http2: set decodeStrings to false, test

Set writableStream decodeStrings to false to let the
native layer handle converting strings to buffer.

PR-URL: https://github.com/nodejs/node/pull/15140
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Claudio Rodriguez <cjrodr@yahoo.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/benchmark/http2/write.js b/benchmark/http2/write.js
new file mode 100644
index 0000000000..df76794468
--- /dev/null
+++ b/benchmark/http2/write.js
@@ -0,0 +1,28 @@
+'use strict';
+
+const common = require('../common.js');
+const PORT = common.PORT;
+
+var bench = common.createBenchmark(main, {
+  streams: [100, 200, 1000],
+  length: [64 * 1024, 128 * 1024, 256 * 1024, 1024 * 1024],
+}, { flags: ['--expose-http2', '--no-warnings'] });
+
+function main(conf) {
+  const m = +conf.streams;
+  const l = +conf.length;
+  const http2 = require('http2');
+  const server = http2.createServer();
+  server.on('stream', (stream) => {
+    stream.respond();
+    stream.write('ü'.repeat(l));
+    stream.end();
+  });
+  server.listen(PORT, () => {
+    bench.http({
+      path: '/',
+      requests: 10000,
+      maxConcurrentStreams: m,
+    }, () => { server.close(); });
+  });
+}