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<div class="subTitle">org.apache.sysds.api.mlcontext</div>
<h2 title="Class MLContext" class="title">Class MLContext</h2>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<li>org.apache.sysds.api.mlcontext.MLContext</li>
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<pre>public class <span class="typeNameLabel">MLContext</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>
implements <a href="../../../../../org/apache/sysds/api/ConfigurableAPI.html" title="interface in org.apache.sysds.api">ConfigurableAPI</a></pre>
<div class="block">The MLContext API offers programmatic access to SystemDS on Spark from
languages such as Scala, Java, and Python.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.ExecutionType.html" title="enum in org.apache.sysds.api.mlcontext">MLContext.ExecutionType</a></span></code>
<div class="block">The different types of execution environments supported by SystemDS.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.ExplainLevel.html" title="enum in org.apache.sysds.api.mlcontext">MLContext.ExplainLevel</a></span></code>
<div class="block">The different explain levels supported by SystemDS.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.InternalProxy.html" title="class in org.apache.sysds.api.mlcontext">MLContext.InternalProxy</a></span></code>
<div class="block">Used internally by MLContextProxy.</div>
</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#MLContext-org.apache.spark.api.java.JavaSparkContext-">MLContext</a></span>(org.apache.spark.api.java.JavaSparkContext&nbsp;javaSparkContext)</code>
<div class="block">Create an MLContext based on a JavaSparkContext for interaction with
SystemDS on Spark.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#MLContext-org.apache.spark.SparkContext-">MLContext</a></span>(org.apache.spark.SparkContext&nbsp;sparkContext)</code>
<div class="block">Create an MLContext based on a SparkContext for interaction with SystemDS
on Spark.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#MLContext-org.apache.spark.sql.SparkSession-">MLContext</a></span>(org.apache.spark.sql.SparkSession&nbsp;spark)</code>
<div class="block">Create an MLContext based on a SparkSession for interaction with SystemDS
on Spark.</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code><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/api/mlcontext/MLContext.html#buildTime--">buildTime</a></span>()</code>
<div class="block">Obtain the SystemDS jar file build time.</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/api/mlcontext/MLContext.html#close--">close</a></span>()</code>
<div class="block">Closes the mlcontext, which includes the cleanup of static and local
state as well as scratch space and buffer pool cleanup.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/sysds/api/mlcontext/MLResults.html" title="class in org.apache.sysds.api.mlcontext">MLResults</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#execute-org.apache.sysds.api.mlcontext.Script-">execute</a></span>(<a href="../../../../../org/apache/sysds/api/mlcontext/Script.html" title="class in org.apache.sysds.api.mlcontext">Script</a>&nbsp;script)</code>
<div class="block">Execute a DML or PYDML Script.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/sysds/api/mlcontext/MLResults.html" title="class in org.apache.sysds.api.mlcontext">MLResults</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#execute-org.apache.sysds.api.mlcontext.Script-org.apache.sysds.api.mlcontext.ScriptExecutor-">execute</a></span>(<a href="../../../../../org/apache/sysds/api/mlcontext/Script.html" title="class in org.apache.sysds.api.mlcontext">Script</a>&nbsp;script,
<a href="../../../../../org/apache/sysds/api/mlcontext/ScriptExecutor.html" title="class in org.apache.sysds.api.mlcontext">ScriptExecutor</a>&nbsp;scriptExecutor)</code>
<div class="block">Execute a DML or PYDML Script object using a ScriptExecutor.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html" title="class in org.apache.sysds.api.mlcontext">MLContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#getActiveMLContext--">getActiveMLContext</a></span>()</code>
<div class="block">Retrieve the currently active MLContext.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.ExecutionType.html" title="enum in org.apache.sysds.api.mlcontext">MLContext.ExecutionType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#getExecutionType--">getExecutionType</a></span>()</code>
<div class="block">Obtain the current execution environment.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.InternalProxy.html" title="class in org.apache.sysds.api.mlcontext">MLContext.InternalProxy</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#getInternalProxy--">getInternalProxy</a></span>()</code>
<div class="block">Used internally by MLContextProxy.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>org.apache.spark.sql.SparkSession</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#getSparkSession--">getSparkSession</a></span>()</code>
<div class="block">Obtain the SparkSession associated with this MLContext.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#getStatisticsMaxHeavyHitters--">getStatisticsMaxHeavyHitters</a></span>()</code>
<div class="block">Obtain the maximum number of heavy hitters that are printed out as part
of the statistics.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/sysds/api/mlcontext/ProjectInfo.html" title="class in org.apache.sysds.api.mlcontext">ProjectInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#info--">info</a></span>()</code>
<div class="block">Obtain information about the project such as version and build time from
the manifest in the SystemDS jar file.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#isExplain--">isExplain</a></span>()</code>
<div class="block">Whether or not an explanation of the DML/PYDML program should be output
to standard output.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#isForceGPU--">isForceGPU</a></span>()</code>
<div class="block">Whether or not the "force" GPU mode is enabled.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#isGPU--">isGPU</a></span>()</code>
<div class="block">Whether or not the GPU mode is enabled.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#isInitBeforeExecution--">isInitBeforeExecution</a></span>()</code>
<div class="block">Whether or not the default ScriptExecutor should be initialized before
