mirror of
				https://github.com/labmlai/annotated_deep_learning_paper_implementations.git
				synced 2025-11-01 03:43:09 +08:00 
			
		
		
		
	
		
			
				
	
	
		
			413 lines
		
	
	
		
			33 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
			
		
		
	
	
			413 lines
		
	
	
		
			33 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
| <!DOCTYPE html>
 | |
| <html>
 | |
| <head>
 | |
|     <meta http-equiv="content-type" content="text/html;charset=utf-8"/>
 | |
|     <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
 | |
|     <meta name="description" content="This implements a configurable module for optimizers."/>
 | |
| 
 | |
|     <meta name="twitter:card" content="summary"/>
 | |
|     <meta name="twitter:image:src" content="https://avatars1.githubusercontent.com/u/64068543?s=400&v=4"/>
 | |
|     <meta name="twitter:title" content="Configurable optimizer module"/>
 | |
|     <meta name="twitter:description" content="This implements a configurable module for optimizers."/>
 | |
|     <meta name="twitter:site" content="@labmlai"/>
 | |
|     <meta name="twitter:creator" content="@labmlai"/>
 | |
| 
 | |
|     <meta property="og:url" content="https://nn.labml.ai/optimizers/configs.html"/>
 | |
|     <meta property="og:title" content="Configurable optimizer module"/>
 | |
|     <meta property="og:image" content="https://avatars1.githubusercontent.com/u/64068543?s=400&v=4"/>
 | |
|     <meta property="og:site_name" content="LabML Neural Networks"/>
 | |
|     <meta property="og:type" content="object"/>
 | |
|     <meta property="og:title" content="Configurable optimizer module"/>
 | |
|     <meta property="og:description" content="This implements a configurable module for optimizers."/>
 | |
| 
 | |
|     <title>Configurable optimizer module</title>
 | |
|     <link rel="shortcut icon" href="/icon.png"/>
 | |
|     <link rel="stylesheet" href="../pylit.css">
 | |
|     <link rel="canonical" href="https://nn.labml.ai/optimizers/configs.html"/>
 | |
|     <!-- Global site tag (gtag.js) - Google Analytics -->
 | |
|     <script async src="https://www.googletagmanager.com/gtag/js?id=G-4V3HC8HBLH"></script>
 | |
|     <script>
 | |
|         window.dataLayer = window.dataLayer || [];
 | |
| 
 | |
|         function gtag() {
 | |
|             dataLayer.push(arguments);
 | |
|         }
 | |
| 
 | |
|         gtag('js', new Date());
 | |
| 
 | |
|         gtag('config', 'G-4V3HC8HBLH');
 | |
|     </script>
 | |
| </head>
 | |
| <body>
 | |
| <div id='container'>
 | |
|     <div id="background"></div>
 | |
|     <div class='section'>
 | |
|         <div class='docs'>
 | |
|             <p>
 | |
|                 <a class="parent" href="/">home</a>
 | |
|                 <a class="parent" href="index.html">optimizers</a>
 | |
|             </p>
 | |
|             <p>
 | |
| 
 | |
|                 <a href="https://github.com/lab-ml/labml_nn/tree/master/labml_nn/optimizers/configs.py">
 | |
|                     <img alt="Github"
 | |
|                          src="https://img.shields.io/github/stars/lab-ml/nn?style=social"
 | |
|                          style="max-width:100%;"/></a>
 | |
|                 <a href="https://join.slack.com/t/labforml/shared_invite/zt-egj9zvq9-Dl3hhZqobexgT7aVKnD14g/"
 | |
|                    rel="nofollow">
 | |
|                     <img alt="Join Slact"
 | |
|                          src="https://img.shields.io/badge/slack-chat-green.svg?logo=slack"
 | |
|                          style="max-width:100%;"/></a>
 | |
|                 <a href="https://twitter.com/labmlai"
 | |
|                    rel="nofollow">
 | |
|                     <img alt="Twitter"
 | |
|                          src="https://img.shields.io/twitter/follow/labmlai?style=social"
 | |
|                          style="max-width:100%;"/></a>
 | |
|             </p>
 | |
|         </div>
 | |
|     </div>
 | |
|     <div class='section' id='section-0'>
 | |
|         <div class='docs doc-strings'>
 | |
|                 <div class='section-link'>
 | |
|                     <a href='#section-0'>#</a>
 | |
|                 </div>
 | |
|                 <h1>Configurable Optimizer</h1>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">10</span><span></span><span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">Tuple</span>
 | |
| <span class="lineno">11</span>
 | |
| <span class="lineno">12</span><span class="kn">import</span> <span class="nn">torch</span>
 | |
| <span class="lineno">13</span>
 | |
| <span class="lineno">14</span><span class="kn">from</span> <span class="nn">labml.configs</span> <span class="kn">import</span> <span class="n">BaseConfigs</span><span class="p">,</span> <span class="n">option</span><span class="p">,</span> <span class="n">meta_config</span>
