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| <h1><a href="DistributedEngine$.html" title="Go to companion">DistributedEngine</a></h1> |
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| <span class="modifier"></span> |
| <span class="kind">trait</span> |
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| <span class="name">DistributedEngine</span><span class="result"> extends <span class="extype" name="scala.AnyRef">AnyRef</span></span> |
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| <div id="comment" class="fullcommenttop"><div class="comment cmt"><p>Abstraction of optimizer/distributed engine</p></div><div class="toggleContainer block"> |
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| <div id="values" class="values members"> |
| <h3>Abstract Value Members</h3> |
| <ol><li name="org.apache.mahout.math.drm.DistributedEngine#allreduceBlock" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="allreduceBlock[K](drm:org.apache.mahout.math.drm.CheckpointedDrm[K],bmf:((Array[K],org.apache.mahout.math.Matrix))=>org.apache.mahout.math.Matrix,rf:(org.apache.mahout.math.Matrix,org.apache.mahout.math.Matrix)=>org.apache.mahout.math.Matrix):org.apache.mahout.math.Matrix"></a> |
| <a id="allreduceBlock[K](CheckpointedDrm[K],((Array[K],Matrix))⇒Matrix,(Matrix,Matrix)⇒Matrix):Matrix"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">allreduceBlock</span><span class="tparams">[<span name="K">K</span>]</span><span class="params">(<span name="drm">drm: <a href="CheckpointedDrm.html" class="extype" name="org.apache.mahout.math.drm.CheckpointedDrm">CheckpointedDrm</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.allreduceBlock.K">K</span>]</span>, <span name="bmf">bmf: ((<span class="extype" name="scala.Array">Array</span>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.allreduceBlock.K">K</span>], <span class="extype" name="org.apache.mahout.math.Matrix">Matrix</span>)) ⇒ <span class="extype" name="org.apache.mahout.math.Matrix">Matrix</span></span>, <span name="rf">rf: (<span class="extype" name="org.apache.mahout.math.Matrix">Matrix</span>, <span class="extype" name="org.apache.mahout.math.Matrix">Matrix</span>) ⇒ <span class="extype" name="org.apache.mahout.math.Matrix">Matrix</span></span>)</span><span class="result">: <span class="extype" name="org.apache.mahout.math.Matrix">Matrix</span></span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Optional engine-specific all reduce tensor operation.</p> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#colMeans" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="colMeans[K](drm:org.apache.mahout.math.drm.CheckpointedDrm[K]):org.apache.mahout.math.Vector"></a> |
| <a id="colMeans[K](CheckpointedDrm[K]):Vector"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">colMeans</span><span class="tparams">[<span name="K">K</span>]</span><span class="params">(<span name="drm">drm: <a href="CheckpointedDrm.html" class="extype" name="org.apache.mahout.math.drm.CheckpointedDrm">CheckpointedDrm</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.colMeans.K">K</span>]</span>)</span><span class="result">: <span class="extype" name="org.apache.mahout.math.Vector">Vector</span></span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Engine-specific colMeans implementation based on a checkpoint.</p> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#colSums" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="colSums[K](drm:org.apache.mahout.math.drm.CheckpointedDrm[K]):org.apache.mahout.math.Vector"></a> |
| <a id="colSums[K](CheckpointedDrm[K]):Vector"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">colSums</span><span class="tparams">[<span name="K">K</span>]</span><span class="params">(<span name="drm">drm: <a href="CheckpointedDrm.html" class="extype" name="org.apache.mahout.math.drm.CheckpointedDrm">CheckpointedDrm</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.colSums.K">K</span>]</span>)</span><span class="result">: <span class="extype" name="org.apache.mahout.math.Vector">Vector</span></span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Engine-specific colSums implementation based on a checkpoint.</p> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#drm2IntKeyed" visbl="pub" data-isabs="true" fullComment="yes" group="Ungrouped"> |
| <a id="drm2IntKeyed[K](drmX:org.apache.mahout.math.drm.DrmLike[K],computeMap:Boolean):(org.apache.mahout.math.drm.DrmLike[Int],Option[org.apache.mahout.math.drm.DrmLike[K]])"></a> |
