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<title>කාර්වානා දත්ත කට්ටලය පිළිබඳ යූ-නෙට් පුහුණු කිරීම</title>
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View code on Github</a>
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<a href='#section-0'>#</a>
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<h1><a href="index.html">U-ශුද්ධ</a>පුහුණු</h1>
<p>මෙය <a href="carvana.html">කාර්වානා දත්ත කට්ටලයේ</a> <a href="index.html">යූ-නෙට්</a> ආකෘතියක් පුහුණු කරයි. ඔබට බාගත කිරීමේ උපදෙස් <a href="https://www.kaggle.com/competitions/carvana-image-masking-challenge/data">සොයාගත හැකිය Kaggle</a>. </p>
<p><code class="highlight"><span></span><span class="n">carvana</span><span class="o">/</span><span class="n">train</span></code>
ෆෝල්ඩරය තුළ පුහුණු පින්තූර සහ <code class="highlight"><span></span><span class="n">carvana</span><span class="o">/</span><span class="n">train_masks</span></code>
ෆෝල්ඩරයේ වෙස් මුහුණු සුරකින්න. </p>
<p>සරලබව සඳහා, අපි පුහුණුවක් සහ වලංගු භේදයක් නොකරමු. </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">19</span><span></span><span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
<span class="lineno">20</span><span class="kn">import</span> <span class="nn">torch</span>
<span class="lineno">21</span><span class="kn">import</span> <span class="nn">torch.utils.data</span>
<span class="lineno">22</span><span class="kn">import</span> <span class="nn">torchvision.transforms.functional</span>
<span class="lineno">23</span><span class="kn">from</span> <span class="nn">torch</span> <span class="kn">import</span> <span class="n">nn</span>
<span class="lineno">24</span>
<span class="lineno">25</span><span class="kn">from</span> <span class="nn">labml</span> <span class="kn">import</span> <span class="n">lab</span><span class="p">,</span> <span class="n">tracker</span><span class="p">,</span> <span class="n">experiment</span><span class="p">,</span> <span class="n">monit</span>
<span class="lineno">26</span><span class="kn">from</span> <span class="nn">labml.configs</span> <span class="kn">import</span> <span class="n">BaseConfigs</span>
<span class="lineno">27</span><span class="kn">from</span> <span class="nn">labml_helpers.device</span> <span class="kn">import</span> <span class="n">DeviceConfigs</span>
<span class="lineno">28</span><span class="kn">from</span> <span class="nn">labml_nn.unet.carvana</span> <span class="kn">import</span> <span class="n">CarvanaDataset</span>
<span class="lineno">29</span><span class="kn">from</span> <span class="nn">labml_nn.unet</span> <span class="kn">import</span> <span class="n">UNet</span></pre></div>
</div>
</div>
<div class='section' id='section-1'>
<div class='docs doc-strings'>
<div class='section-link'>
<a href='#section-1'>#</a>
</div>
<h2>වින්යාසකිරීම්</h2>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">32</span><span class="k">class</span> <span class="nc">Configs</span><span class="p">(</span><span class="n">BaseConfigs</span><span class="p">):</span></pre></div>
</div>
</div>
<div class='section' id='section-2'>
<div class='docs'>
<div class='section-link'>
<a href='#section-2'>#</a>
</div>
<p>ආකෘතියපුහුණු කිරීමේ උපකරණය. <a href="https://docs.labml.ai/api/helpers.html#labml_helpers.device.DeviceConfigs"><code class="highlight"><span></span><span class="n">DeviceConfigs</span></code>
</a> ලබා ගත හැකි CUDA උපාංගයක් අහුලනවා හෝ CPU කිරීමට පෙරනිමි. </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">39</span> <span class="n">device</span><span class="p">:</span> <span class="n">torch</span><span class="o">.</span><span class="n">device</span> <span class="o">=</span> <span class="n">DeviceConfigs</span><span class="p">()</span></pre></div>
</div>
</div>
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<div class='section-link'>
<a href='#section-3'>#</a>
</div>
<p><a href="index.html">යූ-නෙට්</a> ආකෘතිය </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">42</span> <span class="n">model</span><span class="p">:</span> <span class="n">UNet</span></pre></div>
</div>
</div>
<div class='section' id='section-4'>
<div class='docs'>
<div class='section-link'>
<a href='#section-4'>#</a>
</div>
<p>රූපයේනාලිකා ගණන. <span ><span class="katex"><span aria-hidden="true" class="katex-html"><span class="base"><span class="strut" style="height:0.64444em;vertical-align:0em;"></span><span class="mord">3</span></span></span></span></span> RGB සඳහා. </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">45</span> <span class="n">image_channels</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">3</span></pre></div>
