40x faster .toString('hex') (#4237)

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/bench/snippets/buffer-to-string.mjs b/bench/snippets/buffer-to-string.mjs
new file mode 100644
index 000000000..f4a169572
--- /dev/null
+++ b/bench/snippets/buffer-to-string.mjs
@@ -0,0 +1,29 @@
+import { bench, run } from "./runner.mjs";
+import { Buffer } from "node:buffer";
+import crypto from "node:crypto";
+
+const bigBuffer = Buffer.from("hello world".repeat(10000));
+const converted = bigBuffer.toString("base64");
+const uuid = crypto.randomBytes(16);
+
+bench(`Buffer(${bigBuffer.byteLength}).toString('base64')`, () => {
+  return bigBuffer.toString("base64");
+});
+
+bench(`Buffer(${uuid.byteLength}).toString('base64')`, () => {
+  return uuid.toString("base64");
+});
+
+bench(`Buffer(${bigBuffer.byteLength}).toString('hex')`, () => {
+  return bigBuffer.toString("hex");
+});
+
+bench(`Buffer(${uuid.byteLength}).toString('hex')`, () => {
+  return uuid.toString("hex");
+});
+
+bench(`Buffer(${bigBuffer.byteLength}).toString('ascii')`, () => {
+  return bigBuffer.toString("ascii");
+});
+
+await run();