| <a id="drm2IntKeyed[K](DrmLike[K],Boolean):(DrmLike[Int],Option[DrmLike[K]])"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">drm2IntKeyed</span><span class="tparams">[<span name="K">K</span>]</span><span class="params">(<span name="drmX">drmX: <a href="DrmLike.html" class="extype" name="org.apache.mahout.math.drm.DrmLike">DrmLike</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.drm2IntKeyed.K">K</span>]</span>, <span name="computeMap">computeMap: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">false</span></span>)</span><span class="result">: (<a href="DrmLike.html" class="extype" name="org.apache.mahout.math.drm.DrmLike">DrmLike</a>[<span class="extype" name="scala.Int">Int</span>], <span class="extype" name="scala.Option">Option</span>[<a href="DrmLike.html" class="extype" name="org.apache.mahout.math.drm.DrmLike">DrmLike</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.drm2IntKeyed.K">K</span>]])</span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Convert non-int-keyed matrix to an int-keyed, computing optionally mapping from old keys |
| to row indices in the new one.</p><div class="fullcomment"><div class="comment cmt"><p>Convert non-int-keyed matrix to an int-keyed, computing optionally mapping from old keys |
| to row indices in the new one. The mapping, if requested, is returned as a 1-column matrix. |
| </p></div></div> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#drmBroadcast" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="drmBroadcast(m:org.apache.mahout.math.Matrix)(implicitdc:org.apache.mahout.math.drm.DistributedContext):org.apache.mahout.math.drm.BCast[org.apache.mahout.math.Matrix]"></a> |
| <a id="drmBroadcast(Matrix)(DistributedContext):BCast[Matrix]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">drmBroadcast</span><span class="params">(<span name="m">m: <span class="extype" name="org.apache.mahout.math.Matrix">Matrix</span></span>)</span><span class="params">(<span class="implicit">implicit </span><span name="dc">dc: <a href="DistributedContext.html" class="extype" name="org.apache.mahout.math.drm.DistributedContext">DistributedContext</a></span>)</span><span class="result">: <a href="BCast.html" class="extype" name="org.apache.mahout.math.drm.BCast">BCast</a>[<span class="extype" name="org.apache.mahout.math.Matrix">Matrix</span>]</span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Broadcast support</p> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#drmBroadcast" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="drmBroadcast(v:org.apache.mahout.math.Vector)(implicitdc:org.apache.mahout.math.drm.DistributedContext):org.apache.mahout.math.drm.BCast[org.apache.mahout.math.Vector]"></a> |
| <a id="drmBroadcast(Vector)(DistributedContext):BCast[Vector]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">drmBroadcast</span><span class="params">(<span name="v">v: <span class="extype" name="org.apache.mahout.math.Vector">Vector</span></span>)</span><span class="params">(<span class="implicit">implicit </span><span name="dc">dc: <a href="DistributedContext.html" class="extype" name="org.apache.mahout.math.drm.DistributedContext">DistributedContext</a></span>)</span><span class="result">: <a href="BCast.html" class="extype" name="org.apache.mahout.math.drm.BCast">BCast</a>[<span class="extype" name="org.apache.mahout.math.Vector">Vector</span>]</span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Broadcast support</p> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#drmDfsRead" visbl="pub" data-isabs="true" fullComment="yes" group="Ungrouped"> |
| <a id="drmDfsRead(path:String,parMin:Int)(implicitsc:org.apache.mahout.math.drm.DistributedContext):org.apache.mahout.math.drm.CheckpointedDrm[_]"></a> |
| <a id="drmDfsRead(String,Int)(DistributedContext):CheckpointedDrm[_]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">drmDfsRead</span><span class="params">(<span name="path">path: <span class="extype" name="scala.Predef.String">String</span></span>, <span name="parMin">parMin: <span class="extype" name="scala.Int">Int</span> = <span class="symbol">0</span></span>)</span><span class="params">(<span class="implicit">implicit </span><span name="sc">sc: <a href="DistributedContext.html" class="extype" name="org.apache.mahout.math.drm.DistributedContext">DistributedContext</a></span>)</span><span class="result">: <a href="CheckpointedDrm.html" class="extype" name="org.apache.mahout.math.drm.CheckpointedDrm">CheckpointedDrm</a>[_]</span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Load DRM from hdfs (as in Mahout DRM format).</p><div class="fullcomment"><div class="comment cmt"><p>Load DRM from hdfs (as in Mahout DRM format). |
