processing#1524 added first example benchmark

bench/random.bench.js

@@ -0,0 +1,19 @@
+/* global suite, benchmark */
+let p5Inst;
+
+/**
+ *  Compare the p5 random() function to the native Math.random()
+ */
+suite('p5 random() vs Math.random()', function () {
+  benchmark('p5 random()', function () {
+    return p5Inst.random();
+  });
+
+  benchmark('Math.random()', function () {
+    return Math.random();
+  });
+}, {
+  onStart: function() {
+    p5Inst = new p5();
+  },
+});