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<div class='code'>
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<div class="highlight"><pre><span class="lineno">1</span><span></span><span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">Tuple</span>
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<span class="lineno">2</span>
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<span class="lineno">3</span><span class="kn">import</span> <span class="nn">torch</span>
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<span class="lineno">4</span>
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<span class="lineno">5</span><span class="kn">from</span> <span class="nn">labml</span> <span class="kn">import</span> <span class="n">experiment</span><span class="p">,</span> <span class="n">monit</span>
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<span class="lineno">6</span><span class="kn">from</span> <span class="nn">labml</span> <span class="kn">import</span> <span class="n">logger</span>
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<span class="lineno">7</span><span class="kn">from</span> <span class="nn">labml.logger</span> <span class="kn">import</span> <span class="n">Text</span>
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<span class="lineno">8</span><span class="kn">from</span> <span class="nn">labml_helpers.datasets.text</span> <span class="kn">import</span> <span class="n">TextDataset</span>
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<span class="lineno">9</span><span class="kn">from</span> <span class="nn">labml_nn.sampling</span> <span class="kn">import</span> <span class="n">Sampler</span>
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<span class="lineno">10</span><span class="kn">from</span> <span class="nn">labml_nn.sampling.greedy</span> <span class="kn">import</span> <span class="n">GreedySampler</span>
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<span class="lineno">11</span><span class="kn">from</span> <span class="nn">labml_nn.sampling.nucleus</span> <span class="kn">import</span> <span class="n">NucleusSampler</span>
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<span class="lineno">12</span><span class="kn">from</span> <span class="nn">labml_nn.sampling.temperature</span> <span class="kn">import</span> <span class="n">TemperatureSampler</span>
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<span class="lineno">13</span><span class="kn">from</span> <span class="nn">labml_nn.sampling.top_k</span> <span class="kn">import</span> <span class="n">TopKSampler</span>
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<span class="lineno">14</span><span class="kn">from</span> <span class="nn">labml_nn.transformers.basic.autoregressive_experiment</span> <span class="kn">import</span> <span class="n">Configs</span><span class="p">,</span> <span class="n">AutoregressiveTransformer</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-1'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-1'>#</a>
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</div>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">17</span><span class="k">def</span> <span class="nf">get_model_dataset</span><span class="p">(</span><span class="n">run_uuid</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">Tuple</span><span class="p">[</span><span class="n">AutoregressiveTransformer</span><span class="p">,</span> <span class="n">TextDataset</span><span class="p">]:</span>
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<span class="lineno">18</span> <span class="n">experiment</span><span class="o">.</span><span class="n">evaluate</span><span class="p">()</span>
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<span class="lineno">19</span>
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<span class="lineno">20</span> <span class="n">conf</span> <span class="o">=</span> <span class="n">Configs</span><span class="p">()</span>
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<span class="lineno">21</span>
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<span class="lineno">22</span> <span class="n">experiment</span><span class="o">.</span><span class="n">configs</span><span class="p">(</span><span class="n">conf</span><span class="p">,</span> <span class="n">experiment</span><span class="o">.</span><span class="n">load_configs</span><span class="p">(</span><span class="n">run_uuid</span><span class="p">))</span>
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<span class="lineno">23</span>
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<span class="lineno">24</span> <span class="n">experiment</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="n">run_uuid</span><span class="p">)</span>
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<span class="lineno">25</span>
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<span class="lineno">26</span> <span class="n">experiment</span><span class="o">.</span><span class="n">add_pytorch_models</span><span class="p">({</span><span class="s1">'model'</span><span class="p">:</span> <span class="n">conf</span><span class="o">.</span><span class="n">model</span><span class="p">})</span>
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<span class="lineno">27</span>
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<span class="lineno">28</span> <span class="n">experiment</span><span class="o">.</span><span class="n">start</span><span class="p">()</span>
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<span class="lineno">29</span>
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<span class="lineno">30</span> <span class="k">return</span> <span class="n">conf</span><span class="o">.</span><span class="n">model</span><span class="p">,</span> <span class="n">conf</span><span class="o">.</span><span class="n">text</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-2'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-2'>#</a>
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</div>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">33</span><span class="k">def</span> <span class="nf">sample</span><span class="p">(</span><span class="n">model</span><span class="p">,</span> <span class="n">ds</span><span class="p">,</span> <span class="n">sampler</span><span class="p">:</span> <span class="n">Sampler</span><span class="p">,</span> <span class="n">n_samples</span><span class="p">:</span> <span class="nb">int</span><span class="p">,</span> <span class="n">n_tokens</span><span class="p">:</span> <span class="nb">int</span><span class="p">,</span> <span class="n">seq_len</span><span class="p">:</span> <span class="nb">int</span><span class="p">,</span> <span class="n">prompt</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