| <P/></p></div><dl class="paramcmts block"><dt class="param">path</dt><dd class="cmt"><p>The DFS path to load from</p></dd><dt class="param">parMin</dt><dd class="cmt"><p>Minimum parallelism after load (equivalent to #par(min=...)). |
| </p></dd></dl></div> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#drmParallelizeEmpty" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="drmParallelizeEmpty(nrow:Int,ncol:Int,numPartitions:Int)(implicitsc:org.apache.mahout.math.drm.DistributedContext):org.apache.mahout.math.drm.CheckpointedDrm[Int]"></a> |
| <a id="drmParallelizeEmpty(Int,Int,Int)(DistributedContext):CheckpointedDrm[Int]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">drmParallelizeEmpty</span><span class="params">(<span name="nrow">nrow: <span class="extype" name="scala.Int">Int</span></span>, <span name="ncol">ncol: <span class="extype" name="scala.Int">Int</span></span>, <span name="numPartitions">numPartitions: <span class="extype" name="scala.Int">Int</span> = <span class="symbol">10</span></span>)</span><span class="params">(<span class="implicit">implicit </span><span name="sc">sc: <a href="DistributedContext.html" class="extype" name="org.apache.mahout.math.drm.DistributedContext">DistributedContext</a></span>)</span><span class="result">: <a href="CheckpointedDrm.html" class="extype" name="org.apache.mahout.math.drm.CheckpointedDrm">CheckpointedDrm</a>[<span class="extype" name="scala.Int">Int</span>]</span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">This creates an empty DRM with specified number of partitions and cardinality.</p> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#drmParallelizeEmptyLong" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="drmParallelizeEmptyLong(nrow:Long,ncol:Int,numPartitions:Int)(implicitsc:org.apache.mahout.math.drm.DistributedContext):org.apache.mahout.math.drm.CheckpointedDrm[Long]"></a> |
| <a id="drmParallelizeEmptyLong(Long,Int,Int)(DistributedContext):CheckpointedDrm[Long]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">drmParallelizeEmptyLong</span><span class="params">(<span name="nrow">nrow: <span class="extype" name="scala.Long">Long</span></span>, <span name="ncol">ncol: <span class="extype" name="scala.Int">Int</span></span>, <span name="numPartitions">numPartitions: <span class="extype" name="scala.Int">Int</span> = <span class="symbol">10</span></span>)</span><span class="params">(<span class="implicit">implicit </span><span name="sc">sc: <a href="DistributedContext.html" class="extype" name="org.apache.mahout.math.drm.DistributedContext">DistributedContext</a></span>)</span><span class="result">: <a href="CheckpointedDrm.html" class="extype" name="org.apache.mahout.math.drm.CheckpointedDrm">CheckpointedDrm</a>[<span class="extype" name="scala.Long">Long</span>]</span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Creates empty DRM with non-trivial height</p> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#drmParallelizeWithRowIndices" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="drmParallelizeWithRowIndices(m:org.apache.mahout.math.Matrix,numPartitions:Int)(implicitsc:org.apache.mahout.math.drm.DistributedContext):org.apache.mahout.math.drm.CheckpointedDrm[Int]"></a> |
| <a id="drmParallelizeWithRowIndices(Matrix,Int)(DistributedContext):CheckpointedDrm[Int]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">drmParallelizeWithRowIndices</span><span class="params">(<span name="m">m: <span class="extype" name="org.apache.mahout.math.Matrix">Matrix</span></span>, <span name="numPartitions">numPartitions: <span class="extype" name="scala.Int">Int</span> = <span class="symbol">1</span></span>)</span><span class="params">(<span class="implicit">implicit </span><span name="sc">sc: <a href="DistributedContext.html" class="extype" name="org.apache.mahout.math.drm.DistributedContext">DistributedContext</a></span>)</span><span class="result">: <a href="CheckpointedDrm.html" class="extype" name="org.apache.mahout.math.drm.CheckpointedDrm">CheckpointedDrm</a>[<span class="extype" name="scala.Int">Int</span>]</span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Parallelize in-core matrix as the backend engine distributed matrix, using row ordinal indices as data set keys.</p> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#drmParallelizeWithRowLabels" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="drmParallelizeWithRowLabels(m:org.apache.mahout.math.Matrix,numPartitions:Int)(implicitsc:org.apache.mahout.math.drm.DistributedContext):org.apache.mahout.math.drm.CheckpointedDrm[String]"></a> |
