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| Current File : //proc/thread-self/root/proc/self/root/home/ubuntu/node-v16.18.1/benchmark/http/chunked.js |
// When calling .end(buffer) right away, this triggers a "hot path"
// optimization in http.js, to avoid an extra write call.
//
// However, the overhead of copying a large buffer is higher than
// the overhead of an extra write() call, so the hot path was not
// always as hot as it could be.
//
// Verify that our assumptions are valid.
'use strict';
const common = require('../common.js');
const bench = common.createBenchmark(main, {
n: [1, 4, 8, 16],
len: [1, 64, 256],
c: [100],
duration: 5
});
function main({ len, n, c, duration }) {
const http = require('http');
const chunk = Buffer.alloc(len, '8');
const server = http.createServer((req, res) => {
function send(left) {
if (left === 0) return res.end();
res.write(chunk);
setTimeout(() => {
send(left - 1);
}, 0);
}
send(n);
});
server.listen(common.PORT, () => {
bench.http({
connections: c,
duration
}, () => {
server.close();
});
});
}
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