Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
TypedArray fill vs instantiation
Is a reset by fill() that much slower than instantiating a new TypedArray, that frequent re-allocations is preferred?
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=579234" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Zero fill
25.1M/s
Instantiate
1.8M/s
View exact numbers
Test name
Executions per second
✓
Zero fill
25,083,094 Ops/sec
Instantiate
1,774,897 Ops/sec
Script Preparation code:
let arr = new Float32Array(1000);
Tests:
Instantiate
arr = new Float32Array(1000);
Zero fill
arr.fill(0);