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26 lines
675 B
JavaScript
26 lines
675 B
JavaScript
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export function benchSync(name, n, innerLoop) {
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const t1 = Date.now();
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for (let i = 0; i < n; i++) {
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innerLoop(i);
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}
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const t2 = Date.now();
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console.log(benchStats(name, n, t1, t2));
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}
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export async function benchAsync(name, n, innerLoop) {
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const t1 = Date.now();
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for (let i = 0; i < n; i++) {
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await innerLoop(i);
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}
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const t2 = Date.now();
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console.log(benchStats(name, n, t1, t2));
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}
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function benchStats(name, n, t1, t2) {
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const dt = (t2 - t1) / 1e3;
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const r = n / dt;
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const ns = Math.floor(dt / n * 1e9);
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return `${name}:${" ".repeat(20 - name.length)}\t` +
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`n = ${n}, dt = ${dt.toFixed(3)}s, r = ${r.toFixed(0)}/s, t = ${ns}ns/op`;
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}
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