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Run results for:
sin vs fast sin
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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/18.5 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
10 months ago
Test name
Executions per second
Math.sin
962599.4 Ops/sec
fast sin
1354574.2 Ops/sec
Script Preparation code:
const PI = Math.PI; const TAU = PI * 2; const B = 4 / PI; const C = -4 / TAU; var sin = x => { return (B * x + C * x * ((x < 0) ? -x : x)); };
Tests:
Math.sin
let k = []; for (let i = 0; i < 100; ++i) k.push(Math.sin(i));
fast sin
let k = []; for (let i = 0; i < 100; ++i) k.push(sin(i));