</div>
</div>
<div class='section' id='section-5'>
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<div class='section-link'>
<a href='#section-5'>#</a>
</div>
<p>නිමැවුම්ආවරණයේ නාලිකා ගණන. <span ><span class="katex"><span aria-hidden="true" class="katex-html"><span class="base"><span class="strut" style="height:0.64444em;vertical-align:0em;"></span><span class="mord">1</span></span></span></span></span> ද්විමය ආවරණ සඳහා. </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">47</span> <span class="n">mask_channels</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">1</span></pre></div>
</div>
</div>
<div class='section' id='section-6'>
<div class='docs'>
<div class='section-link'>
<a href='#section-6'>#</a>
</div>
<p>කණ්ඩායම්ප්රමාණය </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">50</span> <span class="n">batch_size</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">1</span></pre></div>
</div>
</div>
<div class='section' id='section-7'>
<div class='docs'>
<div class='section-link'>
<a href='#section-7'>#</a>
</div>
<p>ඉගෙනුම්අනුපාතය </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">52</span> <span class="n">learning_rate</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">2.5e-4</span></pre></div>
</div>
</div>
<div class='section' id='section-8'>
<div class='docs'>
<div class='section-link'>
<a href='#section-8'>#</a>
</div>
<p>පුහුණුඑපොච් ගණන </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">55</span> <span class="n">epochs</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">4</span></pre></div>
</div>
</div>
<div class='section' id='section-9'>
<div class='docs'>
<div class='section-link'>
<a href='#section-9'>#</a>
</div>
<p>දත්තකට්ටලය </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">58</span> <span class="n">dataset</span><span class="p">:</span> <span class="n">CarvanaDataset</span></pre></div>
</div>
</div>
<div class='section' id='section-10'>
<div class='docs'>
<div class='section-link'>
<a href='#section-10'>#</a>
</div>
<p>දත්තකාරකය </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">60</span> <span class="n">data_loader</span><span class="p">:</span> <span class="n">torch</span><span class="o">.</span><span class="n">utils</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">DataLoader</span></pre></div>
</div>
</div>
<div class='section' id='section-11'>
<div class='docs'>
<div class='section-link'>
<a href='#section-11'>#</a>
</div>
<p>පාඩුශ්රිතය </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">63</span> <span class="n">loss_func</span> <span class="o">=</span> <span class="n">nn</span><span class="o">.</span><span class="n">BCELoss</span><span class="p">()</span></pre></div>
</div>
</div>
<div class='section' id='section-12'>
<div class='docs'>
<div class='section-link'>
<a href='#section-12'>#</a>
</div>
<p>ද්විමයවර්ගීකරණය සඳහා සිග්මෝයිඩ් ශ්රිතය </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">65</span> <span class="n">sigmoid</span> <span class="o">=</span> <span class="n">nn</span><span class="o">.</span><span class="n">Sigmoid</span><span class="p">()</span></pre></div>
</div>
</div>
<div class='section' id='section-13'>
<div class='docs'>
<div class='section-link'>
<a href='#section-13'>#</a>
</div>
<p>ආදම්ප්රශස්තකරණය </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">68</span> <span class="n">optimizer</span><span class="p">:</span> <span class="n">torch</span><span class="o">.</span><span class="n">optim</span><span class="o">.</span><span class="n">Adam</span></pre></div>
</div>
</div>
<div class='section' id='section-14'>
<div class='docs'>
<div class='section-link'>
<a href='#section-14'>#</a>
</div>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">70</span> <span class="k">def</span> <span class="nf">init</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
</div>
</div>
<div class='section' id='section-15'>
<div class='docs'>
<div class='section-link'>
<a href='#section-15'>#</a>
</div>
<p><a href="carvana.html">කාර්වානා දත්ත කට්ටලය</a> ආරම්භ කරන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">72</span> <span class="bp">self</span><span class="o">.</span><span class="n">dataset</span> <span class="o">=</span> <span class="n">CarvanaDataset</span><span class="p">(</span><span class="n">lab</span><span class="o">.</span><span class="n">get_data_path</span><span class="p">()</span> <span class="o">/</span> <span class="s1">&#39;carvana&#39;</span> <span class="o">/</span> <span class="s1">&#39;train&#39;</span><span class="p">,</span>
