| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <!-- NewPage --> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc --> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>org.apache.sysds.hops.ipa (SystemDS 2.1.0-SNAPSHOT API)</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| <script type="text/javascript" src="../../../../../script.js"></script> |
| </head> |
| <body> |
| <script type="text/javascript"><!-- |
| try { |
| if (location.href.indexOf('is-external=true') == -1) { |
| parent.document.title="org.apache.sysds.hops.ipa (SystemDS 2.1.0-SNAPSHOT API)"; |
| } |
| } |
| catch(err) { |
| } |
| //--> |
| </script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="topNav"><a name="navbar.top"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.top.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../overview-summary.html">Overview</a></li> |
| <li class="navBarCell1Rev">Package</li> |
| <li>Class</li> |
| <li><a href="package-use.html">Use</a></li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../org/apache/sysds/hops/estim/package-summary.html">Prev Package</a></li> |
| <li><a href="../../../../../org/apache/sysds/hops/recompile/package-summary.html">Next Package</a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../index.html?org/apache/sysds/hops/ipa/package-summary.html" target="_top">Frames</a></li> |
| <li><a href="package-summary.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_top"> |
| <li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_top"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <a name="skip.navbar.top"> |
| <!-- --> |
| </a></div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <div class="header"> |
| <h1 title="Package" class="title">Package org.apache.sysds.hops.ipa</h1> |
| </div> |
| <div class="contentContainer"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation"> |
| <caption><span>Class Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/FunctionCallGraph.html" title="class in org.apache.sysds.hops.ipa">FunctionCallGraph</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/FunctionCallSizeInfo.html" title="class in org.apache.sysds.hops.ipa">FunctionCallSizeInfo</a></td> |
| <td class="colLast"> |
| <div class="block">Auxiliary data structure to hold function call summaries in terms |
| of information about number of function calls, consistent dimensions, |
| consistent sparsity, and dimension-preserving functions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html" title="class in org.apache.sysds.hops.ipa">InterProceduralAnalysis</a></td> |
| <td class="colLast"> |
| <div class="block">This Inter Procedural Analysis (IPA) serves two major purposes: |
| 1) Inter-Procedure Analysis: propagate statistics from calling program into |
| functions and back into main program.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/IPAPass.html" title="class in org.apache.sysds.hops.ipa">IPAPass</a></td> |
| <td class="colLast"> |
| <div class="block">Base class for all IPA passes.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/IPAPassApplyStaticAndDynamicHopRewrites.html" title="class in org.apache.sysds.hops.ipa">IPAPassApplyStaticAndDynamicHopRewrites</a></td> |
| <td class="colLast"> |
| <div class="block">This rewrite applies static hop dag and statement block |
| rewrites such as constant folding and branch removal |
| in order to simplify statistic propagation.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/IPAPassEliminateDeadCode.html" title="class in org.apache.sysds.hops.ipa">IPAPassEliminateDeadCode</a></td> |
| <td class="colLast"> |
| <div class="block">This rewrite eliminates unnecessary sub-DAGs that produce |
| transient write outputs which are never consumed subsequently.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/IPAPassFlagFunctionsRecompileOnce.html" title="class in org.apache.sysds.hops.ipa">IPAPassFlagFunctionsRecompileOnce</a></td> |
| <td class="colLast"> |
| <div class="block">This rewrite marks functions with loops as recompile once |
| in order to reduce recompilation overhead.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/IPAPassFlagNonDeterminism.html" title="class in org.apache.sysds.hops.ipa">IPAPassFlagNonDeterminism</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/IPAPassForwardFunctionCalls.html" title="class in org.apache.sysds.hops.ipa">IPAPassForwardFunctionCalls</a></td> |
| <td class="colLast"> |
| <div class="block">This rewrite forwards a function call to a function with a simple |
| function call that only consumes function parameters and literals |
| into the original call location.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/IPAPassInlineFunctions.html" title="class in org.apache.sysds.hops.ipa">IPAPassInlineFunctions</a></td> |
| <td class="colLast"> |
| <div class="block">This rewrite inlines single statement block functions, which have fewer |
| operations than an internal threshold.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/IPAPassPropagateReplaceLiterals.html" title="class in org.apache.sysds.hops.ipa">IPAPassPropagateReplaceLiterals</a></td> |
| <td class="colLast"> |
| <div class="block">This rewrite propagates and replaces literals into functions |
| in order to enable subsequent rewrites such as branch removal.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/IPAPassRemoveConstantBinaryOps.html" title="class in org.apache.sysds.hops.ipa">IPAPassRemoveConstantBinaryOps</a></td> |
| <td class="colLast"> |
| <div class="block">This rewrite identifies binary operations with constant matrices |
| such as X * ones, where ones might be created as a vector of ones |
| before a loop.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/IPAPassRemoveUnnecessaryCheckpoints.html" title="class in org.apache.sysds.hops.ipa">IPAPassRemoveUnnecessaryCheckpoints</a></td> |
| <td class="colLast"> |
| <div class="block">This rewrite identifies and removes unnecessary checkpoints, i.e., |
| persisting of Spark RDDs into a given storage level.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/sysds/hops/ipa/IPAPassRemoveUnusedFunctions.html" title="class in org.apache.sysds.hops.ipa">IPAPassRemoveUnusedFunctions</a></td> |
| <td class="colLast"> |
| <div class="block">This rewrite identifies and removes unused functions in order |
| to reduce compilation overhead and other overheads such as |
| parfor worker creation, where we construct function copies.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| </ul> |
| </div> |
| <!-- ======= START OF BOTTOM NAVBAR ====== --> |
| <div class="bottomNav"><a name="navbar.bottom"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.bottom.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../overview-summary.html">Overview</a></li> |
| <li class="navBarCell1Rev">Package</li> |
| <li>Class</li> |
| <li><a href="package-use.html">Use</a></li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../org/apache/sysds/hops/estim/package-summary.html">Prev Package</a></li> |
| <li><a href="../../../../../org/apache/sysds/hops/recompile/package-summary.html">Next Package</a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../index.html?org/apache/sysds/hops/ipa/package-summary.html" target="_top">Frames</a></li> |
| <li><a href="package-summary.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_bottom"> |
| <li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_bottom"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <a name="skip.navbar.bottom"> |
| <!-- --> |
| </a></div> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| <p class="legalCopy"><small>Copyright © 2021 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p> |
| </body> |
| </html> |