 | |
| <span class="lineno">15</span><span class="kn">from</span> <span class="nn">labml_nn.optimizers</span> <span class="kn">import</span> <span class="n">WeightDecay</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>
 | |
|                 <p><a id="OptimizerConfigs"></p>
 | |
| <h2>Optimizer Configurations</h2>
 | |
| <p></a></p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">18</span><span class="k">class</span> <span class="nc">OptimizerConfigs</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>Optimizer</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">26</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-3'>
 | |
|             <div class='docs'>
 | |
|                 <div class='section-link'>
 | |
|                     <a href='#section-3'>#</a>
 | |
|                 </div>
 | |
|                 <p>Weight decay</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">29</span>    <span class="n">weight_decay_obj</span><span class="p">:</span> <span class="n">WeightDecay</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>Whether weight decay is decoupled;
 | |
| i.e. weight decay is not added to gradients</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">32</span>    <span class="n">weight_decouple</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span></pre></div>
 | |
|             </div>
 | |
|         </div>
 | |
|     <div class='section' id='section-5'>
 | |
|             <div class='docs'>
 | |
|                 <div class='section-link'>
 | |
|                     <a href='#section-5'>#</a>
 | |
|                 </div>
 | |
|                 <p>Weight decay</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">34</span>    <span class="n">weight_decay</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">0.0</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>Whether weight decay is absolute or should be multiplied by learning rate</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">36</span>    <span class="n">weight_decay_absolute</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</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>Whether the adam update is optimized (different epsilon)</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">39</span>    <span class="n">optimized_adam_update</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</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>Parameters to be optimized</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">42</span>    <span class="n">parameters</span><span class="p">:</span> <span class="nb">any</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>Learning rate $\alpha$</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">45</span>    <span class="n">learning_rate</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">0.01</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>Beta values $(\beta_1, \beta_2)$ for Adam</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">47</span>    <span class="n">betas</span><span class="p">:</span> <span class="n">Tuple</span><span class="p">[</span><span class="nb">float</span><span class="p">,</span> <span class="nb">float</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span><span class="mf">0.9</span><span class="p">,</span> <span class="mf">0.999</span><span class="p">)</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>Epsilon $\epsilon$ for adam</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">49</span>    <span class="n">eps</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">1e-08</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>Momentum for SGD</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">52</span>    <span class="n">momentum</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">0.5</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>Whether to use AMSGrad</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">54</span>    <span class="n">amsgrad</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span></pre></div>
 | |
|             </div>
 | |
|         </div>
 | |
|     <div class='section' id='section-14'>
 | |
|             <div class='docs'>
 | |
|                 <div class='section-link'>
 | |
|                     <a href='#section-14'>#</a>
 | |
|                 </div>
 | |
