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| <div class="subTitle">org.apache.sysds.runtime.instructions.spark.data</div> |
| <h2 title="Class PartitionedBroadcast" class="title">Class PartitionedBroadcast<T extends <a href="../../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheBlock.html" title="interface in org.apache.sysds.runtime.controlprogram.caching">CacheBlock</a>></h2> |
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| <li>org.apache.sysds.runtime.instructions.spark.data.PartitionedBroadcast<T></li> |
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| <pre>public class <span class="typeNameLabel">PartitionedBroadcast<T extends <a href="../../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheBlock.html" title="interface in org.apache.sysds.runtime.controlprogram.caching">CacheBlock</a>></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="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre> |
| <div class="block">This class is a wrapper around an array of broadcasts of partitioned matrix/frame blocks, |
| which is required due to 2GB limitations of Spark's broadcast handling. Without this |
| partitioning of <code>Broadcast<PartitionedBlock></code> into <code>Broadcast<PartitionedBlock>[]</code>, |
| we got java.lang.IllegalArgumentException: Size exceeds Integer.MAX_VALUE issue. |
| Despite various jiras, this issue still showed up in Spark 2.1.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../../serialized-form.html#org.apache.sysds.runtime.instructions.spark.data.PartitionedBroadcast">Serialized Form</a></dd> |
| </dl> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#PartitionedBroadcast--">PartitionedBroadcast</a></span>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#PartitionedBroadcast-org.apache.spark.broadcast.Broadcast:A-org.apache.sysds.runtime.meta.DataCharacteristics-">PartitionedBroadcast</a></span>(org.apache.spark.broadcast.Broadcast<<a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBlock.html" title="class in org.apache.sysds.runtime.instructions.spark.data">PartitionedBlock</a><<a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a>>>[] broadcasts, |
| <a href="../../../../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a> dc)</code> </td> |
| </tr> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#computeBlocksPerPartition-long:A-int-">computeBlocksPerPartition</a></span>(long[] dims, |
| int blen)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#computeBlocksPerPartition-long-long-long-">computeBlocksPerPartition</a></span>(long rlen, |
| long clen, |
| long blen)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#destroy--">destroy</a></span>()</code> |
| <div class="block">This method cleanups all underlying broadcasts of a partitioned broadcast, |
| by forward the calls to SparkExecutionContext.cleanupBroadcastVariable.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#getBlock-int:A-">getBlock</a></span>(int[] ix)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#getBlock-int-int-">getBlock</a></span>(int rowIndex, |
| int colIndex)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>org.apache.spark.broadcast.Broadcast<<a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBlock.html" title="class in org.apache.sysds.runtime.instructions.spark.data">PartitionedBlock</a><<a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a>>>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#getBroadcasts--">getBroadcasts</a></span>()</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#getDataCharacteristics--">getDataCharacteristics</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#getNumCols--">getNumCols</a></span>()</code> </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/runtime/instructions/spark/data/PartitionedBroadcast.html#getNumColumnBlocks--">getNumColumnBlocks</a></span>()</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#getNumRowBlocks--">getNumRowBlocks</a></span>()</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#getNumRows--">getNumRows</a></span>()</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html#slice-long-long-long-long-T-">slice</a></span>(long rl, |
| long ru, |
| long cl, |
| long cu, |
| <a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a> block)</code> |
| <div class="block">Utility for slice operations over partitioned matrices, where the index range can cover |
| multiple blocks.</div> |
| </td> |
| </tr> |
| </table> |
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| <h4>PartitionedBroadcast</h4> |
| <pre>public PartitionedBroadcast()</pre> |
| </li> |
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| <a name="PartitionedBroadcast-org.apache.spark.broadcast.Broadcast:A-org.apache.sysds.runtime.meta.DataCharacteristics-"> |
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| <h4>PartitionedBroadcast</h4> |
| <pre>public PartitionedBroadcast(org.apache.spark.broadcast.Broadcast<<a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBlock.html" title="class in org.apache.sysds.runtime.instructions.spark.data">PartitionedBlock</a><<a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a>>>[] broadcasts, |
| <a href="../../../../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a> dc)</pre> |
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| <a name="getBroadcasts--"> |
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| </a> |
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| <h4>getBroadcasts</h4> |
| <pre>public org.apache.spark.broadcast.Broadcast<<a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBlock.html" title="class in org.apache.sysds.runtime.instructions.spark.data">PartitionedBlock</a><<a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a>>>[] getBroadcasts()</pre> |
| </li> |
| </ul> |
| <a name="getNumRows--"> |
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| </a> |
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| <h4>getNumRows</h4> |
| <pre>public long getNumRows()</pre> |
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| <pre>public long getNumCols()</pre> |
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| <h4>getDataCharacteristics</h4> |
| <pre>public <a href="../../../../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a> getDataCharacteristics()</pre> |
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| <h4>computeBlocksPerPartition</h4> |
| <pre>public static int computeBlocksPerPartition(long rlen, |
| long clen, |
| long blen)</pre> |
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| <pre>public static int computeBlocksPerPartition(long[] dims, |
| int blen)</pre> |
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| <pre>public <a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a> getBlock(int rowIndex, |
| int colIndex)</pre> |
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| <pre>public <a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a> getBlock(int[] ix)</pre> |
| </li> |
| </ul> |
| <a name="slice-long-long-long-long-org.apache.sysds.runtime.controlprogram.caching.CacheBlock-"> |
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| <h4>slice</h4> |
| <pre>public <a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a> slice(long rl, |
| long ru, |
| long cl, |
| long cu, |
| <a href="../../../../../../../org/apache/sysds/runtime/instructions/spark/data/PartitionedBroadcast.html" title="type parameter in PartitionedBroadcast">T</a> block)</pre> |
| <div class="block">Utility for slice operations over partitioned matrices, where the index range can cover |
| multiple blocks. The result is always a single result matrix block. All semantics are |
| equivalent to the core matrix block slice operations.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rl</code> - row lower bound</dd> |
| <dd><code>ru</code> - row upper bound</dd> |
| <dd><code>cl</code> - column lower bound</dd> |
| <dd><code>cu</code> - column upper bound</dd> |
| <dd><code>block</code> - block object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>block object</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="destroy--"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>destroy</h4> |
| <pre>public void destroy()</pre> |
| <div class="block">This method cleanups all underlying broadcasts of a partitioned broadcast, |
| by forward the calls to SparkExecutionContext.cleanupBroadcastVariable.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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