[bench] Add an ffi data overhead bench

1 files changed, 33 insertions, 0 deletions

diff --git a/bench/ffi/ffi-data-overhead.js b/bench/ffi/ffi-data-overhead.js
new file mode 100644
index 000000000..3bc2884f4
--- /dev/null
+++ b/bench/ffi/ffi-data-overhead.js
@@ -0,0 +1,33 @@
+import {
+  viewSource,
+  dlopen,
+  CString,
+  ptr,
+  toBuffer,
+  toArrayBuffer,
+  FFIType,
+  callback,
+} from "bun:ffi";
+
+import { bench, group, run } from "mitata";
+
+var buffer = new Uint8Array(32);
+var bufferPtr = ptr(buffer);
+var arrayBuffer = new ArrayBuffer(32);
+bench("ptr(Uint8Array)", () => {
+  return ptr(buffer);
+});
+
+bench("ptr(ArrayBuffer)", () => {
+  return ptr(arrayBuffer);
+});
+
+bench("toBuffer(ptr)", () => {
+  return toBuffer(bufferPtr, 32);
+});
+
+bench("toArrayBuffer(ptr)", () => {
+  return toArrayBuffer(bufferPtr, 32);
+});
+
+await run();