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benchmark: add MessagePort benchmark #31568

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addaleax wants to merge 3 commits into from
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benchmark: add MessagePort benchmark #31568

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e9b6f89
benchmark: add MessagePort benchmark
addaleax Jan 29, 2020
eb4fafd
fixup! benchmark: add MessagePort benchmark
addaleax Jan 29, 2020
80ead91
fixup! fixup! benchmark: add MessagePort benchmark
addaleax Jan 30, 2020
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46 changes: 46 additions & 0 deletions benchmark/worker/messageport.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,46 @@
'use strict';

const common = require('../common.js');
const path = require('path');
const { MessageChannel } = require('worker_threads');
const bench = common.createBenchmark(main, {
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payload: ['string', 'object'],
n: [1e6]
});

function main(conf) {

const n = +conf.n;
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const sends = +conf.sendsPerBroadcast;

let payload;

switch (conf.payload) {
case 'string':
payload = 'hello world!';
break;
case 'object':
payload = { action: 'pewpewpew', powerLevel: 9001 };
break;
default:
throw new Error('Unsupported payload type');
}

const { port1, port2 } = new MessageChannel();

let messages = 0;
port2.onmessage = () => {
if (messages++ === n) {
bench.end(n);
port1.close();
} else {
write();
}
};
bench.start();
write();

function write() {
port1.postMessage(payload);
}
}