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| <div class="subTitle">org.apache.sysds.hops.ipa</div> |
| <h2 title="Class InterProceduralAnalysis" class="title">Class InterProceduralAnalysis</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
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| <li> |
| <ul class="inheritance"> |
| <li>org.apache.sysds.hops.ipa.InterProceduralAnalysis</li> |
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| <pre>public class <span class="typeNameLabel">InterProceduralAnalysis</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <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. This is done recursively for nested |
| function invocations. |
| 2) Intra-Procedural Analysis: propagate statistics across hop dags of subsequent |
| statement blocks in order to allow chained function calls and reasoning about |
| changing sparsity etc (that requires the rewritten hops dag as input). This |
| also includes control-flow aware propagation of size and sparsity. Furthermore, |
| it also serves as a second constant propagation pass. |
| |
| Additionally, IPA also covers the removal of unused functions, the decision on |
| recompile once functions, the removal of unnecessary checkpoints, and the |
| global removal of constant binary operations such as X * ones.</div> |
| </li> |
| </ul> |
| </div> |
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| <!-- =========== FIELD SUMMARY =========== --> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#ALLOW_MULTIPLE_FUNCTION_CALLS">ALLOW_MULTIPLE_FUNCTION_CALLS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#APPLY_DYNAMIC_REWRITES">APPLY_DYNAMIC_REWRITES</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#APPLY_STATIC_REWRITES">APPLY_STATIC_REWRITES</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#ELIMINATE_DEAD_CODE">ELIMINATE_DEAD_CODE</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#FLAG_FUNCTION_RECOMPILE_ONCE">FLAG_FUNCTION_RECOMPILE_ONCE</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#FLAG_NONDETERMINISM">FLAG_NONDETERMINISM</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#FORWARD_SIMPLE_FUN_CALLS">FORWARD_SIMPLE_FUN_CALLS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#INLINING_MAX_NUM_OPS">INLINING_MAX_NUM_OPS</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#INTRA_PROCEDURAL_ANALYSIS">INTRA_PROCEDURAL_ANALYSIS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#PROPAGATE_KNOWN_UDF_STATISTICS">PROPAGATE_KNOWN_UDF_STATISTICS</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#PROPAGATE_SCALAR_LITERALS">PROPAGATE_SCALAR_LITERALS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#PROPAGATE_SCALAR_VARS_INTO_FUN">PROPAGATE_SCALAR_VARS_INTO_FUN</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#REMOVE_CONSTANT_BINARY_OPS">REMOVE_CONSTANT_BINARY_OPS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#REMOVE_UNNECESSARY_CHECKPOINTS">REMOVE_UNNECESSARY_CHECKPOINTS</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#REMOVE_UNUSED_FUNCTIONS">REMOVE_UNUSED_FUNCTIONS</a></span></code> </td> |
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| </table> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#InterProceduralAnalysis-org.apache.sysds.parser.DMLProgram-">InterProceduralAnalysis</a></span>(<a href="../../../../../org/apache/sysds/parser/DMLProgram.html" title="class in org.apache.sysds.parser">DMLProgram</a> dmlp)</code> |
| <div class="block">Creates a handle for performing inter-procedural analysis |
| for a given DML program and its associated HOP DAGs.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#InterProceduralAnalysis-org.apache.sysds.parser.StatementBlock-">InterProceduralAnalysis</a></span>(<a href="../../../../../org/apache/sysds/parser/StatementBlock.html" title="class in org.apache.sysds.parser">StatementBlock</a> sb)</code> </td> |
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| <tr> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#analyzeProgram--">analyzeProgram</a></span>()</code> |
| <div class="block">Main interface to perform IPA over a given DML program.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#analyzeProgram-int-">analyzeProgram</a></span>(int repetitions)</code> |
| <div class="block">Main interface to perform IPA over a given DML program.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/hops/ipa/InterProceduralAnalysis.html#analyzeSubProgram--">analyzeSubProgram</a></span>()</code> </td> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
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| <pre>protected static final boolean INTRA_PROCEDURAL_ANALYSIS</pre> |
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| <pre>protected static final boolean PROPAGATE_KNOWN_UDF_STATISTICS</pre> |
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| <pre>protected static final boolean ALLOW_MULTIPLE_FUNCTION_CALLS</pre> |
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| <pre>protected static final boolean REMOVE_UNNECESSARY_CHECKPOINTS</pre> |
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| <pre>public InterProceduralAnalysis(<a href="../../../../../org/apache/sysds/parser/DMLProgram.html" title="class in org.apache.sysds.parser">DMLProgram</a> dmlp)</pre> |
| <div class="block">Creates a handle for performing inter-procedural analysis |
| for a given DML program and its associated HOP DAGs. This |
| call initializes various internal information such as the |
| function call graph which can be reused across multiple IPA |
| calls (e.g., for second chance analysis).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dmlp</code> - The DML program to analyze</dd> |
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| <pre>public void analyzeProgram()</pre> |
| <div class="block">Main interface to perform IPA over a given DML program.</div> |
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| <div class="block">Main interface to perform IPA over a given DML program.</div> |
| <dl> |
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| <dd><code>repetitions</code> - number of IPA rounds</dd> |
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