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View code on Github</a>
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<a href='#section-0'>#</a>
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</div>
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<h1>Utilities and Helpers</h1>
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<ul><li><a href="cache.html">Cache for intermediate activations (for faster inference)</a> </li>
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<li><a href="finetune.html">Tools for finetuning</a> </li>
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<li><a href="trainer.html">Trainer</a> </li>
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<li><a href="text_dataset.html">Text dataset</a></li></ul>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">15</span><span></span><span class="kn">import</span> <span class="nn">typing</span>
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<span class="lineno">16</span><span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">List</span><span class="p">,</span> <span class="n">Optional</span>
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<span class="lineno">17</span>
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<span class="lineno">18</span><span class="kn">import</span> <span class="nn">torch</span>
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<span class="lineno">19</span>
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<span class="lineno">20</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">21</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">22</span><span class="kn">from</span> <span class="nn">labml_nn.neox.tokenizer</span> <span class="kn">import</span> <span class="n">get_tokenizer</span>
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<span class="lineno">23</span>
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<span class="lineno">24</span><span class="k">if</span> <span class="n">typing</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
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<span class="lineno">25</span> <span class="kn">from</span> <span class="nn">tokenizers</span> <span class="kn">import</span> <span class="n">Tokenizer</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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<p>Tokenizer singleton </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">28</span><span class="n">_TOKENIZER</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="s1">'Tokenizer'</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></pre></div>
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<div class='section' id='section-2'>
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<div class='docs doc-strings'>
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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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<h3>Get token ids</h3>
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<ul><li><code class="highlight"><span></span><span class="n">text</span></code>
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is the text to tokenize </li>
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<p><em>Returns</em> the token ids</p></ul>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">31</span><span class="k">def</span> <span class="nf">get_tokens</span><span class="p">(</span><span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">List</span><span class="p">[</span><span class="nb">int</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 class='code'>
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<div class="highlight"><pre><span class="lineno">38</span> <span class="k">global</span> <span class="n">_TOKENIZER</span>
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<span class="lineno">39</span> <span class="k">if</span> <span class="n">_TOKENIZER</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
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<span class="lineno">40</span> <span class="n">_TOKENIZER</span> <span class="o">=</span> <span class="n">get_tokenizer</span><span class="p">()</span>
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<span class="lineno">41</span> <span class="k">return</span> <span class="n">_TOKENIZER</span><span class="o">.</span><span class="n">encode_batch</span><span class="p">([</span><span class="n">text</span><span class="p">])[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">ids</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 doc-strings'>
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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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<h3>Print tokens from model outputs</h3>
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<p>Pretty prints target tokens along side outputs from the model(s).</p>
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<ul><li><code class="highlight"><span></span><span class="n">ids</span></code>
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are the target token ids </li>
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<li><code class="highlight"><span></span><span class="n">xs</span></code>
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are the model(s) outputs</li></ul>
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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="k">def</span> <span class="nf">print_token_outputs</span><span class="p">(</span><span class="n">ids</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="nb">int</span><span class="p">],</span> <span class="o">*</span><span class="n">xs</span><span class="p">:</span> <span class="n">torch</span><span class="o">.</span><span class="n">Tensor</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 class='code'>
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<div class="highlight"><pre><span class="lineno">53</span> <span class="n">ids</span> <span class="o">=</span> <span class="n">ids</span> <span class="o">+</span> <span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span>
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<span class="lineno">54</span> <span class="n">xs</span> <span class="o">=</span> <span class="p">[[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="o">+</span> <span class="n">x</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">max</span><span class="p">(</span><span class="n">dim</span><span class="o">=-</span><span class="mi">1</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">tolist</span><span class="p">()</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">xs</span><span class="p">]</span>
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<span class="lineno">55</span>
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<span class="lineno">56</span> <span class="n">print_tokens</span><span class="p">(</span><span class="n">ids</span><span class="p">,</span> <span class="n">xs</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 doc-strings'>
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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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<h3>Print tokens</h3>
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<p>Pretty prints tokens for comparison</p>
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<ul><li><code class="highlight"><span></span><span class="n">target</span></code>
