http2: improve compat performance

This bunch of commits help me improve the performance of a http2
server by 8-10%. The benchmarks reports several 1-2% improvements in
various areas.

PR-URL: https://github.com/nodejs/node/pull/25567
Reviewed-By: Benedikt Meurer <benedikt.meurer@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/benchmark/http2/compat.js b/benchmark/http2/compat.js
new file mode 100644
index 0000000000..5d06ccf317
--- /dev/null
+++ b/benchmark/http2/compat.js
@@ -0,0 +1,35 @@
+'use strict';
+
+const common = require('../common.js');
+const path = require('path');
+const fs = require('fs');
+const file = path.join(path.resolve(__dirname, '../fixtures'), 'alice.html');
+
+const bench = common.createBenchmark(main, {
+  requests: [100, 1000, 5000],
+  streams: [1, 10, 20, 40, 100, 200],
+  clients: [2],
+  benchmarker: ['h2load']
+}, { flags: ['--no-warnings'] });
+
+function main({ requests, streams, clients }) {
+  const http2 = require('http2');
+  const server = http2.createServer();
+  server.on('request', (req, res) => {
+    const out = fs.createReadStream(file);
+    res.setHeader('content-type', 'text/html');
+    out.pipe(res);
+    out.on('error', (err) => {
+      res.destroy();
+    });
+  });
+  server.listen(common.PORT, () => {
+    bench.http({
+      path: '/',
+      requests,
+      maxConcurrentStreams: streams,
+      clients,
+      threads: clients
+    }, () => { server.close(); });
+  });
+}