zlib: improve performance

PR-URL: https://github.com/nodejs/node/pull/13322
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/benchmark/zlib/creation.js b/benchmark/zlib/creation.js
new file mode 100644
index 0000000000..a207665bd9
--- /dev/null
+++ b/benchmark/zlib/creation.js
@@ -0,0 +1,32 @@
+'use strict';
+var common = require('../common.js');
+var zlib = require('zlib');
+
+var bench = common.createBenchmark(main, {
+  type: [
+    'Deflate', 'DeflateRaw', 'Inflate', 'InflateRaw', 'Gzip', 'Gunzip', 'Unzip'
+  ],
+  options: ['true', 'false'],
+  n: [5e5]
+});
+
+function main(conf) {
+  var n = +conf.n;
+  var fn = zlib['create' + conf.type];
+  if (typeof fn !== 'function')
+    throw new Error('Invalid zlib type');
+  var i = 0;
+
+  if (conf.options === 'true') {
+    var opts = {};
+    bench.start();
+    for (; i < n; ++i)
+      fn(opts);
+    bench.end(n);
+  } else {
+    bench.start();
+    for (; i < n; ++i)
+      fn();
+    bench.end(n);
+  }
+}