crypto: add buffering to randomInt

PR-URL: https://github.com/nodejs/node/pull/35110
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/benchmark/crypto/randomInt.js b/benchmark/crypto/randomInt.js
new file mode 100644
index 00000000000..1f1dfa0160f
--- /dev/null
+++ b/benchmark/crypto/randomInt.js
@@ -0,0 +1,38 @@
+'use strict';
+
+const common = require('../common.js');
+const { randomInt } = require('crypto');
+
+const bench = common.createBenchmark(main, {
+  mode: ['sync', 'async-sequential', 'async-parallel'],
+  min: [-(2 ** 47) + 1, -10_000, -100],
+  max: [100, 10_000, 2 ** 47],
+  n: [1e3, 1e5]
+});
+
+function main({ mode, min, max, n }) {
+  if (mode === 'sync') {
+    bench.start();
+    for (let i = 0; i < n; i++)
+      randomInt(min, max);
+    bench.end(n);
+  } else if (mode === 'async-sequential') {
+    bench.start();
+    (function next(i) {
+      if (i === n)
+        return bench.end(n);
+      randomInt(min, max, () => {
+        next(i + 1);
+      });
+    })(0);
+  } else {
+    bench.start();
+    let done = 0;
+    for (let i = 0; i < n; i++) {
+      randomInt(min, max, () => {
+        if (++done === n)
+          bench.end(n);
+      });
+    }
+  }
+}