Files
orca/config/scripts/markdown-note-line-scan-benchmark.mjs
T

82 lines
2.5 KiB
JavaScript

import assert from 'node:assert/strict'
import { execFileSync } from 'node:child_process'
import { readFileSync } from 'node:fs'
import { dirname, resolve } from 'node:path'
import { performance } from 'node:perf_hooks'
import { build } from 'esbuild'
import { buildCounterbalancedSchedule } from './counterbalanced-benchmark-schedule.mjs'
const sourcePath = 'src/renderer/src/lib/markdown-review-notes.ts'
const baseline = process.argv[2] ?? '20ab9950654'
async function load(contents) {
const result = await build({
stdin: { contents, loader: 'ts', resolveDir: dirname(resolve(sourcePath)) },
bundle: true,
platform: 'node',
format: 'esm',
write: false
})
return import(
`data:text/javascript;base64,${Buffer.from(result.outputFiles[0].text).toString('base64')}`
)
}
const before = await load(
execFileSync('git', ['show', `${baseline}:${sourcePath}`], { encoding: 'utf8' })
)
const after = await load(readFileSync(sourcePath, 'utf8'))
const results = []
for (const [name, lineCount, width, count, iterations] of [
['small', 20, 40, 1, 1000],
['long-lines', 1000, 1000, 20, 3],
['many-lines', 20000, 80, 20, 3],
['early-note', 20000, 80, 1, 1000]
]) {
const content = Array.from({ length: lineCount }, (_, i) => `${i}: ${'x'.repeat(width)}`).join(
'\r\n'
)
const notes = Array.from({ length: count }, (_, i) => ({
id: `${i}`,
worktreeId: 'bench',
filePath: 'README.md',
source: 'markdown',
lineNumber: name === 'early-note' ? 2 : lineCount - i,
body: 'Clarify this line',
createdAt: i,
side: 'modified'
}))
assert.equal(
after.formatMarkdownReviewNotes(notes, content),
before.formatMarkdownReviewNotes(notes, content)
)
const arms = { before, after }
const samples = { before: [], after: [] }
function run(arm) {
const start = performance.now()
for (let i = 0; i < iterations; i++) {
arms[arm].formatMarkdownReviewNotes(notes, content)
}
return (performance.now() - start) / iterations
}
for (let i = 0; i < 6; i++) {
run('before')
run('after')
}
for (const pair of buildCounterbalancedSchedule(12, 'before', 'after')) {
for (const arm of pair) {
samples[arm].push(run(arm))
}
}
const median = (xs) => xs.sort((a, b) => a - b)[Math.floor(xs.length / 2)]
results.push({
name,
lineCount,
width,
count,
beforeMs: median(samples.before),
afterMs: median(samples.after)
})
}
console.log(
JSON.stringify({ node: process.version, platform: process.platform, baseline, results }, null, 2)
)