execution.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#isMaintainSymbolTable--">isMaintainSymbolTable</a></span>()</code>
<div class="block">Obtain whether or not all values should be maintained in the symbol table
after execution.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#isStatistics--">isStatistics</a></span>()</code>
<div class="block">Whether or not statistics of the DML/PYDML program execution should be
output to standard output.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#resetConfig--">resetConfig</a></span>()</code>
<div class="block">Reset configuration settings to default settings.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setConfig-java.lang.String-">setConfig</a></span>(<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;configFilePath)</code>
<div class="block">Set SystemDS configuration based on a configuration file.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setConfigProperty-java.lang.String-java.lang.String-">setConfigProperty</a></span>(<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;propertyName,
<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;propertyValue)</code>
<div class="block">Set configuration property, such as
<code>setConfigProperty("sysds.localtmpdir", "/tmp/systemds")</code>.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setExecutionScript-org.apache.sysds.api.mlcontext.Script-">setExecutionScript</a></span>(<a href="../../../../../org/apache/sysds/api/mlcontext/Script.html" title="class in org.apache.sysds.api.mlcontext">Script</a>&nbsp;executionScript)</code>
<div class="block">Sets the script that is being executed</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setExecutionType-org.apache.sysds.api.mlcontext.MLContext.ExecutionType-">setExecutionType</a></span>(<a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.ExecutionType.html" title="enum in org.apache.sysds.api.mlcontext">MLContext.ExecutionType</a>&nbsp;executionType)</code>
<div class="block">Set the execution environment.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setExplain-boolean-">setExplain</a></span>(boolean&nbsp;explain)</code>
<div class="block">Whether or not an explanation of the DML/PYDML program should be output
to standard output.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setExplainLevel-org.apache.sysds.api.mlcontext.MLContext.ExplainLevel-">setExplainLevel</a></span>(<a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.ExplainLevel.html" title="enum in org.apache.sysds.api.mlcontext">MLContext.ExplainLevel</a>&nbsp;explainLevel)</code>
<div class="block">Set the level of program explanation that should be displayed if explain
is set to true.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setExplainLevel-java.lang.String-">setExplainLevel</a></span>(<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;explainLevel)</code>
<div class="block">Set the level of program explanation that should be displayed if explain
is set to true.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setForceGPU-boolean-">setForceGPU</a></span>(boolean&nbsp;enable)</code>
<div class="block">Whether or not to explicitly "force" the usage of GPU.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setGPU-boolean-">setGPU</a></span>(boolean&nbsp;enable)</code>
<div class="block">Whether or not to use (an available) GPU on the driver node.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setInitBeforeExecution-boolean-">setInitBeforeExecution</a></span>(boolean&nbsp;initBeforeExecution)</code>
<div class="block">Whether or not the default ScriptExecutor should be initialized before
execution.</div>
</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setLineage-boolean-">setLineage</a></span>(boolean&nbsp;lineage)</code>
<div class="block">Set whether or not lineage should be traced</div>
</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setLineage-org.apache.sysds.runtime.lineage.LineageCacheConfig.ReuseCacheType-">setLineage</a></span>(<a href="../../../../../org/apache/sysds/runtime/lineage/LineageCacheConfig.ReuseCacheType.html" title="enum in org.apache.sysds.runtime.lineage">LineageCacheConfig.ReuseCacheType</a>&nbsp;reuse)</code>
<div class="block">Set type of lineage-based reuse caching and enable lineage tracing</div>
</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setMaintainSymbolTable-boolean-">setMaintainSymbolTable</a></span>(boolean&nbsp;maintainSymbolTable)</code>
<div class="block">Set whether or not all values should be maintained in the symbol table
after execution.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setStatistics-boolean-">setStatistics</a></span>(boolean&nbsp;statistics)</code>
<div class="block">Whether or not statistics of the DML/PYDML program execution should be
output to standard output.</div>
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<tr id="i31" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html#setStatisticsMaxHeavyHitters-int-">setStatisticsMaxHeavyHitters</a></span>(int&nbsp;maxHeavyHitters)</code>
<div class="block">Sets the maximum number of heavy hitters that are printed out as part of
the statistics.</div>
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<tr id="i32" class="altColor">
<td class="colFirst"><code><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/api/mlcontext/MLContext.html#version--">version</a></span>()</code>
<div class="block">Obtain the SystemDS version number.</div>
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<pre>public&nbsp;MLContext(org.apache.spark.sql.SparkSession&nbsp;spark)</pre>
<div class="block">Create an MLContext based on a SparkSession for interaction with SystemDS
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>spark</code> - SparkSession</dd>
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<pre>public&nbsp;MLContext(org.apache.spark.SparkContext&nbsp;sparkContext)</pre>
<div class="block">Create an MLContext based on a SparkContext for interaction with SystemDS
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<dd><code>sparkContext</code> - SparkContext</dd>
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<pre>public&nbsp;MLContext(org.apache.spark.api.java.JavaSparkContext&nbsp;javaSparkContext)</pre>
<div class="block">Create an MLContext based on a JavaSparkContext for interaction with
