Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Array initialization: preallocate a typed array vs vanilla preallocation
Go to the benchmark
Embed
Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Preallocate typed
170006.0 Ops/sec
Preallocate vanilla
227286.4 Ops/sec
Tests:
Preallocate typed
var N = 10000; var result = new Uint8Array(N); for (var i = 0; i < N; i++) { result[i] = i; }
Preallocate vanilla
var N = 10000; var result = new Array(N); for (var i = 0; i < N; i++) { result[i] = i; }