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// 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.
var common = require('../common.js');
var PORT = common.PORT;
var bench = common.createBenchmark(main, {
num: [1, 4, 8, 16],
size: [1, 64, 256],
c: [100]
});
function main(conf) {
http = require('http');
var chunk = new Buffer(conf.size);
chunk.fill('8');
var args = ['-d', '10s', '-t', 8, '-c', conf.c];
var server = http.createServer(function(req, res) {
function send(left) {
if (left === 0) return res.end();
res.write(chunk);
setTimeout(function() {
send(left - 1);
}, 0);
}
send(conf.num);
});
server.listen(common.PORT, function() {
bench.http('/', args, function() {
server.close();
});
});
}