| Package | Description | 
|---|---|
| org.apache.sysds.runtime.controlprogram.parfor | |
| org.apache.sysds.runtime.util | 
| Class and Description | 
|---|
| DataPartitioner
 This is the base class for all data partitioner. 
 | 
| LocalTaskQueue
 This class provides a way of dynamic task distribution to multiple workers
 in local multi-threaded environments. 
 | 
| ParForBody
 Wrapper for exchanging parfor body data structures. 
 | 
| ParWorker
 Super class for master/worker pattern implementations. 
 | 
| RemoteParForJobReturn
 Wrapper for job return of ParFor REMOTE for transferring statistics and result symbol table. 
 | 
| ResultMerge | 
| ResultMergeMatrix
 Due to independence of all iterations, any result has the following properties:
 (1) non local var, (2) matrix object, and (3) completely independent. 
 | 
| ResultMergeTaggedMatrixIndexes
 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. 
 | 
| Task
 A task is a logical group of one or multiple iterations (each iteration is assigned to exactly one task). 
 | 
| Task.TaskType | 
| TaskPartitioner
 This is the base class for all task partitioner. 
 | 
| TaskPartitionerFactoring
 This factoring task partitioner virtually iterates over the given FOR loop (from, to, incr),
 creates iterations and group them to tasks. 
 | 
| TaskPartitionerFixedsize
 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. 
 | 
| Class and Description | 
|---|
| ParForBody
 Wrapper for exchanging parfor body data structures. 
 | 
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