vers">Solvers:</a></h2>
<ul>
<li><strong>iOverlay(Rust)</strong> v1.9.0 (multithreading on/off)</li>
<li><strong>iOverlay(Swift)</strong>  v1.13.0</li>
<li><strong>Clipper2(C++)</strong>  v1.4.0</li>
<li><strong>Boost(C++)</strong>  v1.86.0</li>
</ul>
<h2 id="checkerboard-test"><a class="header" href="#checkerboard-test">Checkerboard Test</a></h2>
<p><img src="overlay/performance/test_0.svg" alt="Checkerboard Test" /></p>
<div class="table-wrapper"><table><thead><tr><th>Squares</th><th>Swift</th><th>Rust (m