e"><span class="pre">Index</span></code></a> directly determines
its memory usage, disk space usage, and recall. Both <a class="reference internal" href="#voyager.StorageDataType.Float8" title="voyager.StorageDataType.Float8"><code class="xref py py-class docutils literal notranslate"><span class="pre">Float8</span></code></a> and
<a class="reference internal" href="#voyager.StorageDataType.E4M3" title="voyager.StorageDataType.E4M3"><code class="xref py py-class docutils literal notranslate"><span class="pr