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<div class="subTitle">org.apache.sysds.runtime.controlprogram.parfor</div>
<h2 title="Class TaskPartitioner" class="title">Class TaskPartitioner</h2>
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<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitionerFactoring.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">TaskPartitionerFactoring</a>, <a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitionerFixedsize.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">TaskPartitionerFixedsize</a></dd>
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<pre>public abstract class <span class="typeNameLabel">TaskPartitioner</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 is the base class for all task partitioner. For this purpose it stores relevant information such as
the loop specification (FROM, TO, INCR), the index variable and the task size. Furthermore, it declares two
prototypes: (1) full task creation, (2) streaming task creation.
Known implementation classes: TaskPartitionerFixedsize, TaskPartitionerFactoring</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>protected <a href="../../../../../../org/apache/sysds/runtime/instructions/cp/IntObject.html" title="class in org.apache.sysds.runtime.instructions.cp">IntObject</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitioner.html#Z:Z_fromVal">_fromVal</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="../../../../../../org/apache/sysds/runtime/instructions/cp/IntObject.html" title="class in org.apache.sysds.runtime.instructions.cp">IntObject</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitioner.html#Z:Z_incrVal">_incrVal</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <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/runtime/controlprogram/parfor/TaskPartitioner.html#Z:Z_iterVarName">_iterVarName</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected long</code></td>
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<td class="colFirst"><code>protected long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitioner.html#Z:Z_taskSize">_taskSize</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="../../../../../../org/apache/sysds/runtime/instructions/cp/IntObject.html" title="class in org.apache.sysds.runtime.instructions.cp">IntObject</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitioner.html#Z:Z_toVal">_toVal</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitioner.html#TaskPartitioner-long-java.lang.String-org.apache.sysds.runtime.instructions.cp.IntObject-org.apache.sysds.runtime.instructions.cp.IntObject-org.apache.sysds.runtime.instructions.cp.IntObject-">TaskPartitioner</a></span>(long&nbsp;taskSize,
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<td class="colFirst"><code>abstract <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/Task.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">Task</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitioner.html#createTasks--">createTasks</a></span>()</code>
<div class="block">Creates and returns set of all tasks for given problem at once.</div>
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<td class="colFirst"><code>abstract long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitioner.html#createTasks-org.apache.sysds.runtime.controlprogram.parfor.LocalTaskQueue-">createTasks</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/LocalTaskQueue.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">LocalTaskQueue</a>&lt;<a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/Task.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">Task</a>&gt;&nbsp;queue)</code>
<div class="block">Creates set of all tasks for given problem, but streams them directly
into task queue.</div>
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<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitioner.html#getNumIterations--">getNumIterations</a></span>()</code>&nbsp;</td>
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<h4>_taskSize</h4>
<pre>protected&nbsp;long _taskSize</pre>
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<pre>protected&nbsp;<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> _iterVarName</pre>
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<pre>protected&nbsp;<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/IntObject.html" title="class in org.apache.sysds.runtime.instructions.cp">IntObject</a> _fromVal</pre>
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<pre>protected&nbsp;<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/IntObject.html" title="class in org.apache.sysds.runtime.instructions.cp">IntObject</a> _toVal</pre>
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<pre>protected&nbsp;<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/IntObject.html" title="class in org.apache.sysds.runtime.instructions.cp">IntObject</a> _incrVal</pre>
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<pre>protected&nbsp;long _numIter</pre>
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<h4>TaskPartitioner</h4>
<pre>protected&nbsp;TaskPartitioner(long&nbsp;taskSize,
<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>&nbsp;iterVarName,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/IntObject.html" title="class in org.apache.sysds.runtime.instructions.cp">IntObject</a>&nbsp;fromVal,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/IntObject.html" title="class in org.apache.sysds.runtime.instructions.cp">IntObject</a>&nbsp;toVal,
<a href="../../../../../../org/apache/sysds/runtime/instructions/cp/IntObject.html" title="class in org.apache.sysds.runtime.instructions.cp">IntObject</a>&nbsp;incrVal)</pre>
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<a name="createTasks--">
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<h4>createTasks</h4>
<pre>public abstract&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/Task.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">Task</a>&gt;&nbsp;createTasks()</pre>
<div class="block">Creates and returns set of all tasks for given problem at once.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>list of tasks</dd>
</dl>
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<h4>createTasks</h4>
<pre>public abstract&nbsp;long&nbsp;createTasks(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/LocalTaskQueue.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">LocalTaskQueue</a>&lt;<a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/Task.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">Task</a>&gt;&nbsp;queue)</pre>
<div class="block">Creates set of all tasks for given problem, but streams them directly
into task queue. This allows for more tasks than fitting in main memory.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>queue</code> - queue of takss</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>?</dd>
</dl>
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<h4>getNumIterations</h4>
<pre>public&nbsp;long&nbsp;getNumIterations()</pre>
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