<span class="lineno">73</span> <span class="n">lab</span><span class="o">.</span><span class="n">get_data_path</span><span class="p">()</span> <span class="o">/</span> <span class="s1">&#39;carvana&#39;</span> <span class="o">/</span> <span class="s1">&#39;train_masks&#39;</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-16'>
<div class='docs'>
<div class='section-link'>
<a href='#section-16'>#</a>
</div>
<p>ආකෘතියආරම්භ කරන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">75</span> <span class="bp">self</span><span class="o">.</span><span class="n">model</span> <span class="o">=</span> <span class="n">UNet</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">image_channels</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">mask_channels</span><span class="p">)</span><span class="o">.</span><span class="n">to</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">device</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-17'>
<div class='docs'>
<div class='section-link'>
<a href='#section-17'>#</a>
</div>
<p>දත්තකාරකය සාදන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">78</span> <span class="bp">self</span><span class="o">.</span><span class="n">data_loader</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">utils</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">DataLoader</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">dataset</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">batch_size</span><span class="p">,</span>
<span class="lineno">79</span> <span class="n">shuffle</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">pin_memory</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-18'>
<div class='docs'>
<div class='section-link'>
<a href='#section-18'>#</a>
</div>
<p>ප්රශස්තකරණයසාදන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">81</span> <span class="bp">self</span><span class="o">.</span><span class="n">optimizer</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">optim</span><span class="o">.</span><span class="n">Adam</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">model</span><span class="o">.</span><span class="n">parameters</span><span class="p">(),</span> <span class="n">lr</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">learning_rate</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-19'>
<div class='docs'>
<div class='section-link'>
<a href='#section-19'>#</a>
</div>
<p>රූපලොග් වීම </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">84</span> <span class="n">tracker</span><span class="o">.</span><span class="n">set_image</span><span class="p">(</span><span class="s2">&quot;sample&quot;</span><span class="p">,</span> <span class="kc">True</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-20'>
<div class='docs doc-strings'>
<div class='section-link'>
<a href='#section-20'>#</a>
</div>
<h3>නියැදිරූප</h3>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">86</span> <span class="nd">@torch</span><span class="o">.</span><span class="n">no_grad</span><span class="p">()</span>
<span class="lineno">87</span> <span class="k">def</span> <span class="nf">sample</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">idx</span><span class="o">=-</span><span class="mi">1</span><span class="p">):</span></pre></div>
</div>
</div>
<div class='section' id='section-21'>
<div class='docs'>
<div class='section-link'>
<a href='#section-21'>#</a>
</div>
<p>අහඹුනියැදියක් ලබා ගන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">93</span> <span class="n">x</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">dataset</span><span class="p">[</span><span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">dataset</span><span class="p">))]</span></pre></div>
</div>
</div>
<div class='section' id='section-22'>
<div class='docs'>
<div class='section-link'>
<a href='#section-22'>#</a>
</div>
<p>උපාංගයවෙත දත්ත ගෙනයන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">95</span> <span class="n">x</span> <span class="o">=</span> <span class="n">x</span><span class="o">.</span><span class="n">to</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">device</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-23'>
<div class='docs'>
<div class='section-link'>