|                 <p>Number of warmup optimizer steps</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">57</span>    <span class="n">warmup</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">2_000</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>Total number of optimizer steps (for cosine decay)</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">59</span>    <span class="n">total_steps</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="mf">1e10</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>Whether to degenerate to SGD in AdaBelief</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">62</span>    <span class="n">degenerate_to_sgd</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</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>Whether to use Rectified Adam in AdaBelief</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">65</span>    <span class="n">rectify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</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>Model embedding size for Noam optimizer</p>
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">68</span>    <span class="n">d_model</span><span class="p">:</span> <span class="nb">int</span></pre></div>
 | |
|             </div>
 | |
|         </div>
 | |
|     <div class='section' id='section-19'>
 | |
|             <div class='docs'>
 | |
|                 <div class='section-link'>
 | |
|                     <a href='#section-19'>#</a>
 | |
|                 </div>
 | |
|                 
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">70</span>    <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 | |
| <span class="lineno">71</span>        <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">_primary</span><span class="o">=</span><span class="s1">'optimizer'</span><span class="p">)</span>
 | |
| <span class="lineno">72</span>
 | |
| <span class="lineno">73</span>
 | |
| <span class="lineno">74</span><span class="n">meta_config</span><span class="p">(</span><span class="n">OptimizerConfigs</span><span class="o">.</span><span class="n">parameters</span><span class="p">)</span></pre></div>
 | |
|             </div>
 | |
|         </div>
 | |
|     <div class='section' id='section-20'>
 | |
|             <div class='docs'>
 | |
|                 <div class='section-link'>
 | |
|                     <a href='#section-20'>#</a>
 | |
|                 </div>
 | |
|                 
 | |
|             </div>
 | |
|             <div class='code'>
 | |
|                 <div class="highlight"><pre><span class="lineno">77</span><span class="nd">@option</span><span class="p">(</span><span class="n">OptimizerConfigs</span><span class="o">.</span><span class="n">weight_decay_obj</span><span class="p">,</span> <span class="s1">'L2'</span><span class="p">)</span>
 | |
| <span class="lineno">78</span><span class="k">def</span> <span class="nf">_weight_decay</span><span class="p">(</span><span class="n">c</span><span class="p">:</span> <span class="n">OptimizerConfigs</span><span class="p">):</span>
 | |
| <span class="lineno">79</span>    <span class="k">return</span> <span class="n">WeightDecay</span><span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">weight_decay</span><span class="p">,</span> <span class="n">c</span><span class="o">.</span><span class="n">weight_decouple</span><span class="p">,</span> <span class="n">c</span><span class="o">.</span><span class="n">weight_decay_absolute</span><span class="p">)</span>
 | |
| <span class="lineno">80</span>
 | |
| <span class="lineno">81</span>
 | |
| <span class="lineno">82</span><span class="nd">@option</span><span class="p">(</span><span class="n">OptimizerConfigs</span><span class="o">.</span><span class="n">optimizer</span><span class="p">,</span> <span class="s1">'SGD'</span><span class="p">)</span>
 | |
| <span class="lineno">83</span><span class="k">def</span> <span class="nf">_sgd_optimizer</span><span class="p">(</span><span class="n">c</span><span class="p">:</span> <span class="n">OptimizerConfigs</span><span class="p">):</span>
 | |
| <span class="lineno">84</span>    <span class="k">return</span> <span class="n">torch</span><span class="o">.</span><span class="n">optim</span><span class="o">.</span><span class="n">SGD</span><span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">parameters</span><span class="p">,</span> <span class="n">c</span><span class="o">.</span><span class="n">learning_rate</span><span class="p">,</span> <span class="n">c</span><span class="o">.</span><span class="n">momentum</span><span class="p">)</span>
 | |
| <span class="lineno">85</span>
 | |
| <span class="lineno">86</span>
 | |
| <span class="lineno">87</span><span class="nd">@option</span><span class="p">(</span><span class="n">OptimizerConfigs</span><span class="o">.</span><span class="n">optimizer</span><span class="p">,</span> <span class="s1">'Adam'</span><span class="p">)</span>
