Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Round in javascript
Go to the benchmark
Embed
Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Browser:
Chrome 126
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
Double bitwise not
6.4M/s
Or bitwise
6.4M/s
Left bitwise shift
6.1M/s
Math.round
3.7M/s
View exact numbers
Test name
Executions per second
✓
Double bitwise not
6,396,086 Ops/sec
Or bitwise
6,363,624 Ops/sec
Left bitwise shift
6,141,249 Ops/sec
Math.round
3,696,883 Ops/sec
Script Preparation code:
var somenum = 7.3, rounded;
Tests:
Or bitwise
rounded = (0.5 + somenum) | 0;
Double bitwise not
rounded = ~~ (0.5 + somenum);
Left bitwise shift
rounded = (0.5 + somenum) << 0;
Math.round
rounded = Math.round(somenum);