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| <h1 title="Package" class="title">Package org.apache.sysds.runtime.controlprogram.parfor</h1> |
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| <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/runtime/controlprogram/parfor/CachedReuseVariables.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">CachedReuseVariables</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/DataPartitioner.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">DataPartitioner</a></td> |
| <td class="colLast"> |
| <div class="block">This is the base class for all data partitioner.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/DataPartitionerLocal.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">DataPartitionerLocal</a></td> |
| <td class="colLast"> |
| <div class="block">Partitions a given matrix into row or column partitions with a two pass-approach.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/DataPartitionerRemoteSpark.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">DataPartitionerRemoteSpark</a></td> |
| <td class="colLast"> |
| <div class="block">MR job class for submitting parfor remote partitioning MR jobs.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/DataPartitionerRemoteSparkMapper.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">DataPartitionerRemoteSparkMapper</a></td> |
| <td class="colLast"> |
| <div class="block">NOTE: for the moment we only support binary block here |
| TODO extend impl for binarycell and textcell |
| |
| Interface of Writable output in order to support both PairWritableBlock and PairWritableCell.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/DataPartitionerRemoteSparkReducer.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">DataPartitionerRemoteSparkReducer</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/LocalParWorker.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">LocalParWorker</a></td> |
| <td class="colLast"> |
| <div class="block">Instances of this class can be used to execute tasks in parallel.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/LocalTaskQueue.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">LocalTaskQueue</a><T></td> |
| <td class="colLast"> |
| <div class="block">This class provides a way of dynamic task distribution to multiple workers |
| in local multi-threaded environments.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/ParForBody.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">ParForBody</a></td> |
| <td class="colLast"> |
| <div class="block">Wrapper for exchanging parfor body data structures.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/ParWorker.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">ParWorker</a></td> |
| <td class="colLast"> |
| <div class="block">Super class for master/worker pattern implementations.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/RemoteDPParForSpark.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">RemoteDPParForSpark</a></td> |
| <td class="colLast"> |
| <div class="block">TODO heavy hitter maintenance |
| TODO data partitioning with binarycell</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/RemoteDPParForSparkWorker.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">RemoteDPParForSparkWorker</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/RemoteParForJobReturn.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">RemoteParForJobReturn</a></td> |
| <td class="colLast"> |
| <div class="block">Wrapper for job return of ParFor REMOTE for transferring statistics and result symbol table.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/RemoteParForSpark.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">RemoteParForSpark</a></td> |
| <td class="colLast"> |
| <div class="block">This class serves two purposes: (1) isolating Spark imports to enable running in |
| environments where no Spark libraries are available, and (2) to follow the same |
| structure as the parfor remote_mr job submission.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/RemoteParForSparkWorker.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">RemoteParForSparkWorker</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/RemoteParForUtils.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">RemoteParForUtils</a></td> |
| <td class="colLast"> |
| <div class="block">Common functionalities for parfor workers in MR jobs.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/ResultMerge.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">ResultMerge</a></td> |
| <td class="colLast"> |
| <div class="block">Due to independence of all iterations, any result has the following properties: |
| (1) non local var, (2) matrix object, and (3) completely independent.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/ResultMergeLocalAutomatic.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">ResultMergeLocalAutomatic</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/ResultMergeLocalFile.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">ResultMergeLocalFile</a></td> |
| <td class="colLast"> |
| <div class="block">TODO potential extension: parallel merge (create individual staging files concurrently) |
| |
| NOTE: file merge typically used due to memory constraints - parallel merge would increase the memory |
| consumption again.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/ResultMergeLocalMemory.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">ResultMergeLocalMemory</a></td> |
| <td class="colLast"> |
| <div class="block">Local in-memory realization of result merge.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/ResultMergeRemoteGrouping.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">ResultMergeRemoteGrouping</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/ResultMergeRemoteSorting.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">ResultMergeRemoteSorting</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/ResultMergeRemoteSpark.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">ResultMergeRemoteSpark</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/ResultMergeRemoteSparkWCompare.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">ResultMergeRemoteSparkWCompare</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/ResultMergeTaggedMatrixIndexes.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">ResultMergeTaggedMatrixIndexes</a></td> |
| <td class="colLast"> |
| <div class="block">This class serves as composite key for the remote result merge job |
| (for any data format) in order to sort on both matrix indexes and tag |
| but group all blocks according to matrix indexes only.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/Task.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">Task</a></td> |
| <td class="colLast"> |
| <div class="block">A task is a logical group of one or multiple iterations (each iteration is assigned to exactly one task).</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitioner.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">TaskPartitioner</a></td> |
| <td class="colLast"> |
| <div class="block">This is the base class for all task partitioner.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitionerFactoring.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">TaskPartitionerFactoring</a></td> |
| <td class="colLast"> |
| <div class="block">This factoring task partitioner virtually iterates over the given FOR loop (from, to, incr), |
| creates iterations and group them to tasks.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitionerFactoringCmax.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">TaskPartitionerFactoringCmax</a></td> |
| <td class="colLast"> |
| <div class="block">Factoring with maximum constraint (e.g., if LIX matrix out-of-core and we need |
| to bound the maximum number of iterations per map task -> memory bounds)</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitionerFactoringCmin.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">TaskPartitionerFactoringCmin</a></td> |
| <td class="colLast"> |
| <div class="block">Factoring with minimum constraint (e.g., if communication is expensive)</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitionerFixedsize.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">TaskPartitionerFixedsize</a></td> |
| <td class="colLast"> |
| <div class="block">This naive task partitioner virtually iterates over the given FOR loop (from, to, incr), |
| creates iterations and group them to tasks according to the given task size.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitionerNaive.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">TaskPartitionerNaive</a></td> |
| <td class="colLast"> |
| <div class="block">This static task partitioner virtually iterates over the given FOR loop (from, to, incr), |
| creates iterations and group them to tasks according to a task size of numIterations/numWorkers.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/TaskPartitionerStatic.html" title="class in org.apache.sysds.runtime.controlprogram.parfor">TaskPartitionerStatic</a></td> |
| <td class="colLast"> |
| <div class="block">This static task partitioner virtually iterates over the given FOR loop (from, to, incr), |
| creates iterations and group them to tasks according to a task size of numIterations/numWorkers.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
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| <caption><span>Enum Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Enum</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/parfor/Task.TaskType.html" title="enum in org.apache.sysds.runtime.controlprogram.parfor">Task.TaskType</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
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