an class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/torch_tensorrt/ptq.html#CacheCalibrator"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#id1" title="Permalink to this definition">¶</a></dt>
<dd><p>Constructs a calibrator class in TensorRT which directly uses pre-existing cache file for calibration.
:param cache_file: path to cache fil