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<div class="section" id="debugging-environment-variables">
<span id="id1"></span><h1>Debugging Environment Variables<a class="headerlink" href="#debugging-environment-variables" title="Permalink to this heading">¶</a></h1>
<table class="docutils colwidths-auto align-default">
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<tr class="row-odd"><th class="head"><p>Variable</p></th>
<th class="head"><p>Description</p></th>
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<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">TORCH_SHOW_CPP_STACKTRACES</span></code></p></td>
<td><p>If set to <code class="docutils literal notranslate"><span class="pre">1</span></code>, makes PyTorch print out a stack trace when it detects a C++ error.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">TORCH_CPP_LOG_LEVEL</span></code></p></td>
<td><p>Set the log level of c10 logging facility (supports both GLOG and c10 loggers). Valid values are <code class="docutils literal notranslate"><span class="pre">INFO</span></code>, <code class="docutils literal notranslate"><span class="pre">WARNING</span></code>, <code class="docutils literal notranslate"><span class="pre">ERROR</span></code>, and <code class="docutils literal notranslate"><span class="pre">FATAL</span></code> or their numerical equivalents <code class="docutils literal notranslate"><span class="pre">0</span></code>, <code class="docutils literal notranslate"><span class="pre">1</span></code>, <code class="docutils literal notranslate"><span class="pre">2</span></code>, and <code class="docutils literal notranslate"><span class="pre">3</span></code>.</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">TORCH_LOGS</span></code></p></td>
<td><p>For a more in depth explanation of this environment variable, see <a class="reference internal" href="logging.html"><span class="doc">torch._logging</span></a>.</p></td>
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