 | |
| <span class="lineno">88</span><span class="k">def</span> <span class="nf">_adam_optimizer</span><span class="p">(</span><span class="n">c</span><span class="p">:</span> <span class="n">OptimizerConfigs</span><span class="p">):</span>
 | |
| <span class="lineno">89</span>    <span class="k">if</span> <span class="n">c</span><span class="o">.</span><span class="n">amsgrad</span><span class="p">:</span>
 | |
| <span class="lineno">90</span>        <span class="kn">from</span> <span class="nn">labml_nn.optimizers.amsgrad</span> <span class="kn">import</span> <span class="n">AMSGrad</span>
 | |
| <span class="lineno">91</span>        <span class="k">return</span> <span class="n">AMSGrad</span><span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">parameters</span><span class="p">,</span>
 | |
| <span class="lineno">92</span>                       <span class="n">lr</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">learning_rate</span><span class="p">,</span> <span class="n">betas</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">betas</span><span class="p">,</span> <span class="n">eps</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">eps</span><span class="p">,</span>
 | |
| <span class="lineno">93</span>                       <span class="n">optimized_update</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">optimized_adam_update</span><span class="p">,</span>
 | |
| <span class="lineno">94</span>                       <span class="n">weight_decay</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">weight_decay_obj</span><span class="p">,</span> <span class="n">amsgrad</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">amsgrad</span><span class="p">)</span>
 | |
| <span class="lineno">95</span>    <span class="k">else</span><span class="p">:</span>
 | |
| <span class="lineno">96</span>        <span class="kn">from</span> <span class="nn">labml_nn.optimizers.adam</span> <span class="kn">import</span> <span class="n">Adam</span>
 | |
| <span class="lineno">97</span>        <span class="k">return</span> <span class="n">Adam</span><span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">parameters</span><span class="p">,</span>
 | |
| <span class="lineno">98</span>                    <span class="n">lr</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">learning_rate</span><span class="p">,</span> <span class="n">betas</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">betas</span><span class="p">,</span> <span class="n">eps</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">eps</span><span class="p">,</span>
 | |
| <span class="lineno">99</span>                    <span class="n">optimized_update</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">optimized_adam_update</span><span class="p">,</span>
 | |
| <span class="lineno">100</span>                    <span class="n">weight_decay</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">weight_decay_obj</span><span class="p">)</span>
 | |
| <span class="lineno">101</span>
 | |
| <span class="lineno">102</span>
 | |
| <span class="lineno">103</span><span class="nd">@option</span><span class="p">(</span><span class="n">OptimizerConfigs</span><span class="o">.</span><span class="n">optimizer</span><span class="p">,</span> <span class="s1">'AdamW'</span><span class="p">)</span>
 | |
| <span class="lineno">104</span><span class="k">def</span> <span class="nf">_adam_warmup_optimizer</span><span class="p">(</span><span class="n">c</span><span class="p">:</span> <span class="n">OptimizerConfigs</span><span class="p">):</span>
 | |
| <span class="lineno">105</span>    <span class="kn">from</span> <span class="nn">labml_nn.optimizers.adam_warmup</span> <span class="kn">import</span> <span class="n">AdamWarmup</span>
 | |
| <span class="lineno">106</span>    <span class="k">return</span> <span class="n">AdamWarmup</span><span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">parameters</span><span class="p">,</span>
 | |
| <span class="lineno">107</span>                      <span class="n">lr</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">learning_rate</span><span class="p">,</span> <span class="n">betas</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">betas</span><span class="p">,</span> <span class="n">eps</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">eps</span><span class="p">,</span>
 | |