| <a id="drmParallelizeWithRowLabels(Matrix,Int)(DistributedContext):CheckpointedDrm[String]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">drmParallelizeWithRowLabels</span><span class="params">(<span name="m">m: <span class="extype" name="org.apache.mahout.math.Matrix">Matrix</span></span>, <span name="numPartitions">numPartitions: <span class="extype" name="scala.Int">Int</span> = <span class="symbol">1</span></span>)</span><span class="params">(<span class="implicit">implicit </span><span name="sc">sc: <a href="DistributedContext.html" class="extype" name="org.apache.mahout.math.drm.DistributedContext">DistributedContext</a></span>)</span><span class="result">: <a href="CheckpointedDrm.html" class="extype" name="org.apache.mahout.math.drm.CheckpointedDrm">CheckpointedDrm</a>[<span class="extype" name="scala.Predef.String">String</span>]</span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Parallelize in-core matrix as the backend engine distributed matrix, using row labels as a data set keys.</p> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#drmSampleKRows" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="drmSampleKRows[K](drmX:org.apache.mahout.math.drm.DrmLike[K],numSamples:Int,replacement:Boolean):org.apache.mahout.math.Matrix"></a> |
| <a id="drmSampleKRows[K](DrmLike[K],Int,Boolean):Matrix"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">drmSampleKRows</span><span class="tparams">[<span name="K">K</span>]</span><span class="params">(<span name="drmX">drmX: <a href="DrmLike.html" class="extype" name="org.apache.mahout.math.drm.DrmLike">DrmLike</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.drmSampleKRows.K">K</span>]</span>, <span name="numSamples">numSamples: <span class="extype" name="scala.Int">Int</span></span>, <span name="replacement">replacement: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">false</span></span>)</span><span class="result">: <span class="extype" name="org.apache.mahout.math.Matrix">Matrix</span></span> |
| </span> |
| </h4> |
| |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#drmSampleRows" visbl="pub" data-isabs="true" fullComment="yes" group="Ungrouped"> |
| <a id="drmSampleRows[K](drmX:org.apache.mahout.math.drm.DrmLike[K],fraction:Double,replacement:Boolean):org.apache.mahout.math.drm.DrmLike[K]"></a> |
| <a id="drmSampleRows[K](DrmLike[K],Double,Boolean):DrmLike[K]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">drmSampleRows</span><span class="tparams">[<span name="K">K</span>]</span><span class="params">(<span name="drmX">drmX: <a href="DrmLike.html" class="extype" name="org.apache.mahout.math.drm.DrmLike">DrmLike</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.drmSampleRows.K">K</span>]</span>, <span name="fraction">fraction: <span class="extype" name="scala.Double">Double</span></span>, <span name="replacement">replacement: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">false</span></span>)</span><span class="result">: <a href="DrmLike.html" class="extype" name="org.apache.mahout.math.drm.DrmLike">DrmLike</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.drmSampleRows.K">K</span>]</span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">(Optional) Sampling operation.</p><div class="fullcomment"><div class="comment cmt"><p>(Optional) Sampling operation. Consistent with Spark semantics of the same.</p></div><dl class="paramcmts block"><dt class="tparam">K</dt><dd class="cmt"></dd><dt class="param">drmX</dt><dd class="cmt"></dd><dt class="param">fraction</dt><dd class="cmt"></dd><dt class="param">replacement</dt><dd class="cmt"></dd><dt>returns</dt><dd class="cmt"><p> |
| </p></dd></dl></div> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#indexedDatasetDFSRead" visbl="pub" data-isabs="true" fullComment="yes" group="Ungrouped"> |
| <a id="indexedDatasetDFSRead(src:String,schema:org.apache.mahout.math.indexeddataset.Schema,existingRowIDs:Option[org.apache.mahout.math.indexeddataset.BiDictionary])(implicitsc:org.apache.mahout.math.drm.DistributedContext):org.apache.mahout.math.indexeddataset.IndexedDataset"></a> |
