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<section id="training">
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<span id="dummies-tutorial-training"></span><h1>Training<a class="headerlink" href="#training" title="Permalink to this heading"></a></h1>
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<p>After <a class="reference internal" href="data-preparation.html#dummies-tutorial-data-preparation"><span class="std std-ref">Data Preparation</span></a>, we can start training.</p>
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<p>The command to start the training is quite simple:</p>
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<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="nb">cd</span><span class="w"> </span>/tmp/icefall
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<span class="nb">export</span><span class="w"> </span><span class="nv">PYTHONPATH</span><span class="o">=</span>/tmp/icefall:<span class="nv">$PYTHONPATH</span>
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<span class="nb">cd</span><span class="w"> </span>egs/yesno/ASR
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<span class="c1"># We use CPU for training by setting the following environment variable</span>
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<span class="nb">export</span><span class="w"> </span><span class="nv">CUDA_VISIBLE_DEVICES</span><span class="o">=</span><span class="s2">""</span>
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./tdnn/train.py
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</pre></div>
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<p>That’s it!</p>
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<p>You can find the training logs below:</p>
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<section id="for-the-more-curious">
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<h2>For the more curious<a class="headerlink" href="#for-the-more-curious" title="Permalink to this heading"></a></h2>
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<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>./tdnn/train.py<span class="w"> </span>--help
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</pre></div>
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<p>will print the usage information about <code class="docutils literal notranslate"><span class="pre">./tdnn/train.py</span></code>. For instance, you
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can specify the number of epochs to train and the location to save the training
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results.</p>
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<p>The training text logs are saved in <code class="docutils literal notranslate"><span class="pre">tdnn/exp/log</span></code> while the tensorboard
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logs are in <code class="docutils literal notranslate"><span class="pre">tdnn/exp/tensorboard</span></code>.</p>
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<p>© Copyright 2021, icefall development team.</p>
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