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benchmark: add fs warmup to writefile-promises

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PR-URL: https://github.com/nodejs/node/pull/59215
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
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Bruno Rodrigues 2025-07-29 17:20:48 -03:00 committed by GitHub
parent a93da0a329
commit cd0c5159e6
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GPG Key ID: B5690EEEBB952194
1 changed files with 14 additions and 4 deletions
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18
benchmark/fs/writefile-promises.js
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@ -39,8 +39,17 @@ function main({ encodingType, duration, concurrent, size }) {
let writes = 0; let writes = 0;
let waitConcurrent = 0; let waitConcurrent = 0;
const startedAt = Date.now(); let startedAt = Date.now();
const endAt = startedAt + (duration * 1000); let endAt = startedAt + duration * 1000;
// fs warmup
for (let i = 0; i < concurrent; i++) write();
writes = 0;
waitConcurrent = 0;
startedAt = Date.now();
endAt = startedAt + duration * 1000;
bench.start(); bench.start();
@ -59,7 +68,8 @@ function main({ encodingType, duration, concurrent, size }) {
} }
function write() { function write() {
fs.promises.writeFile(`${filename}-${filesWritten++}`, chunk, encoding) fs.promises
.writeFile(`${filename}-${filesWritten++}`, chunk, encoding)
.then(() => afterWrite()) .then(() => afterWrite())
.catch((err) => afterWrite(err)); .catch((err) => afterWrite(err));
} }
@ -72,7 +82,7 @@ function main({ encodingType, duration, concurrent, size }) {
writes++; writes++;
const benchEnded = Date.now() >= endAt; const benchEnded = Date.now() >= endAt;
if (benchEnded && (++waitConcurrent) === concurrent) { if (benchEnded && ++waitConcurrent === concurrent) {
stop(); stop();
} else if (!benchEnded) { } else if (!benchEnded) {
write(); write();