| <a id="indexedDatasetDFSRead(String,Schema,Option[BiDictionary])(DistributedContext):IndexedDataset"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">indexedDatasetDFSRead</span><span class="params">(<span name="src">src: <span class="extype" name="scala.Predef.String">String</span></span>, <span name="schema">schema: <a href="../indexeddataset/Schema.html" class="extype" name="org.apache.mahout.math.indexeddataset.Schema">Schema</a> = <span class="symbol"><span class="name"><a href="../../../../package.html">DefaultIndexedDatasetReadSchema</a></span></span></span>, <span name="existingRowIDs">existingRowIDs: <span class="extype" name="scala.Option">Option</span>[<a href="../indexeddataset/BiDictionary.html" class="extype" name="org.apache.mahout.math.indexeddataset.BiDictionary">BiDictionary</a>] = <span class="symbol">None</span></span>)</span><span class="params">(<span class="implicit">implicit </span><span name="sc">sc: <a href="DistributedContext.html" class="extype" name="org.apache.mahout.math.drm.DistributedContext">DistributedContext</a></span>)</span><span class="result">: <a href="../indexeddataset/IndexedDataset.html" class="extype" name="org.apache.mahout.math.indexeddataset.IndexedDataset">IndexedDataset</a></span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Load IndexedDataset from text delimited format.</p><div class="fullcomment"><div class="comment cmt"><p>Load IndexedDataset from text delimited format.</p></div><dl class="paramcmts block"><dt class="param">src</dt><dd class="cmt"><p>comma delimited URIs to read from</p></dd><dt class="param">schema</dt><dd class="cmt"><p>defines format of file(s) |
| </p></dd></dl></div> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#indexedDatasetDFSReadElements" visbl="pub" data-isabs="true" fullComment="yes" group="Ungrouped"> |
| <a id="indexedDatasetDFSReadElements(src:String,schema:org.apache.mahout.math.indexeddataset.Schema,existingRowIDs:Option[org.apache.mahout.math.indexeddataset.BiDictionary])(implicitsc:org.apache.mahout.math.drm.DistributedContext):org.apache.mahout.math.indexeddataset.IndexedDataset"></a> |
| <a id="indexedDatasetDFSReadElements(String,Schema,Option[BiDictionary])(DistributedContext):IndexedDataset"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">indexedDatasetDFSReadElements</span><span class="params">(<span name="src">src: <span class="extype" name="scala.Predef.String">String</span></span>, <span name="schema">schema: <a href="../indexeddataset/Schema.html" class="extype" name="org.apache.mahout.math.indexeddataset.Schema">Schema</a> = <span class="defval" name='<span class="name"><a href="../../../../package.html">DefaultIndexedDatasetElementReadSchema</a></span>'>...</span></span>, <span name="existingRowIDs">existingRowIDs: <span class="extype" name="scala.Option">Option</span>[<a href="../indexeddataset/BiDictionary.html" class="extype" name="org.apache.mahout.math.indexeddataset.BiDictionary">BiDictionary</a>] = <span class="symbol">None</span></span>)</span><span class="params">(<span class="implicit">implicit </span><span name="sc">sc: <a href="DistributedContext.html" class="extype" name="org.apache.mahout.math.drm.DistributedContext">DistributedContext</a></span>)</span><span class="result">: <a href="../indexeddataset/IndexedDataset.html" class="extype" name="org.apache.mahout.math.indexeddataset.IndexedDataset">IndexedDataset</a></span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Load IndexedDataset from text delimited format, one element per line</p><div class="fullcomment"><div class="comment cmt"><p>Load IndexedDataset from text delimited format, one element per line</p></div><dl class="paramcmts block"><dt class="param">src</dt><dd class="cmt"><p>comma delimited URIs to read from</p></dd><dt class="param">schema</dt><dd class="cmt"><p>defines format of file(s) |
| </p></dd></dl></div> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#norm" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="norm[K](drm:org.apache.mahout.math.drm.CheckpointedDrm[K]):Double"></a> |
| <a id="norm[K](CheckpointedDrm[K]):Double"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">norm</span><span class="tparams">[<span name="K">K</span>]</span><span class="params">(<span name="drm">drm: <a href="CheckpointedDrm.html" class="extype" name="org.apache.mahout.math.drm.CheckpointedDrm">CheckpointedDrm</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.norm.K">K</span>]</span>)</span><span class="result">: <span class="extype" name="scala.Double">Double</span></span> |
| </span> |
| </h4> |
| |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#numNonZeroElementsPerColumn" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped"> |
| <a id="numNonZeroElementsPerColumn[K](drm:org.apache.mahout.math.drm.CheckpointedDrm[K]):org.apache.mahout.math.Vector"></a> |
