| Package | Description | 
|---|---|
| org.apache.sysds.runtime.controlprogram.parfor.opt | 
| Class and Description | 
|---|
| CostEstimator Base class for all potential cost estimators
 
 TODO account for shared read-only matrices when computing aggregated stats | 
| CostEstimator.DataFormat | 
| CostEstimator.ExcludeType | 
| CostEstimator.TestMeasure | 
| Optimizer Generic optimizer super class that defines the interface of all implemented optimizers. | 
| Optimizer.CostModelType | 
| Optimizer.PlanInputType | 
| OptimizerRuleBased Rule-Based ParFor Optimizer (time: O(n)):
 
 Applied rule-based rewrites
 - 1) rewrite set data partitioner (incl. | 
| OptNode Internal representation of a plan alternative for program blocks and instructions 
 in order to enable efficient and simple recursive enumeration and plan changes. | 
| OptNode.ExecType | 
| OptNode.NodeType | 
| OptNode.ParamType | 
| OptTree Represents a complete plan of a top-level parfor. | 
| OptTreePlanMapping Helper class for mapping nodes of the internal plan representation to statement blocks and 
 hops / function call statements of a given DML program. | 
| OptTreePlanMappingAbstract | 
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