runner() — bun Function Reference

Source Code

bench/copyfile/node.mitata.mjs lines 4–19

function runner(ready) {
  for (let size of [1, 10, 100, 1000, 10000, 100000, 1000000, 10000000]) {
    const rand = new Int32Array(size);
    for (let i = 0; i < size; i++) {
      rand[i] = (Math.random() * 1024 * 1024) | 0;
    }
    const dest = `/tmp/fs-test-copy-file-${((Math.random() * 10000000 + 100) | 0).toString(32)}`;
    const src = `/tmp/fs-test-copy-file-${((Math.random() * 10000000 + 100) | 0).toString(32)}`;
    writeFileSync(src, Buffer.from(rand.buffer), { encoding: "buffer" });
    const { size: fileSize } = statSync(src);
    if (fileSize !== rand.byteLength) {
      throw new Error("size mismatch");
    }
    ready(src, dest, new Uint8Array(rand.buffer));
  }
}