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<li class="toctree-l1"><a class="reference internal" href="notes/amp_examples.html">Automatic Mixed Precision examples</a></li>
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<div class="section" id="torch-utils-model-zoo">
<h1>torch.utils.model_zoo<a class="headerlink" href="#torch-utils-model-zoo" title="Permalink to this headline">¶</a></h1>
<p>Moved to <cite>torch.hub</cite>.</p>
<span class="target" id="module-torch.utils.model_zoo"></span><dl class="py function">
<dt id="torch.utils.model_zoo.load_url">
<code class="sig-prename descclassname"><span class="pre">torch.utils.model_zoo.</span></code><code class="sig-name descname"><span class="pre">load_url</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">url</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">model_dir</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">map_location</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">progress</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">check_hash</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">file_name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#torch.utils.model_zoo.load_url" title="Permalink to this definition">¶</a></dt>
<dd><p>Loads the Torch serialized object at the given URL.</p>
<p>If downloaded file is a zip file, it will be automatically
decompressed.</p>
<p>If the object is already present in <cite>model_dir</cite>, it’s deserialized and
returned.
The default value of <code class="docutils literal notranslate"><span class="pre">model_dir</span></code> is <code class="docutils literal notranslate"><span class="pre"><hub_dir>/checkpoints</span></code> where
<code class="docutils literal notranslate"><span class="pre">hub_dir</span></code> is the directory returned by <a class="reference internal" href="hub.html#torch.hub.get_dir" title="torch.hub.get_dir"><code class="xref py py-func docutils literal notranslate"><span class="pre">get_dir()</span></code></a>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>url</strong> (<em>string</em>) – URL of the object to download</p></li>
<li><p><strong>model_dir</strong> (<em>string</em><em>, </em><em>optional</em>) – directory in which to save the object</p></li>
<li><p><strong>map_location</strong> (<em>optional</em>) – a function or a dict specifying how to remap storage locations (see torch.load)</p></li>
<li><p><strong>progress</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.10)"><em>bool</em></a><em>, </em><em>optional</em>) – whether or not to display a progress bar to stderr.
Default: True</p></li>
<li><p><strong>check_hash</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.10)"><em>bool</em></a><em>, </em><em>optional</em>) – If True, the filename part of the URL should follow the naming convention
<code class="docutils literal notranslate"><span class="pre">filename-<sha256>.ext</span></code> where <code class="docutils literal notranslate"><span class="pre"><sha256></span></code> is the first eight or more
digits of the SHA256 hash of the contents of the file. The hash is used to
ensure unique names and to verify the contents of the file.
Default: False</p></li>
<li><p><strong>file_name</strong> (<em>string</em><em>, </em><em>optional</em>) – name for the downloaded file. Filename from <code class="docutils literal notranslate"><span class="pre">url</span></code> will be used if not set.</p></li>
</ul>
</dd>
</dl>
<p class="rubric">Example</p>
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">state_dict</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">hub</span><span class="o">.</span><span class="n">load_state_dict_from_url</span><span class="p">(</span><span class="s1">'https://s3.amazonaws.com/pytorch/models/resnet18-5c106cde.pth'</span><span class="p">)</span>
</pre></div>
</div>
</dd></dl>
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