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<span class="lineno">34</span> <span class="k">with</span> <span class="n">torch</span><span class="o">.</span><span class="n">no_grad</span><span class="p">():</span>
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<span class="lineno">35</span> <span class="n">data</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">tile</span><span class="p">(</span><span class="n">ds</span><span class="o">.</span><span class="n">text_to_i</span><span class="p">(</span><span class="n">prompt</span><span class="p">)[:,</span> <span class="kc">None</span><span class="p">],</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">n_samples</span><span class="p">))</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-3'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-3'>#</a>
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</div>
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<p>Collect output for printing </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">38</span> <span class="n">logs</span> <span class="o">=</span> <span class="p">[[(</span><span class="n">prompt</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">meta</span><span class="p">)]</span> <span class="k">for</span> <span class="n">_</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">n_samples</span><span class="p">)]</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-4'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-4'>#</a>
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</div>
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<p>Sample 25 tokens </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">40</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">monit</span><span class="o">.</span><span class="n">iterate</span><span class="p">(</span><span class="s1">'Sample'</span><span class="p">,</span> <span class="n">n_tokens</span><span class="p">):</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-5'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-5'>#</a>
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</div>
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<p>Tokenize the prompt </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">42</span> <span class="n">data</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="o">-</span><span class="n">seq_len</span><span class="p">:]</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-6'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-6'>#</a>
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</div>
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<p>Get the model output </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">44</span> <span class="n">logits</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="o">=</span> <span class="n">model</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>
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<span class="lineno">45</span> <span class="n">logits</span> <span class="o">=</span> <span class="n">logits</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-7'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-7'>#</a>
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</div>
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<p>Get the model prediction (greedy) </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">47</span> <span class="n">res</span> <span class="o">=</span> <span class="n">sampler</span><span class="p">(</span><span class="n">logits</span><span class="p">)</span>
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<span class="lineno">48</span> <span class="n">data</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">cat</span><span class="p">([</span><span class="n">data</span><span class="p">,</span> <span class="n">res</span><span class="p">[</span><span class="kc">None</span><span class="p">,</span> <span class="p">:]],</span> <span class="n">dim</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-8'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-8'>#</a>
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</div>
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<p>Add the prediction for logging </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">50</span> <span class="k">for</span> <span class="n">j</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">n_samples</span><span class="p">):</span>
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<span class="lineno">51</span> <span class="n">logs</span><span class="p">[</span><span class="n">j</span><span class="p">]</span> <span class="o">+=</span> <span class="p">[(</span><span class="s1">''</span> <span class="o">+</span> <span class="n">ds</span><span class="o">.</span><span class="n">itos</span><span class="p">[</span><span class="n">res</span><span class="p">[</span><span class="n">j</span><span class="p">]],</span> <span class="n">Text</span><span class="o">.</span><span class="n">value</span><span class="p">)]</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-9'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-9'>#</a>
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</div>
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<p>Print the sampled output </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">54</span> <span class="k">for</span> <span class="n">j</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">n_samples</span><span class="p">):</span>
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<span class="lineno">55</span> <span class="n">logger</span><span class="o">.</span><span class="n">log</span><span class="p">(</span><span class="n">logs</span><span class="p">[</span><span class="n">j</span><span class="p">])</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-10'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-10'>#</a>
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</div>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">58</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
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<span class="lineno">59</span> <span class="n">model</span><span class="p">,</span> <span class="n">ds</span> <span class="o">=</span> <span class="n">get_model_dataset</span><span class="p">(</span><span class="s1">'074d4004cc6b11ecad7a0242ac1c0002'</span><span class="p">)</span>
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<span class="lineno">60</span> <span class="n">model</span><span class="o">.</span><span class="n">eval</span><span class="p">()</span>
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<span class="lineno">61</span>
