ColumnGroupPartitionerStatic (SystemML 0.15.0 API)

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java.lang.Object
- org.apache.sysml.runtime.compress.cocode.ColumnGroupPartitioner
- - org.apache.sysml.runtime.compress.cocode.ColumnGroupPartitionerStatic

public class ColumnGroupPartitionerStatic
extends ColumnGroupPartitioner

Column group partitioning with static distribution heuristic.

Constructor Summary

Constructors
Constructor and Description

ColumnGroupPartitionerStatic()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`List<List<Integer>>`	`partitionColumns(List<Integer> groupCols, HashMap<Integer,PlanningCoCoder.GroupableColInfo> groupColsInfo)` Partitions a list of columns into a list of partitions that contains subsets of columns.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ColumnGroupPartitionerStatic
```
public ColumnGroupPartitionerStatic()
```
- Method Detail
  - partitionColumns
```
public List<List<Integer>> partitionColumns(List<Integer> groupCols,
                                            HashMap<Integer,PlanningCoCoder.GroupableColInfo> groupColsInfo)
```
    Description copied from class: ColumnGroupPartitioner
    
    Partitions a list of columns into a list of partitions that contains subsets of columns. Note that this call must compute a complete and disjoint partitioning.
    
    Specified by:
    
    partitionColumns in class ColumnGroupPartitioner
    
    Parameters:
    
    groupCols - list of columns
    
    groupColsInfo - list of column infos
    
    Returns:
    
    list of partitions (where each partition is a list of columns)