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<div class="section" id="ipython-parallel-quickstart">

<span id="ipyparallel-quickstart"></span><h1>IPython Parallel Quickstart<a class="headerlink" href="#ipython-parallel-quickstart" title="Permalink to this headline"></a></h1>

<p>Aside from its <a class="reference external" href="https://ipyparallel.readthedocs.io/en/latest/">official documentation</a> the following steps will get you quickly started with IPython Parallel.</p>

<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ pip install ipyparallel

<p>To start 1 controller and 4 engines:</p>

<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ipcluster start -n <span class="m">4</span>

<p>At this point you can interact with the cluster via IPython.</p>

<div class="highlight-Ipython notranslate"><div class="highlight"><pre><span></span><span class="n">In</span> <span class="p">[</span><span class="mi">1</span><span class="p">]:</span> <span class="kn">import</span> <span class="nn">ipyparallel</span> <span class="k">as</span> <span class="nn">ipp</span>

<span class="n">In</span> <span class="p">[</span><span class="mi">2</span><span class="p">]:</span> <span class="n">c</span> <span class="o">=</span> <span class="n">ipp</span><span class="o">.</span><span class="n">Client</span><span class="p">()</span>

<span class="n">In</span> <span class="p">[</span><span class="mi">3</span><span class="p">]:</span> <span class="n">c</span><span class="o">.</span><span class="n">ids</span>

<span class="n">Out</span><span class="p">[</span><span class="mi">3</span><span class="p">]:</span> <span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">]</span>

<span class="n">In</span> <span class="p">[</span><span class="mi">4</span><span class="p">]:</span> <span class="n">c</span><span class="p">[:]</span><span class="o">.</span><span class="n">apply_sync</span><span class="p">(</span><span class="k">lambda</span> <span class="p">:</span> <span class="s2">&quot;Hello, World&quot;</span><span class="p">)</span>

<span class="n">Out</span><span class="p">[</span><span class="mi">4</span><span class="p">]:</span> <span class="p">[</span> <span class="s1">&#39;Hello, World&#39;</span><span class="p">,</span> <span class="s1">&#39;Hello, World&#39;</span><span class="p">,</span> <span class="s1">&#39;Hello, World&#39;</span><span class="p">,</span> <span class="s1">&#39;Hello, World&#39;</span> <span class="p">]</span>

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