o be called before the analysis (currently not available)</span>
        <span class="keyword">function</span> startParallel(~,drv)
            p = gcp(<span class="string">'nocreate'</span>);
            <span class="keyword">if</span> (drv.parallel)
                max_workers = parcluster(<span class="string">'local'</span>).NumWorkers;
                <span class="keyword">if</span> (drv.workers &gt; max_workers)
                    drv.workers = max_workers;
                    warning(<span class="str