| <a id="numNonZeroElementsPerColumn[K](CheckpointedDrm[K]):Vector"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">numNonZeroElementsPerColumn</span><span class="tparams">[<span name="K">K</span>]</span><span class="params">(<span name="drm">drm: <a href="CheckpointedDrm.html" class="extype" name="org.apache.mahout.math.drm.CheckpointedDrm">CheckpointedDrm</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.numNonZeroElementsPerColumn.K">K</span>]</span>)</span><span class="result">: <span class="extype" name="org.apache.mahout.math.Vector">Vector</span></span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Engine-specific numNonZeroElementsPerColumn implementation based on a checkpoint.</p> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#toPhysical" visbl="pub" data-isabs="true" fullComment="yes" group="Ungrouped"> |
| <a id="toPhysical[K](plan:org.apache.mahout.math.drm.DrmLike[K],ch:org.apache.mahout.math.drm.CacheHint.CacheHint)(implicitevidence$2:scala.reflect.ClassTag[K]):org.apache.mahout.math.drm.CheckpointedDrm[K]"></a> |
| <a id="toPhysical[K](DrmLike[K],CacheHint)(ClassTag[K]):CheckpointedDrm[K]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">toPhysical</span><span class="tparams">[<span name="K">K</span>]</span><span class="params">(<span name="plan">plan: <a href="DrmLike.html" class="extype" name="org.apache.mahout.math.drm.DrmLike">DrmLike</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.toPhysical.K">K</span>]</span>, <span name="ch">ch: <a href="CacheHint$.html#CacheHint=org.apache.mahout.math.drm.CacheHint.Value" class="extmbr" name="org.apache.mahout.math.drm.CacheHint.CacheHint">CacheHint</a></span>)</span><span class="params">(<span class="implicit">implicit </span><span name="arg0">arg0: <span class="extype" name="scala.reflect.ClassTag">ClassTag</span>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.toPhysical.K">K</span>]</span>)</span><span class="result">: <a href="CheckpointedDrm.html" class="extype" name="org.apache.mahout.math.drm.CheckpointedDrm">CheckpointedDrm</a>[<span class="extype" name="org.apache.mahout.math.drm.DistributedEngine.toPhysical.K">K</span>]</span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Second optimizer pass.</p><div class="fullcomment"><div class="comment cmt"><p>Second optimizer pass. Translate previously rewritten logical pipeline into physical engine plan.</p></div></div> |
| </li></ol> |
| </div> |
| |
| <div id="values" class="values members"> |
| <h3>Concrete Value Members</h3> |
| <ol><li name="scala.AnyRef#!=" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="!=(x$1:AnyRef):Boolean"></a> |
| <a id="!=(AnyRef):Boolean"></a> |
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| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span title="gt4s: $bang$eq" class="name">!=</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.AnyRef">AnyRef</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="scala.Any#!=" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="!=(x$1:Any):Boolean"></a> |
| <a id="!=(Any):Boolean"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span title="gt4s: $bang$eq" class="name">!=</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.Any">Any</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Any</dd></dl></div> |
| </li><li name="scala.AnyRef###" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="##():Int"></a> |
| <a id="##():Int"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span title="gt4s: $hash$hash" class="name">##</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Int">Int</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div> |
| </li><li name="scala.AnyRef#==" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="==(x$1:AnyRef):Boolean"></a> |
| <a id="==(AnyRef):Boolean"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
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| <span title="gt4s: $eq$eq" class="name">==</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.AnyRef">AnyRef</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="scala.Any#==" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="==(x$1:Any):Boolean"></a> |
| <a id="==(Any):Boolean"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span title="gt4s: $eq$eq" class="name">==</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.Any">Any</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Any</dd></dl></div> |
| </li><li name="scala.Any#asInstanceOf" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="asInstanceOf[T0]:T0"></a> |
| <a id="asInstanceOf[T0]:T0"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">asInstanceOf</span><span class="tparams">[<span name="T0">T0</span>]</span><span class="result">: <span class="extype" name="scala.Any.asInstanceOf.T0">T0</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Any</dd></dl></div> |
| </li><li name="scala.AnyRef#clone" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="clone():Object"></a> |