SystemDS on Spark.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<pre>public static&nbsp;<a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.html" title="class in org.apache.sysds.api.mlcontext">MLContext</a>&nbsp;getActiveMLContext()</pre>
<div class="block">Retrieve the currently active MLContext. This is used internally by
SystemDS via MLContextProxy.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
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<pre>public&nbsp;void&nbsp;resetConfig()</pre>
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<div class="block">Reset configuration settings to default settings.</div>
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<dd><code><a href="../../../../../org/apache/sysds/api/ConfigurableAPI.html#resetConfig--">resetConfig</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/sysds/api/ConfigurableAPI.html" title="interface in org.apache.sysds.api">ConfigurableAPI</a></code></dd>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/sysds/api/ConfigurableAPI.html#setConfigProperty-java.lang.String-java.lang.String-">ConfigurableAPI</a></code></span></div>
<div class="block">Set configuration property, such as
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/sysds/api/ConfigurableAPI.html#setConfigProperty-java.lang.String-java.lang.String-">setConfigProperty</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/sysds/api/ConfigurableAPI.html" title="interface in org.apache.sysds.api">ConfigurableAPI</a></code></dd>
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<dd><code>propertyName</code> - property name</dd>
<dd><code>propertyValue</code> - property value</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/sysds/api/mlcontext/MLResults.html" title="class in org.apache.sysds.api.mlcontext">MLResults</a>&nbsp;execute(<a href="../../../../../org/apache/sysds/api/mlcontext/Script.html" title="class in org.apache.sysds.api.mlcontext">Script</a>&nbsp;script)</pre>
<div class="block">Execute a DML or PYDML Script.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>script</code> - The DML or PYDML Script object to execute.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the results as a MLResults object</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/sysds/api/mlcontext/MLResults.html" title="class in org.apache.sysds.api.mlcontext">MLResults</a>&nbsp;execute(<a href="../../../../../org/apache/sysds/api/mlcontext/Script.html" title="class in org.apache.sysds.api.mlcontext">Script</a>&nbsp;script,
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<div class="block">Execute a DML or PYDML Script object using a ScriptExecutor. The
ScriptExecutor class can be extended to allow the modification of the
default execution pathway.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>script</code> - the DML or PYDML Script object</dd>
<dd><code>scriptExecutor</code> - the ScriptExecutor that defines the script execution pathway</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the results as a MLResults object</dd>
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<div class="block">Sets the script that is being executed</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>executionScript</code> - script that is being executed</dd>
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<div class="block">Set SystemDS configuration based on a configuration file.</div>
<dl>
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<div class="block">Obtain the SparkSession associated with this MLContext.</div>
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<div class="block">Whether or not an explanation of the DML/PYDML program should be output
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<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if explanation should be output, <code>false</code>
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<pre>public&nbsp;void&nbsp;setExplain(boolean&nbsp;explain)</pre>
<div class="block">Whether or not an explanation of the DML/PYDML program should be output
to standard output.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>explain</code> - <code>true</code> if explanation should be output, <code>false</code> otherwise</dd>
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<dd><code>lineage</code> - <code>true</code> if lineage should be traced, <code>false</code> otherwise</dd>
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<div class="block">Obtain whether or not all values should be maintained in the symbol table
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<dd><code>true</code> if all values should be maintained in the symbol
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<div class="block">Set whether or not all values should be maintained in the symbol table
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<div class="block">Set the level of program explanation that should be displayed if explain
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<div class="block">Whether or not to use (an available) GPU on the driver node. If a GPU is
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available, and the GPU mode is set or if available memory on GPU is less,
SystemDS will crash when the program is run.</div>
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<div class="block">Whether or not statistics of the DML/PYDML program execution should be
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<dd><code>true</code> if statistics should be output, <code>false</code>
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<div class="block">Whether or not statistics of the DML/PYDML program execution should be
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<dt><span class="paramLabel">Parameters:</span></dt>
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of the statistics.</div>
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<div class="block">Obtain the current execution environment.</div>
<dl>
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<h4>setExecutionType</h4>
<pre>public&nbsp;void&nbsp;setExecutionType(<a href="../../../../../org/apache/sysds/api/mlcontext/MLContext.ExecutionType.html" title="enum in org.apache.sysds.api.mlcontext">MLContext.ExecutionType</a>&nbsp;executionType)</pre>
<div class="block">Set the execution environment.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>executionType</code> - the execution environment</dd>
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