public-ui-kolibri

import { writeFileSync } from 'fs'; import type { TagType } from './types'; export function writeResultFile(results: Map<TagType, number[]>) { function percentile(sorted: number[], p: number): number { const i = Math.floor(sorted.length * p); return sorted[i] ?? sorted[sorted.length - 1]; } function stddev(arr: number[]) { const mean = arr.reduce((a, b) => a + b, 0) / arr.length; const squared = arr.map((x) => (x - mean) ** 2); return Math.sqrt(squared.reduce((a, b) => a + b, 0) / arr.length); } const finalResults = Array.from(results.entries()) .filter(([_, values]) => values.length > 0) .map(([tag, values]) => { values.sort((a, b) => a - b); const mid = Math.floor(values.length / 2); return { name: tag, unit: 'ms', value: values[mid], p95: percentile(values, 0.95), p99: percentile(values, 0.99), min: values[0], max: values[values.length - 1], stddev: stddev(values), }; }); writeFileSync('benchmark-result.json', JSON.stringify(finalResults, null, 2)); }