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Run results for:
large string comparison
Worst case large string comparison.
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<iframe src="https://measurethat.net/Embed?id=584760" 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/132.0.0.0 Safari/537.36
Browser:
Chrome 132
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
1MB string comparison
35.6M/s
2MB string comparison
11.4M/s
10MB string comparison
2.9M/s
View exact numbers
Test name
Executions per second
✓
1MB string comparison
35,564,872 Ops/sec
2MB string comparison
11,353,227 Ops/sec
10MB string comparison
2,938,945 Ops/sec
Script Preparation code:
let s1MB = "0123456789".repeat(1000*100); var strings1MB = Array.from(Array(20)).map(o=>s1MB + String.fromCharCode(32+~~(Math.random()*96))) let s2MB = "0123456789".repeat(1000*200); var strings2MB = Array.from(Array(20)).map(o=>s2MB + String.fromCharCode(32+~~(Math.random()*96))) let s10MB = "0123456789".repeat(1000*1000); var strings10MB = Array.from(Array(20)).map(o=>s10MB + String.fromCharCode(32+~~(Math.random()*96)))
Tests:
1MB string comparison
const s1 = strings1MB[~~(strings1MB.length*Math.random())]; const s2 = strings1MB[~~(strings1MB.length*Math.random())]; const b = s1 === s2;
2MB string comparison
const s1 = strings2MB[~~(strings2MB.length*Math.random())]; const s2 = strings2MB[~~(strings2MB.length*Math.random())]; const b = s1 === s2;
10MB string comparison
const s1 = strings10MB[~~(strings10MB.length*Math.random())]; const s2 = strings10MB[~~(strings10MB.length*Math.random())]; const b = s1 === s2;