n each iteration; do not accumulate or change state -->

<!-- * Make the outer function idempotent too; the benchmark runner is likely to run -->

<!--   it many times -->

<!-- *  Make the inner `iter` loop short and fast so benchmark runs are fast and the -->

<!--    calibrator can adjust the run-length at fine resolution -->

<!-- * Make the code in the `iter` loop do something simple, to assist in pinpointing -->

<!--   performance improvements (or regressions) -->

<ul>
<li>セットアップのコ