# Uses of Package
org.apache.sysds.runtime.controlprogram.parfor.opt

- Packages that use org.apache.sysds.runtime.controlprogram.parfor.opt
  Package | Description
  --- | ---
  org.apache.sysds.runtime.controlprogram.parfor.opt |

- Classes in org.apache.sysds.runtime.controlprogram.parfor.opt used by 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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