| <a id="clone():AnyRef"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">clone</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.AnyRef">AnyRef</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected[<a href="../../../../../java$lang.html" class="extype" name="java.lang">java.lang</a>] </dd><dt>Definition Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd> |
| <span class="name">@throws</span><span class="args">(<span> |
| |
| <span class="defval" name="classOf[java.lang.CloneNotSupportedException]">...</span> |
| </span>)</span> |
| |
| </dd></dl></div> |
| </li><li name="scala.AnyRef#eq" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="eq(x$1:AnyRef):Boolean"></a> |
| <a id="eq(AnyRef):Boolean"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">eq</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.AnyRef">AnyRef</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="scala.AnyRef#equals" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="equals(x$1:Any):Boolean"></a> |
| <a id="equals(Any):Boolean"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">equals</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.Any">Any</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div> |
| </li><li name="scala.AnyRef#finalize" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="finalize():Unit"></a> |
| <a id="finalize():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">finalize</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected[<a href="../../../../../java$lang.html" class="extype" name="java.lang">java.lang</a>] </dd><dt>Definition Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd> |
| <span class="name">@throws</span><span class="args">(<span> |
| |
| <span class="symbol">classOf[java.lang.Throwable]</span> |
| </span>)</span> |
| |
| </dd></dl></div> |
| </li><li name="scala.AnyRef#getClass" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="getClass():Class[_]"></a> |
| <a id="getClass():Class[_]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">getClass</span><span class="params">()</span><span class="result">: <span class="extype" name="java.lang.Class">Class</span>[_]</span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div> |
| </li><li name="scala.AnyRef#hashCode" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="hashCode():Int"></a> |
| <a id="hashCode():Int"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">hashCode</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Int">Int</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div> |
| </li><li name="scala.Any#isInstanceOf" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="isInstanceOf[T0]:Boolean"></a> |
| <a id="isInstanceOf[T0]:Boolean"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">isInstanceOf</span><span class="tparams">[<span name="T0">T0</span>]</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Any</dd></dl></div> |
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| <a id="ne(x$1:AnyRef):Boolean"></a> |
| <a id="ne(AnyRef):Boolean"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">ne</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.AnyRef">AnyRef</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="scala.AnyRef#notify" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="notify():Unit"></a> |
| <a id="notify():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">notify</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="scala.AnyRef#notifyAll" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="notifyAll():Unit"></a> |
| <a id="notifyAll():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">notifyAll</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="org.apache.mahout.math.drm.DistributedEngine#optimizerRewrite" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="optimizerRewrite[K](action:org.apache.mahout.math.drm.DrmLike[K])(implicitevidence$1:scala.reflect.ClassTag[K]):org.apache.mahout.math.drm.DrmLike[K]"></a> |
| <a id="optimizerRewrite[K](DrmLike[K])(ClassTag[K]):DrmLike[K]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
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| </span> |
| </h4> |
| <p class="shortcomment cmt">First optimization pass.</p><div class="fullcomment"><div class="comment cmt"><p>First optimization pass. Return physical plan that we can pass to exec(). This rewrite may |
| introduce logical constructs (including engine-specific ones) that user DSL cannot even produce |
| per se. |
| <P></p><p>A particular physical engine implementation may choose to either use the default rewrites or |
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