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are the target token ids </li>
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<li><code class="highlight"><span></span><span class="n">others</span></code>
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are the sampled outputs from the model(s)</li></ul>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">59</span><span class="k">def</span> <span class="nf">print_tokens</span><span class="p">(</span><span class="n">target</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="nb">int</span><span class="p">],</span> <span class="n">others</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="n">List</span><span class="p">[</span><span class="nb">int</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>Load tokenizer </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">70</span> <span class="k">global</span> <span class="n">_TOKENIZER</span>
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<span class="lineno">71</span> <span class="k">if</span> <span class="n">_TOKENIZER</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
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<span class="lineno">72</span> <span class="n">_TOKENIZER</span> <span class="o">=</span> <span class="n">get_tokenizer</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>Convert the tokens to list of strings </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">75</span> <span class="n">text</span> <span class="o">=</span> <span class="p">[]</span>
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<span class="lineno">76</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">target</span><span class="p">)):</span>
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<span class="lineno">77</span> <span class="n">tokens</span> <span class="o">=</span> <span class="p">[</span><span class="n">_TOKENIZER</span><span class="o">.</span><span class="n">decode</span><span class="p">([</span><span class="n">target</span><span class="p">[</span><span class="n">i</span><span class="p">]])</span> <span class="k">if</span> <span class="n">target</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">!=</span> <span class="o">-</span><span class="mi">1</span> <span class="k">else</span> <span class="s1">'---'</span><span class="p">]</span>
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<span class="lineno">78</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="nb">len</span><span class="p">(</span><span class="n">others</span><span class="p">)):</span>
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<span class="lineno">79</span> <span class="n">tokens</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">_TOKENIZER</span><span class="o">.</span><span class="n">decode</span><span class="p">([</span><span class="n">others</span><span class="p">[</span><span class="n">j</span><span class="p">][</span><span class="n">i</span><span class="p">]])</span> <span class="k">if</span> <span class="n">others</span><span class="p">[</span><span class="n">j</span><span class="p">][</span><span class="n">i</span><span class="p">]</span> <span class="o">!=</span> <span class="o">-</span><span class="mi">1</span> <span class="k">else</span> <span class="s1">'---'</span><span class="p">)</span>
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<span class="lineno">80</span>
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<span class="lineno">81</span> <span class="n">text</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="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-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>Stats </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">84</span> <span class="n">correct</span> <span class="o">=</span> <span class="p">[</span><span class="mi">0</span> <span class="k">for</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">others</span><span class="p">]</span>
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<span class="lineno">85</span> <span class="n">total</span> <span class="o">=</span> <span class="mi">0</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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<p>Iterate through 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">88</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">target</span><span class="p">)):</span>
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<span class="lineno">89</span> <span class="n">parts</span> <span class="o">=</span> <span class="p">[(</span><span class="sa">f</span><span class="s1">'</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s1">: '</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">meta</span><span class="p">)]</span>
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<span class="lineno">90</span> <span class="n">parts</span> <span class="o">+=</span> <span class="p">[(</span><span class="s1">'"'</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="p">(</span><span class="n">text</span><span class="p">[</span><span class="n">i</span><span class="p">][</span><span class="mi">0</span><span class="p">],</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="p">(</span><span class="s1">'"'</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="s1">'</span><span class="se">\t</span><span class="s1">'</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-11'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-11'>#</a>
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</div>
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<p>Empty target </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">93</span> <span class="k">if</span> <span class="n">target</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span><span class="p">:</span>
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<span class="lineno">94</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="nb">len</span><span class="p">(</span><span class="n">others</span><span class="p">)):</span>
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<span class="lineno">95</span> <span class="n">parts</span> <span class="o">+=</span> <span class="p">[(</span><span class="s1">'"'</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="p">(</span><span class="n">text</span><span class="p">[</span><span class="n">i</span><span class="p">][</span><span class="n">j</span> <span class="o">+</span> <span class="mi">1</span><span class="p">],</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="p">(</span><span class="s1">'"'</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="s1">'</span><span class="se">\t</span><span class="s1">'</span><span class="p">]</span>
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<span class="lineno">96</span>
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<span class="lineno">97</span> <span class="n">logger</span><span class="o">.</span><span class="n">log</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span>
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<span class="lineno">98</span> <span class="k">continue</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-12'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-12'>#</a>
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</div>
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<p>Number of 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">101</span> <span class="n">total</span> <span class="o">+=</span> <span class="mi">1</span></pre></div>
