an> <span class="n">torch</span><span class="o">.</span><span class="n">no_grad</span><span class="p">():</span>
        <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">nruns</span><span class="o">+</span><span class="mi">1</span><span class="p">):</span>
            <span class="n">start_time</span> <span class="o">=</span> <span class="n">time</span><span cl