 prefer immutable data and thread-local variables. See <a href="../../sys/thread/">Threading and Locking</a> for examples and best practices.</p>
<h2 id="key-features-for-parallel-programming">Key Features for Parallel Programming:</h2>
<ul>
<li><strong>True Parallelism</strong>: Bypass GIL limitations with native threads</li>
<li><strong>Network Parallelism</strong>: Concurrent network operations</li>
<li><strong>Functional Programming</strong>: Map/reduce/filter for data parallelism</li>
<li><strong>Threa