From 93833337999c66c7c6888f85ab12fe9d27136e99 Mon Sep 17 00:00:00 2001
From: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Date: Thu, 27 Apr 2023 03:44:23 -0700
Subject: Add microbenchmark

---
 bench/snippets/write-file-huge.mjs | 42 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 bench/snippets/write-file-huge.mjs

(limited to 'bench/snippets/write-file-huge.mjs')

diff --git a/bench/snippets/write-file-huge.mjs b/bench/snippets/write-file-huge.mjs
new file mode 100644
index 000000000..62790c6eb
--- /dev/null
+++ b/bench/snippets/write-file-huge.mjs
@@ -0,0 +1,42 @@
+import { Buffer } from "node:buffer";
+import { writeFile } from "node:fs/promises";
+import { bench, run } from "mitata";
+
+var hugeFile = Buffer.alloc(1024 * 1024 * 64);
+var medFile = Buffer.alloc(1024 * 1024 * 16);
+var humongousFile = Buffer.alloc(1024 * 1024 * 256);
+
+bench(
+  `fs.writeFile ${new Intl.NumberFormat("en-US", {
+    style: "unit",
+    unit: "megabyte",
+    unitDisplay: "narrow",
+  }).format(humongousFile.byteLength / 1024 / 1024)}`,
+  async () => {
+    await writeFile("/tmp/bun.bench-out.humongousFile.txt" + ((Math.random() * 65432) | 0).toString(16), humongousFile);
+  },
+);
+
+bench(
+  `fs.writeFile ${new Intl.NumberFormat("en-US", {
+    style: "unit",
+    unit: "megabyte",
+    unitDisplay: "narrow",
+  }).format(hugeFile.byteLength / 1024 / 1024)}`,
+  async () => {
+    await writeFile("/tmp/bun.bench-out.huge.txt" + ((Math.random() * 65432) | 0).toString(16), hugeFile);
+  },
+);
+
+bench(
+  `fs.writeFile ${new Intl.NumberFormat("en-US", {
+    style: "unit",
+    unit: "megabyte",
+    unitDisplay: "narrow",
+  }).format(medFile.byteLength / 1024 / 1024)}`,
+  async () => {
+    await writeFile("/tmp/bun.bench-out.medium.txt" + ((Math.random() * 65432) | 0).toString(16), medFile);
+  },
+);
+
+await run();
-- 
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