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improve example benchmark

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This commit is contained in:
Rasmus Andersson 2021-06-30 19:27:00 -07:00
parent 2938af6f0b
commit 571f5ceb09
1 changed files with 17 additions and 3 deletions
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20
example/example.js
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@ -18,18 +18,32 @@ console.log(fs.readFileSync(outfile, "utf8"))
// mini benchmark // mini benchmark
if (process.argv.includes("-bench")) { if (process.argv.includes("-bench")) {
console.log("benchmark start (sampling ~2s of data)") benchmark("bytes", {
bytes: true,
})
benchmark("bytes + onCodeBlock", {
bytes: true,
onCodeBlock(lang, body) {
return null // causes the body to be HTML-escaped & included as is
},
})
}
function benchmark(name, options) {
console.log(`benchmark start ${name} (sampling ~2s of data)`)
const timeStart = Date.now() const timeStart = Date.now()
const N = 1000, T = 2000 const N = 1000, T = 2000
let ntotal = 0 let ntotal = 0
while (Date.now() - timeStart < 2000) { while (Date.now() - timeStart < 2000) {
for (let i = 0; i < N; i++) { for (let i = 0; i < N; i++) {
global["dont-optimize-away"] = md.parse(source, { bytes: true }) global["dont-optimize-away"] = md.parse(source, options)
} }
ntotal += N ntotal += N
} }
const timeSpent = Date.now() - timeStart const timeSpent = Date.now() - timeStart
console.log(`benchmark end -- avg parse time: ${((timeSpent / ntotal) * 1000).toFixed(1)}us`) console.log(
`benchmark end ${name} -- avg parse time: ` +
`${((timeSpent / ntotal) * 1000).toFixed(1)}us`)
} }
function html_escape(str) { function html_escape(str) {