<p><span class="h-card" translate="no"><a href="https://types.pl/@edwinb" class="u-url mention">@<span>edwinb</span></a></span> <span class="h-card" translate="no"><a href="https://types.pl/@pigworker" class="u-url mention">@<span>pigworker</span></a></span> <span class="h-card" translate="no"><a href="https://types.pl/@JacquesC2" class="u-url mention">@<span>JacquesC2</span></a></span> Implementing a lot of fancy optimizations, and then seeing how much slower you are than GMP is a sobering experience. See <a href="https://github.com/racket/racket/pull/3748" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://</span><span class="ellipsis">github.com/racket/racket/pull/</span><span class="invisible">3748</span></a> for an example.</p>