbers
Test name Executions per second
✓ << 0 560,085 Ops/sec
Math.trunc() 556,840 Ops/sec
round() 547,389 Ops/sec
>> 0 544,900 Ops/sec
parseInt() 543,337 Ops/sec
| 0 527,917 Ops/sec
~~ 523,947 Ops/sec
floor 476,565 Ops/sec
x - (x % 1) 464,062 Ops/sec

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