<a href='#section-23'>#</a>
</div>
<p>පුරෝකථනයකළ වෙස් මුහුණ ලබා ගන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">98</span> <span class="n">mask</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sigmoid</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">model</span><span class="p">(</span><span class="n">x</span><span class="p">[</span><span class="kc">None</span><span class="p">,</span> <span class="p">:]))</span></pre></div>
</div>
</div>
<div class='section' id='section-24'>
<div class='docs'>
<div class='section-link'>
<a href='#section-24'>#</a>
</div>
<p>වෙස්මුහුණෙහි ප්රමාණයට රූපය වගා කරන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">100</span> <span class="n">x</span> <span class="o">=</span> <span class="n">torchvision</span><span class="o">.</span><span class="n">transforms</span><span class="o">.</span><span class="n">functional</span><span class="o">.</span><span class="n">center_crop</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="p">[</span><span class="n">mask</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">2</span><span class="p">],</span> <span class="n">mask</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">3</span><span class="p">]])</span></pre></div>
</div>
</div>
<div class='section' id='section-25'>
<div class='docs'>
<div class='section-link'>
<a href='#section-25'>#</a>
</div>
<p>ලොග්සාම්පල </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">102</span> <span class="n">tracker</span><span class="o">.</span><span class="n">save</span><span class="p">(</span><span class="s1">&#39;sample&#39;</span><span class="p">,</span> <span class="n">x</span> <span class="o">*</span> <span class="n">mask</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-26'>
<div class='docs doc-strings'>
<div class='section-link'>
<a href='#section-26'>#</a>
</div>
<h3>කepoch සඳහා දුම්රිය</h3>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">104</span> <span class="k">def</span> <span class="nf">train</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
</div>
</div>
<div class='section' id='section-27'>
<div class='docs'>
<div class='section-link'>
<a href='#section-27'>#</a>
</div>
<p>දත්තකට්ටලය හරහා නැවත කරන්න. එක් <a href="https://docs.labml.ai/api/monit.html#labml.monit.mix"><code class="highlight"><span></span><span class="n">mix</span></code>
</a> <span ><span class="katex"><span aria-hidden="true" class="katex-html"><span class="base"><span class="strut" style="height:0.64444em;vertical-align:0em;"></span><span class="mord">50</span></span></span></span></span> යුගයකට නියැදි වේලාවන් භාවිතා කරන්න. </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">112</span> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="p">(</span><span class="n">image</span><span class="p">,</span> <span class="n">mask</span><span class="p">)</span> <span class="ow">in</span> <span class="n">monit</span><span class="o">.</span><span class="n">mix</span><span class="p">((</span><span class="s1">&#39;Train&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">data_loader</span><span class="p">),</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sample</span><span class="p">,</span> <span class="nb">list</span><span class="p">(</span><span class="nb">range</span><span class="p">(</span><span class="mi">50</span><span class="p">)))):</span></pre></div>
</div>
</div>
<div class='section' id='section-28'>
<div class='docs'>
<div class='section-link'>
<a href='#section-28'>#</a>
</div>
<p>ගෝලීයපියවර වැඩි කිරීම </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">114</span> <span class="n">tracker</span><span class="o">.</span><span class="n">add_global_step</span><span class="p">()</span></pre></div>
</div>
</div>
<div class='section' id='section-29'>
<div class='docs'>
<div class='section-link'>
<a href='#section-29'>#</a>
</div>
<p>උපාංගයවෙත දත්ත ගෙනයන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">116</span> <span class="n">image</span><span class="p">,</span> <span class="n">mask</span> <span class="o">=</span> <span class="n">image</span><span class="o">.</span><span class="n">to</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">device</span><span class="p">),</span> <span class="n">mask</span><span class="o">.</span><span class="n">to</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">device</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-30'>
<div class='docs'>
<div class='section-link'>
<a href='#section-30'>#</a>