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</div>
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</div>
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<div class='section' id='section-13'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-13'>#</a>
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</div>
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<p>Other outputs </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">104</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="nb">len</span><span class="p">(</span><span class="n">others</span><span class="p">)):</span>
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<span class="lineno">105</span> <span class="n">correct</span><span class="p">[</span><span class="n">j</span><span class="p">]</span> <span class="o">+=</span> <span class="mi">1</span> <span class="k">if</span> <span class="n">others</span><span class="p">[</span><span class="n">j</span><span class="p">][</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="n">target</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="k">else</span> <span class="mi">0</span>
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<span class="lineno">106</span>
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<span class="lineno">107</span> <span class="n">parts</span> <span class="o">+=</span> <span class="p">[(</span><span class="s1">'"'</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span>
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<span class="lineno">108</span> <span class="p">(</span><span class="n">text</span><span class="p">[</span><span class="n">i</span><span class="p">][</span><span class="n">j</span> <span class="o">+</span> <span class="mi">1</span><span class="p">],</span> <span class="n">Text</span><span class="o">.</span><span class="n">success</span> <span class="k">if</span> <span class="n">others</span><span class="p">[</span><span class="n">j</span><span class="p">][</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="n">target</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="k">else</span> <span class="n">Text</span><span class="o">.</span><span class="n">danger</span><span class="p">),</span>
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<span class="lineno">109</span> <span class="p">(</span><span class="s1">'"'</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="s1">'</span><span class="se">\t</span><span class="s1">'</span><span class="p">]</span>
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<span class="lineno">110</span>
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<span class="lineno">111</span> <span class="n">logger</span><span class="o">.</span><span class="n">log</span><span class="p">(</span><span class="n">parts</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-14'>
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<div class='docs'>
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<div class='section-link'>
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<a href='#section-14'>#</a>
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</div>
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<p>Stats </p>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">114</span> <span class="n">parts</span> <span class="o">=</span> <span class="p">[(</span><span class="sa">f</span><span class="s1">'</span><span class="si">{</span><span class="n">total</span><span class="si">}</span><span class="s1">'</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">highlight</span><span class="p">),</span> <span class="s1">'</span><span class="se">\t</span><span class="s1">'</span><span class="p">]</span>
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<span class="lineno">115</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="nb">len</span><span class="p">(</span><span class="n">others</span><span class="p">)):</span>
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<span class="lineno">116</span> <span class="n">parts</span> <span class="o">+=</span> <span class="p">[(</span><span class="sa">f</span><span class="s1">'</span><span class="si">{</span><span class="n">correct</span><span class="p">[</span><span class="n">j</span><span class="p">]</span><span class="si">}</span><span class="s1">'</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">value</span><span class="p">),</span> <span class="s1">'</span><span class="se">\t</span><span class="s1">'</span><span class="p">]</span>
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<span class="lineno">117</span> <span class="n">logger</span><span class="o">.</span><span class="n">log</span><span class="p">(</span><span class="n">parts</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-15'>
|
|
<div class='docs doc-strings'>
|
|
<div class='section-link'>
|
|
<a href='#section-15'>#</a>
|
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</div>
|
|
<h3>Balance layers</h3>
|
|
<p>Split the <code class="highlight"><span></span><span class="n">n_layers</span></code>
|
|
into <code class="highlight"><span></span><span class="n">n_chunks</span></code>
|
|
. This is used for pipeline parallel training.</p>
|
|
<ul><li><code class="highlight"><span></span><span class="n">n_layers</span></code>
|
|
is the number of layers </li>
|
|
<li><code class="highlight"><span></span><span class="n">n_chunks</span></code>
|
|
is the number of chunks </li>
|
|
<p><em>Returns</em> returns a list with the number of layers for each chunk</p></ul>
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|
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|
</div>
|
|
<div class='code'>
|
|
<div class="highlight"><pre><span class="lineno">120</span><span class="k">def</span> <span class="nf">balance_layers_simple</span><span class="p">(</span><span class="n">n_layers</span><span class="p">:</span> <span class="nb">int</span><span class="p">,</span> <span class="n">n_chunks</span><span class="p">:</span> <span class="nb">int</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-16'>
|
|
<div class='docs'>
|
|
<div class='section-link'>
|
|
<a href='#section-16'>#</a>
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</div>
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</div>
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|
<div class='code'>
|
|
<div class="highlight"><pre><span class="lineno">130</span> <span class="n">balance</span> <span class="o">=</span> <span class="p">[]</span>
|
|
<span class="lineno">131</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">n_chunks</span><span class="p">):</span>
|
|
<span class="lineno">132</span> <span class="n">balance</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">n_layers</span> <span class="o">-</span> <span class="nb">sum</span><span class="p">(</span><span class="n">balance</span><span class="p">))</span> <span class="o">//</span> <span class="p">(</span><span class="n">n_chunks</span> <span class="o">-</span> <span class="n">i</span><span class="p">))</span>
|
|
<span class="lineno">133</span>
|
|
<span class="lineno">134</span> <span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="nb">reversed</span><span class="p">(</span><span class="n">balance</span><span class="p">))</span></pre></div>
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