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<span class="lineno">62</span> <span class="k">with</span> <span class="n">monit</span><span class="o">.</span><span class="n">section</span><span class="p">(</span><span class="s1">'greedy'</span><span class="p">):</span>
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<span class="lineno">63</span> <span class="n">sample</span><span class="p">(</span><span class="n">model</span><span class="p">,</span> <span class="n">ds</span><span class="p">,</span> <span class="n">GreedySampler</span><span class="p">(),</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">32</span><span class="p">,</span> <span class="mi">128</span><span class="p">,</span> <span class="s1">'It is'</span><span class="p">)</span>
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<span class="lineno">64</span>
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<span class="lineno">65</span> <span class="k">with</span> <span class="n">monit</span><span class="o">.</span><span class="n">section</span><span class="p">(</span><span class="s1">'temperature=1.'</span><span class="p">):</span>
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<span class="lineno">66</span> <span class="n">sample</span><span class="p">(</span><span class="n">model</span><span class="p">,</span> <span class="n">ds</span><span class="p">,</span> <span class="n">TemperatureSampler</span><span class="p">(</span><span class="mf">1.</span><span class="p">),</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">32</span><span class="p">,</span> <span class="mi">128</span><span class="p">,</span> <span class="s1">'It is'</span><span class="p">)</span>
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<span class="lineno">67</span> <span class="k">with</span> <span class="n">monit</span><span class="o">.</span><span class="n">section</span><span class="p">(</span><span class="s1">'temperature=.1'</span><span class="p">):</span>
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<span class="lineno">68</span> <span class="n">sample</span><span class="p">(</span><span class="n">model</span><span class="p">,</span> <span class="n">ds</span><span class="p">,</span> <span class="n">TemperatureSampler</span><span class="p">(</span><span class="mf">.1</span><span class="p">),</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">32</span><span class="p">,</span> <span class="mi">128</span><span class="p">,</span> <span class="s1">'It is'</span><span class="p">)</span>
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<span class="lineno">69</span> <span class="k">with</span> <span class="n">monit</span><span class="o">.</span><span class="n">section</span><span class="p">(</span><span class="s1">'temperature=10.'</span><span class="p">):</span>
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<span class="lineno">70</span> <span class="n">sample</span><span class="p">(</span><span class="n">model</span><span class="p">,</span> <span class="n">ds</span><span class="p">,</span> <span class="n">TemperatureSampler</span><span class="p">(</span><span class="mf">10.</span><span class="p">),</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">32</span><span class="p">,</span> <span class="mi">128</span><span class="p">,</span> <span class="s1">'It is'</span><span class="p">)</span>
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<span class="lineno">71</span>
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<span class="lineno">72</span> <span class="k">with</span> <span class="n">monit</span><span class="o">.</span><span class="n">section</span><span class="p">(</span><span class="s1">'top_k=5'</span><span class="p">):</span>
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<span class="lineno">73</span> <span class="n">sample</span><span class="p">(</span><span class="n">model</span><span class="p">,</span> <span class="n">ds</span><span class="p">,</span> <span class="n">TopKSampler</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="n">TemperatureSampler</span><span class="p">(</span><span class="mf">1.</span><span class="p">)),</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">32</span><span class="p">,</span> <span class="mi">128</span><span class="p">,</span> <span class="s1">'It is'</span><span class="p">)</span>
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<span class="lineno">74</span>
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<span class="lineno">75</span> <span class="k">with</span> <span class="n">monit</span><span class="o">.</span><span class="n">section</span><span class="p">(</span><span class="s1">'nucles p=.95'</span><span class="p">):</span>
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|
<span class="lineno">76</span> <span class="n">sample</span><span class="p">(</span><span class="n">model</span><span class="p">,</span> <span class="n">ds</span><span class="p">,</span> <span class="n">NucleusSampler</span><span class="p">(</span><span class="mf">0.95</span><span class="p">,</span> <span class="n">TemperatureSampler</span><span class="p">(</span><span class="mf">1.</span><span class="p">)),</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">32</span><span class="p">,</span> <span class="mi">128</span><span class="p">,</span> <span class="s1">'It is'</span><span class="p">)</span>
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<span class="lineno">77</span> <span class="k">with</span> <span class="n">monit</span><span class="o">.</span><span class="n">section</span><span class="p">(</span><span class="s1">'nucles p=.95'</span><span class="p">):</span>
|
|
<span class="lineno">78</span> <span class="n">sample</span><span class="p">(</span><span class="n">model</span><span class="p">,</span> <span class="n">ds</span><span class="p">,</span> <span class="n">NucleusSampler</span><span class="p">(</span><span class="mf">0.1</span><span class="p">,</span> <span class="n">TemperatureSampler</span><span class="p">(</span><span class="mf">1.</span><span class="p">)),</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">32</span><span class="p">,</span> <span class="mi">128</span><span class="p">,</span> <span class="s1">'It is'</span><span class="p">)</span>
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<span class="lineno">79</span>
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<span class="lineno">80</span>
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<span class="lineno">81</span><span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s1">'__main__'</span><span class="p">:</span>
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<span class="lineno">82</span> <span class="n">main</span><span class="p">()</span></pre></div>
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