Upload Kmake

benchmark/streams/writable-uint8array.js

@@ -0,0 +1,51 @@
+'use strict';
+const common = require('../common.js');
+const { Writable } = require('stream');
+
+const bench = common.createBenchmark(main, {
+  n: [50e6],
+  kind: ['write', 'object-mode', 'writev'],
+});
+const ABC = new Uint8Array([0x41, 0x42, 0x43]);
+
+function main({ n, kind }) {
+  switch (kind) {
+    case 'write': {
+      bench.start();
+      const wr = new Writable({
+        write(chunk, encoding, cb) {
+          cb();
+        },
+      });
+      for (let i = 0; i < n; ++i) wr.write(ABC);
+      bench.end(n);
+      break;
+    }
+
+    case 'object-mode': {
+      bench.start();
+      const wr = new Writable({
+        objectMode: true,
+        write(chunk, encoding, cb) {
+          cb();
+        },
+      });
+      for (let i = 0; i < n; ++i) wr.write(ABC);
+      bench.end(n);
+      break;
+    }
+    case 'writev': {
+      bench.start();
+      const wr = new Writable({
+        writev(chunks, cb) {
+          cb();
+        },
+      });
+      for (let i = 0; i < n; ++i) wr.write(ABC);
+      bench.end(n);
+      break;
+    }
+    default:
+      throw new Error('Invalid kind');
+  }
+}