</div>
<p>අනුක්රමිකශුන්ය කරන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">119</span> <span class="bp">self</span><span class="o">.</span><span class="n">optimizer</span><span class="o">.</span><span class="n">zero_grad</span><span class="p">()</span></pre></div>
</div>
</div>
<div class='section' id='section-31'>
<div class='docs'>
<div class='section-link'>
<a href='#section-31'>#</a>
</div>
<p>පුරෝකථනයකරන ලද වෙස්මුහුණු පිවිසුම් ලබා ගන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">121</span> <span class="n">logits</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">model</span><span class="p">(</span><span class="n">image</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-32'>
<div class='docs'>
<div class='section-link'>
<a href='#section-32'>#</a>
</div>
<p>ඉලක්කගතවෙස්මුහුණ පිවිසුම් ප්රමාණයට වගා කරන්න. යූ-නෙට් හි සංවලිත ස්ථර වල අපි පෑඩින් භාවිතා නොකරන්නේ නම් පිවිසුම් ප්රමාණය කුඩා වේ. </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">124</span> <span class="n">mask</span> <span class="o">=</span> <span class="n">torchvision</span><span class="o">.</span><span class="n">transforms</span><span class="o">.</span><span class="n">functional</span><span class="o">.</span><span class="n">center_crop</span><span class="p">(</span><span class="n">mask</span><span class="p">,</span> <span class="p">[</span><span class="n">logits</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">2</span><span class="p">],</span> <span class="n">logits</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">3</span><span class="p">]])</span></pre></div>
</div>
</div>
<div class='section' id='section-33'>
<div class='docs'>
<div class='section-link'>
<a href='#section-33'>#</a>
</div>
<p>අලාභයගණනය කරන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">126</span> <span class="n">loss</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">loss_func</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sigmoid</span><span class="p">(</span><span class="n">logits</span><span class="p">),</span> <span class="n">mask</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-34'>
<div class='docs'>
<div class='section-link'>
<a href='#section-34'>#</a>
</div>
<p>අනුක්රමිකගණනය </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">128</span> <span class="n">loss</span><span class="o">.</span><span class="n">backward</span><span class="p">()</span></pre></div>
</div>
</div>
<div class='section' id='section-35'>
<div class='docs'>
<div class='section-link'>
<a href='#section-35'>#</a>
</div>
<p>ප්රශස්තිකරණපියවරක් ගන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">130</span> <span class="bp">self</span><span class="o">.</span><span class="n">optimizer</span><span class="o">.</span><span class="n">step</span><span class="p">()</span></pre></div>
</div>
</div>
<div class='section' id='section-36'>
<div class='docs'>
<div class='section-link'>
<a href='#section-36'>#</a>
</div>
<p>අලාභයලුහුබඳින්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">132</span> <span class="n">tracker</span><span class="o">.</span><span class="n">save</span><span class="p">(</span><span class="s1">&#39;loss&#39;</span><span class="p">,</span> <span class="n">loss</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-37'>
<div class='docs doc-strings'>
<div class='section-link'>
<a href='#section-37'>#</a>
</div>
<h3>පුහුණුලූපය</h3>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">134</span> <span class="k">def</span> <span class="nf">run</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span></pre></div>
</div>
</div>
<div class='section' id='section-38'>
<div class='docs'>
<div class='section-link'>
<a href='#section-38'>#</a>
</div>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">138</span> <span class="k">for</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">monit</span><span class="o">.</span><span class="n">loop</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">epochs</span><span class="p">):</span></pre></div>
</div>
</div>
<div class='section' id='section-39'>
<div class='docs'>
<div class='section-link'>
<a href='#section-39'>#</a>
</div>
<p>ආකෘතියපුහුණු කරන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">140</span> <span class="bp">self</span><span class="o">.</span><span class="n">train</span><span class="p">()</span></pre></div>
</div>
</div>
<div class='section' id='section-40'>
<div class='docs'>
<div class='section-link'>
