| Package | Description | 
|---|---|
| org.apache.sysds.runtime.controlprogram.parfor.opt | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | OptimizerConstrainedRule-Based ParFor Optimizer (time: O(n)):
 Applied rule-based rewrites:
 - see base class. | 
| class  | OptimizerHeuristicHeuristic ParFor Optimizer: This optimizer extends the rule-based
 optimizer by a time-based cost estimate for execution type decisions. | 
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