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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=532854" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:127.0) Gecko/20100101 Firefox/127.0
Browser:
Firefox 127
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
2 years ago
1MB string comparison
123.8M/s
2MB string comparison
96.0M/s
10MB string comparison
13K/s
View exact numbers
Test name
Executions per second
✓
1MB string comparison
123,834,544 Ops/sec
2MB string comparison
95,996,608 Ops/sec
10MB string comparison
13,264 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;