<a href='#section-40'>#</a>
</div>
<p>කොන්සෝලයේනව රේඛාවක් </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">142</span> <span class="n">tracker</span><span class="o">.</span><span class="n">new_line</span><span class="p">()</span></pre></div>
</div>
</div>
<div class='section' id='section-41'>
<div class='docs'>
<div class='section-link'>
<a href='#section-41'>#</a>
</div>
<p>ආකෘතියසුරකින්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">144</span> <span class="n">experiment</span><span class="o">.</span><span class="n">save_checkpoint</span><span class="p">()</span></pre></div>
</div>
</div>
<div class='section' id='section-42'>
<div class='docs'>
<div class='section-link'>
<a href='#section-42'>#</a>
</div>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">147</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span></pre></div>
</div>
</div>
<div class='section' id='section-43'>
<div class='docs'>
<div class='section-link'>
<a href='#section-43'>#</a>
</div>
<p>අත්හදාබැලීම සාදන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">149</span> <span class="n">experiment</span><span class="o">.</span><span class="n">create</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s1">&#39;unet&#39;</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='section' id='section-44'>
<div class='docs'>
<div class='section-link'>
<a href='#section-44'>#</a>
</div>
<p>වින්යාසයන්සාදන්න </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">152</span> <span class="n">configs</span> <span class="o">=</span> <span class="n">Configs</span><span class="p">()</span></pre></div>
</div>
</div>
<div class='section' id='section-45'>
<div class='docs'>
<div class='section-link'>
<a href='#section-45'>#</a>
</div>
<p>වින්යාසයන්සකසන්න. ශබ්දකෝෂයේ අගයන් සම්මත කිරීමෙන් ඔබට පෙරනිමි අභිබවා යා හැකිය. </p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="lineno">155</span> <span class="n">experiment</span><span class="o">.</span><span class="n">configs</span><span class="p">(</span><span class="n">configs</span><span class="p">,</span> <span class="p">{})</span></pre></div>
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<div class='section' id='section-46'>
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<div class='section-link'>
<a href='#section-46'>#</a>
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<p>ආරම්භකරන්න </p>
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<div class="highlight"><pre><span class="lineno">158</span> <span class="n">configs</span><span class="o">.</span><span class="n">init</span><span class="p">()</span></pre></div>
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<div class='section-link'>
<a href='#section-47'>#</a>
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<p>ඉතිරිකිරීම සහ පැටවීම සඳහා ආකෘති සකසන්න </p>
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<div class="highlight"><pre><span class="lineno">161</span> <span class="n">experiment</span><span class="o">.</span><span class="n">add_pytorch_models</span><span class="p">({</span><span class="s1">&#39;model&#39;</span><span class="p">:</span> <span class="n">configs</span><span class="o">.</span><span class="n">model</span><span class="p">})</span></pre></div>
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<div class='docs'>
<div class='section-link'>
<a href='#section-48'>#</a>
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<p>පුහුණුලූපය ආරම්භ කර ක්රියාත්මක කරන්න </p>
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<div class="highlight"><pre><span class="lineno">164</span> <span class="k">with</span> <span class="n">experiment</span><span class="o">.</span><span class="n">start</span><span class="p">():</span>
<span class="lineno">165</span> <span class="n">configs</span><span class="o">.</span><span class="n">run</span><span class="p">()</span></pre></div>
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<div class='section' id='section-49'>
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<a href='#section-49'>#</a>
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<p> </p>
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<div class="highlight"><pre><span class="lineno">169</span><span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s1">&#39;__main__&#39;</span><span class="p">:</span>
<span class="lineno">170</span> <span class="n">main</span><span class="p">()</span></pre></div>
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