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'use strict';
if (process.argv[2] === 'child') {
const len = +process.argv[3];
const msg = '.'.repeat(len);
const send = () => {
while (process.send(msg));
// Wait: backlog of unsent messages exceeds threshold
setImmediate(send);
};
send();
} else {
const common = require('../common.js');
const bench = common.createBenchmark(main, {
len: [
64, 256, 1024, 4096, 16384, 65536,
65536 << 4, 65536 << 8,
],
dur: [5]
});
const spawn = require('child_process').spawn;
function main({ dur, len }) {
bench.start();
const options = { 'stdio': ['ignore', 1, 2, 'ipc'] };
const child = spawn(process.argv[0],
[process.argv[1], 'child', len], options);
var bytes = 0;
child.on('message', (msg) => { bytes += msg.length; });
setTimeout(() => {
child.kill();
bench.end(bytes);
}, dur * 1000);
}
}
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