<p><span class="h-card" translate="no"><a href="https://mastodon.social/@wingo" class="u-url mention">@<span>wingo</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> i think picobit had a uniform heap allocation size (and type!), which let it use mark/sweep without worrying about fragmentation.</p>