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href="/docs/guide/wayang-docker">Using Wayang's docker image</a></li></ul></nav></div></div></aside><main class="docMainContainer_TBSr"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Scalable Machine Learning</span><meta itemprop="position" content="1"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><h1>ML4all: scalable ML system for everyone</h1> |
| <p>ML4all is a system that frees users from the burden of machine learning algorithm selection and low-level implementation details. |
| It uses a new abstraction that is capable of solving most ML tasks and provides a cost-based optimizer on top of the proposed abstraction for choosing the best gradient descent algorithm in a given setting. |
| Our results show that ML4all is more than two orders of magnitude faster than state-of-the-art systems and can process large datasets that were not possible before.</p> |
| <p>More details can be found in our dedicated <a href="https://dl.acm.org/citation.cfm?id=3064042" target="_blank" rel="noopener noreferrer">SIGMOD publication</a> and |
| in Wayang's core <a href="https://sigmodrecord.org/publications/sigmodRecord/2309/pdfs/05_Systems_Beedkar.pdf" target="_blank" rel="noopener noreferrer">system paper</a>.</p> |
| <h2 class="anchor anchorWithStickyNavbar_LWe7" id="abstraction">Abstraction<a href="#abstraction" class="hash-link" aria-label="Direct link to Abstraction" title="Direct link to Abstraction"></a></h2> |
| <p>ML4all abstracts most ML algorithms with seven operators:</p> |
| <ul> |
| <li> |
| <p>(1) <code>Transform</code> receives a data point to transform |
| (e.g., normalize it) and outputs a new data point.</p> |
| </li> |
| <li> |
| <p>(2) <code>Stage</code> initializes all the required global param- |
| eters (e.g., centroids for the k-means algorithm).</p> |
| </li> |
| <li> |
| <p>(3) <code>Compute</code> performs user-defined computations |
| on the input data point and returns a new data |
| point. For example, it can compute the nearest cen- |
| troid for each input data point.</p> |
| </li> |
| <li> |
| <p>(4) <code>Update</code> updates the global parameters based on |
| a user-defined formula. For example, it can update |
| the new centroids based on the output computed by |
| the Compute operator.</p> |
| </li> |
| <li> |
| <p>(5) <code>Sample</code> takes as input the size of the desired |
| sample and the data points to sample from and re- |
| turns a reduced set of sampled data points.</p> |
| </li> |
| <li> |
| <p>(6) <code>Converge</code> specifies a function that outputs |
| a convergence dataset required for determining |
| whether the iterations should continue or stop.</p> |
| </li> |
| <li> |
| <p>(7) <code>Loop</code> specifies the stopping condition on the |
| convergence dataset.</p> |
| </li> |
| </ul> |
| <p>Similar to MapReduce, where users need to implement a map and reduce function, users of ML4all wishing to develop their own algorithm should implement the above interfaces. |
| The interfaces can be found in <code>org.apache.wayang.ml4all.abstraction.api</code>.</p> |
| <p>Examples for KMeans clustering and stochastic gradient descent can be found in <code>org.apache.wayang.ml4all.algorithms</code>.</p> |
| <h2 class="anchor anchorWithStickyNavbar_LWe7" id="example-runs">Example runs<a href="#example-runs" class="hash-link" aria-label="Direct link to Example runs" title="Direct link to Example runs"></a></h2> |
| <ul> |
| <li>Kmeans:</li> |
| </ul> |
| <div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">./bin/wayang-submit org.apache.wayang.ml4all.examples.RunKMeans java,spark </span><span class="token operator" style="color:#393A34"><</span><span class="token plain">url_path_to_file</span><span class="token operator" style="color:#393A34">></span><span class="token plain">/USCensus1990-sample.input </span><span class="token number" style="color:#36acaa">3</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">68</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">0</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">1</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div> |
| <ul> |
| <li>SGD:</li> |
| </ul> |
| <div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">./bin/wayang-submit org.apache.wayang.ml4all.examples.RunSGD spark </span><span class="token operator" style="color:#393A34"><</span><span class="token plain">url_path_to_file</span><span class="token operator" style="color:#393A34">></span><span class="token plain">/adult.zeros.input </span><span class="token number" style="color:#36acaa">100827</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">123</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">10</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">0.001</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/docs/guide/getting-started"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Getting started</div></a><a class="pagination-nav__link pagination-nav__link--next" 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