59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
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import fs from 'fs/promises';
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import { fileURLToPath } from 'url';
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import { execaCommand } from 'execa';
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import { markdownTable } from 'markdown-table';
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import { astroBin } from './_util.js';
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/** @typedef {Record<string, import('../../packages/astro/src/core/config/timer').Stat>} AstroTimerStat */
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/** Default project to run for this benchmark if not specified */
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export const defaultProject = 'memory-default';
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/**
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* @param {URL} projectDir
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* @param {URL} outputFile
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*/
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export async function run(projectDir, outputFile) {
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const root = fileURLToPath(projectDir);
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const outputFilePath = fileURLToPath(outputFile);
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console.log('Building and benchmarking...');
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await execaCommand(`node --expose-gc --max_old_space_size=256 ${astroBin} build`, {
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cwd: root,
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stdio: 'inherit',
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env: {
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ASTRO_TIMER_PATH: outputFilePath,
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},
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});
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console.log('Raw results written to', outputFilePath);
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console.log('Result preview:');
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console.log('='.repeat(10));
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console.log(`#### Memory\n\n`);
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console.log(printResult(JSON.parse(await fs.readFile(outputFilePath, 'utf-8'))));
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console.log('='.repeat(10));
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console.log('Done!');
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}
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/**
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* @param {AstroTimerStat} output
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*/
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function printResult(output) {
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return markdownTable(
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[
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['', 'Elapsed time (s)', 'Memory used (MB)', 'Final memory (MB)'],
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...Object.entries(output).map(([name, stat]) => [
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name,
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(stat.elapsedTime / 1000).toFixed(2),
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(stat.heapUsedChange / 1024 / 1024).toFixed(2),
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(stat.heapUsedTotal / 1024 / 1024).toFixed(2),
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]),
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],
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{
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align: ['l', 'r', 'r', 'r'],
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}
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);
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}
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