| <span class="lineno">108</span>                      <span class="n">weight_decay</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">weight_decay_obj</span><span class="p">,</span> <span class="n">amsgrad</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">amsgrad</span><span class="p">,</span> <span class="n">warmup</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">warmup</span><span class="p">)</span>
 | |
| <span class="lineno">109</span>
 | |
| <span class="lineno">110</span>
 | |
| <span class="lineno">111</span><span class="nd">@option</span><span class="p">(</span><span class="n">OptimizerConfigs</span><span class="o">.</span><span class="n">optimizer</span><span class="p">,</span> <span class="s1">'RAdam'</span><span class="p">)</span>
 | |
| <span class="lineno">112</span><span class="k">def</span> <span class="nf">_radam_optimizer</span><span class="p">(</span><span class="n">c</span><span class="p">:</span> <span class="n">OptimizerConfigs</span><span class="p">):</span>
 | |
| <span class="lineno">113</span>    <span class="kn">from</span> <span class="nn">labml_nn.optimizers.radam</span> <span class="kn">import</span> <span class="n">RAdam</span>
 | |
| <span class="lineno">114</span>    <span class="k">return</span> <span class="n">RAdam</span><span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">parameters</span><span class="p">,</span>
 | |
| <span class="lineno">115</span>                 <span class="n">lr</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">learning_rate</span><span class="p">,</span> <span class="n">betas</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">betas</span><span class="p">,</span> <span class="n">eps</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">eps</span><span class="p">,</span>
 | |
| <span class="lineno">116</span>                 <span class="n">weight_decay</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">weight_decay_obj</span><span class="p">,</span> <span class="n">amsgrad</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">amsgrad</span><span class="p">,</span>
 | |
| <span class="lineno">117</span>                 <span class="n">degenerated_to_sgd</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">degenerate_to_sgd</span><span class="p">)</span>
 | |
| <span class="lineno">118</span>
 | |
| <span class="lineno">119</span>
 | |
| <span class="lineno">120</span><span class="nd">@option</span><span class="p">(</span><span class="n">OptimizerConfigs</span><span class="o">.</span><span class="n">optimizer</span><span class="p">,</span> <span class="s1">'AdaBelief'</span><span class="p">)</span>
 | |
| <span class="lineno">121</span><span class="k">def</span> <span class="nf">_ada_belief_optimizer</span><span class="p">(</span><span class="n">c</span><span class="p">:</span> <span class="n">OptimizerConfigs</span><span class="p">):</span>
 | |
| <span class="lineno">122</span>    <span class="kn">from</span> <span class="nn">labml_nn.optimizers.ada_belief</span> <span class="kn">import</span> <span class="n">AdaBelief</span>
 | |
| <span class="lineno">123</span>    <span class="k">return</span> <span class="n">AdaBelief</span><span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">parameters</span><span class="p">,</span>
 | |
| <span class="lineno">124</span>                     <span class="n">lr</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">learning_rate</span><span class="p">,</span> <span class="n">betas</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">betas</span><span class="p">,</span> <span class="n">eps</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">eps</span><span class="p">,</span>
 | |
| <span class="lineno">125</span>                     <span class="n">weight_decay</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">weight_decay_obj</span><span class="p">,</span> <span class="n">amsgrad</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">amsgrad</span><span class="p">,</span>
 | |
| <span class="lineno">126</span>                     <span class="n">degenerate_to_sgd</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">degenerate_to_sgd</span><span class="p">,</span>
 | |
| <span class="lineno">127</span>                     <span class="n">rectify</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">rectify</span><span class="p">)</span>
 | |
| <span class="lineno">128</span>
 | |
| <span class="lineno">129</span>
 | |
| <span class="lineno">130</span><span class="nd">@option</span><span class="p">(</span><span class="n">OptimizerConfigs</span><span class="o">.</span><span class="n">optimizer</span><span class="p">,</span> <span class="s1">'Noam'</span><span class="p">)</span>
 | |
