-
Notifications
You must be signed in to change notification settings - Fork 29.9k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
benchmark: add benchmark for node -p
PR-URL: #27320 Reviewed-By: James M Snell <[email protected]>
- Loading branch information
1 parent
c2a03d5
commit cfc7bdd
Showing
2 changed files
with
60 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,59 @@ | ||
'use strict'; | ||
const common = require('../common.js'); | ||
const { spawn } = require('child_process'); | ||
|
||
const bench = common.createBenchmark(main, { | ||
dur: [1], | ||
code: ['1', '"string"', 'process.versions', 'process'] | ||
}); | ||
|
||
function spawnProcess(code) { | ||
const cmd = process.execPath || process.argv[0]; | ||
const argv = ['-p', code]; | ||
return spawn(cmd, argv); | ||
} | ||
|
||
function start(state, code, bench, getNode) { | ||
const node = getNode(code); | ||
let stdout = ''; | ||
let stderr = ''; | ||
|
||
node.stdout.on('data', (data) => { | ||
stdout += data; | ||
}); | ||
|
||
node.stderr.on('data', (data) => { | ||
stderr += data; | ||
}); | ||
|
||
node.on('exit', (code) => { | ||
if (code !== 0) { | ||
console.error('------ stdout ------'); | ||
console.error(stdout); | ||
console.error('------ stderr ------'); | ||
console.error(stderr); | ||
throw new Error(`Error during node startup, exit code ${code}`); | ||
} | ||
state.throughput++; | ||
|
||
if (state.go) { | ||
start(state, code, bench, getNode); | ||
} else { | ||
bench.end(state.throughput); | ||
} | ||
}); | ||
} | ||
|
||
function main({ dur, code }) { | ||
const state = { | ||
go: true, | ||
throughput: 0 | ||
}; | ||
|
||
setTimeout(() => { | ||
state.go = false; | ||
}, dur * 1000); | ||
|
||
bench.start(); | ||
start(state, code, bench, spawnProcess); | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters