benchmark: add assert.deep[Strict]Equal benchmarks

* Move numbers into configuration
* Add buffer comparison benchmark
* Add assert.deepStrictEqual benchmarks

PR-URL: https://github.com/nodejs/node/pull/11092
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 29 insertions, 14 deletions

diff --git a/benchmark/assert/deepequal-prims-and-objs-big-loop.js b/benchmark/assert/deepequal-prims-and-objs-big-loop.js
index dea084bc98..781c5ad754 100644
--- a/benchmark/assert/deepequal-prims-and-objs-big-loop.js
+++ b/benchmark/assert/deepequal-prims-and-objs-big-loop.js
@@ -1,6 +1,6 @@
 'use strict';
-var common = require('../common.js');
-var assert = require('assert');
+const common = require('../common.js');
+const assert = require('assert');
 
 const primValues = {
   'null': null,
@@ -13,22 +13,37 @@ const primValues = {
   'new-array': new Array([1, 2, 3])
 };
 
-var bench = common.createBenchmark(main, {
+const bench = common.createBenchmark(main, {
   prim: Object.keys(primValues),
-  n: [1e5]
+  n: [1e6],
+  method: ['strict', 'nonstrict']
 });
 
 function main(conf) {
-  var prim = primValues[conf.prim];
-  var n = +conf.n;
-  var x;
+  const prim = primValues[conf.prim];
+  const n = +conf.n;
+  const actual = prim;
+  const expected = prim;
+  var i;
 
-  bench.start();
-
-  for (x = 0; x < n; x++) {
-    // eslint-disable-next-line no-restricted-properties
-    assert.deepEqual(new Array([prim]), new Array([prim]));
+  // Creates new array to avoid loop invariant code motion
+  switch (conf.method) {
+    case 'strict':
+      bench.start();
+      for (i = 0; i < n; ++i) {
+        // eslint-disable-next-line no-restricted-properties
+        assert.deepEqual([actual], [expected]);
+      }
+      bench.end(n);
+      break;
+    case 'nonstrict':
+      bench.start();
+      for (i = 0; i < n; ++i) {
+        assert.deepStrictEqual([actual], [expected]);
+      }
+      bench.end(n);
+      break;
+    default:
+      throw new Error('Unsupported method');
   }
-
-  bench.end(n);
 }