# Package org.apache.sysds.hops.cost

- Class Summary
  Class | Description
  --- | ---
  ComputeCost | Class with methods estimating compute costs of operations.
  CostEstimationWrapper |
  CostEstimator |
  CostEstimatorStaticRuntime |
  FederatedCost | Class storing execution cost estimates for federated executions with cost estimates split into different categories such as compute, read, and transfer cost.
  FederatedCostEstimator | Cost estimator for federated executions with methods and constants for going through DML programs to estimate costs.
  HopRel | HopRel provides a representation of the relation between a hop, the cost of setting a given FederatedOutput value, and the input dependency with the given FederatedOutput value.
  VarStats |

- Enum Summary
  Enum | Description
  --- | ---
  CostEstimationWrapper.CostType |