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Run results for:
Math.sqrt(x * x) vs Math.sqrt(x ** 2)
Math.sqrt(x * x) vs Math.sqrt(x ** 2)
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.4 Safari/605.1.15
Browser:
Safari 26
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
21 days ago
Test name
Executions per second
Math.sqrt(x * x)
4898473.5 Ops/sec
Math.sqrt(x ** 2)
5233494.5 Ops/sec
Script Preparation code:
const x = 123.456; const y = 789.123;
Tests:
Math.sqrt(x * x)
Math.sqrt(x * x + y * y); const z = Math.random() Math.sqrt(z * z);
Math.sqrt(x ** 2)
Math.sqrt(x ** 2 + y ** 2); const z = Math.random() Math.sqrt(z ** 2);