 to the interpreter for unimplemented
operations (you can check for this with the
<a href="running.html#opt_j"><tt>-jv</tt></a> command line option).
The following operations are currently not compiled and may exhibit
suboptimal performance, especially when used in inner loops:
</p>
<ul>
<li>Vector operations.</li>
<li>Table initializers.</li>
<li>Initialization of nested <tt>struct</tt>/<tt>union</tt> types.</li>
<li>Non-default initialization of VLA/VLS or large C&nbsp;types
(&gt; 128&nbsp;bytes or &gt; 1