feat(bench/deno_common): show ns/op (denoland#9915)

It's simply the inverse of the rate (ops/s), but it's often useful to look at time per op
eugenehp · Mar 28, 2021 · 7c7a62a · 7c7a62a
1 parent b112496
commit 7c7a62a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/cli/bench/deno_common.js b/cli/bench/deno_common.js
@@ -7,9 +7,10 @@ function benchSync(name, n, innerLoop) {
  const t2 = Date.now();
  const dt = (t2 - t1) / 1e3;
  const r = n / dt;
+ const ns = Math.floor(dt / n * 1e9);
  console.log(
  `${name}:${" ".repeat(20 - name.length)}\t` +
- `n = ${n}, dt = ${dt.toFixed(3)}s, r = ${r.toFixed(0)}/s`,
+ `n = ${n}, dt = ${dt.toFixed(3)}s, r = ${r.toFixed(0)}/s, t = ${ns}ns/op`,
  );
 }