| <span class="lineno">131</span><span class="k">def</span> <span class="nf">_noam_optimizer</span><span class="p">(</span><span class="n">c</span><span class="p">:</span> <span class="n">OptimizerConfigs</span><span class="p">):</span>
 | |
| <span class="lineno">132</span>    <span class="kn">from</span> <span class="nn">labml_nn.optimizers.noam</span> <span class="kn">import</span> <span class="n">Noam</span>
 | |
| <span class="lineno">133</span>    <span class="k">return</span> <span class="n">Noam</span><span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">parameters</span><span class="p">,</span>
 | |
| <span class="lineno">134</span>                <span class="n">lr</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">learning_rate</span><span class="p">,</span> <span class="n">betas</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">betas</span><span class="p">,</span> <span class="n">eps</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">eps</span><span class="p">,</span>
 | |
| <span class="lineno">135</span>                <span class="n">weight_decay</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">weight_decay_obj</span><span class="p">,</span> <span class="n">amsgrad</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">amsgrad</span><span class="p">,</span> <span class="n">warmup</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">warmup</span><span class="p">,</span>
 | |
| <span class="lineno">136</span>                <span class="n">d_model</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">d_model</span><span class="p">)</span>
 | |
| <span class="lineno">137</span>
 | |
| <span class="lineno">138</span>
 | |
| <span class="lineno">139</span><span class="nd">@option</span><span class="p">(</span><span class="n">OptimizerConfigs</span><span class="o">.</span><span class="n">optimizer</span><span class="p">,</span> <span class="s1">'AdamWarmupCosineDecay'</span><span class="p">)</span>
 | |
| <span class="lineno">140</span><span class="k">def</span> <span class="nf">_noam_optimizer</span><span class="p">(</span><span class="n">c</span><span class="p">:</span> <span class="n">OptimizerConfigs</span><span class="p">):</span>
 | |
| <span class="lineno">141</span>    <span class="kn">from</span> <span class="nn">labml_nn.optimizers.adam_warmup_cosine_decay</span> <span class="kn">import</span> <span class="n">AdamWarmupCosineDecay</span>
 | |
| <span class="lineno">142</span>    <span class="k">return</span> <span class="n">AdamWarmupCosineDecay</span><span class="p">(</span><span class="n">c</span><span class="o">.</span><span class="n">parameters</span><span class="p">,</span>
 | |
| <span class="lineno">143</span>                                 <span class="n">lr</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">learning_rate</span><span class="p">,</span> <span class="n">betas</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">betas</span><span class="p">,</span> <span class="n">eps</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">eps</span><span class="p">,</span>
 | |
| <span class="lineno">144</span>                                 <span class="n">weight_decay</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">weight_decay_obj</span><span class="p">,</span> <span class="n">amsgrad</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">amsgrad</span><span class="p">,</span>
 | |
| <span class="lineno">145</span>                                 <span class="n">warmup</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">warmup</span><span class="p">,</span> <span class="n">total_steps</span><span class="o">=</span><span class="n">c</span><span class="o">.</span><span class="n">total_steps</span><span class="p">)</span></pre></div>
 | |
|             </div>
 | |
|         </div>
 | |
|     </div>
 | |
| </div>
 | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.4/MathJax.js?config=TeX-AMS_HTML">
 | |
| </script>
 | |
| <!-- MathJax configuration -->
 | |
| <script type="text/x-mathjax-config">
 | |
|     MathJax.Hub.Config({
 | |
|         tex2jax: {
 | |
|             inlineMath: [ ['$','$'] ],
 | |
|             displayMath: [ ['$$','$$'] ],
 | |
|             processEscapes: true,
 | |
|             processEnvironments: true
 | |
|         },
 | |
|         // Center justify equations in code and markdown cells. Elsewhere
 | |
|         // we use CSS to left justify single line equations in code cells.
 | |
|         displayAlign: 'center',
 | |
|         "HTML-CSS": { fonts: ["TeX"] }
 | |
|     });
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| </script>
 | |
| </body>
 | |
| </html> | 
