org.apache.sysds.runtime.controlprogram.parfor.opt

Class OptimizerHeuristic

java.lang.Object

org.apache.sysds.runtime.controlprogram.parfor.opt.Optimizer

org.apache.sysds.runtime.controlprogram.parfor.opt.OptimizerRuleBased

org.apache.sysds.runtime.controlprogram.parfor.opt.OptimizerHeuristic

public class OptimizerHeuristic
extends OptimizerRuleBased

Heuristic ParFor Optimizer: This optimizer extends the rule-based optimizer by a time-based cost estimate for execution type decisions.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.sysds.runtime.controlprogram.parfor.opt.Optimizer

Optimizer.CostModelType, Optimizer.PlanInputType

Field Summary

Fields

Modifier and Type	Field and Description
static double	EXEC_TIME_THRESHOLD

Fields inherited from class org.apache.sysds.runtime.controlprogram.parfor.opt.OptimizerRuleBased

ALLOW_REMOTE_NESTED_PARALLELISM, FUNCTION_UNFOLD_NAMEPREFIX, MAX_REPLICATION_FACTOR_EXPORT, MAX_REPLICATION_FACTOR_PARTITIONING, PAR_K_FACTOR, PAR_K_MR_FACTOR, PROB_SIZE_THRESHOLD_MB, PROB_SIZE_THRESHOLD_PARTITIONING, PROB_SIZE_THRESHOLD_REMOTE

Constructor Summary

Constructors

Constructor and Description
OptimizerHeuristic()

Method Summary

Modifier and Type	Method and Description
Optimizer.CostModelType	getCostModelType()
ParForProgramBlock.POptMode	getOptMode()

Methods inherited from class org.apache.sysds.runtime.controlprogram.parfor.opt.OptimizerRuleBased

allowsBinaryCellPartitions, getPlanInputType, isInMemoryResultMerge, optimize, toMB

Methods inherited from class org.apache.sysds.runtime.controlprogram.parfor.opt.Optimizer

getNumEvaluatedPlans, getNumTotalPlans

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EXEC_TIME_THRESHOLD

public static final double EXEC_TIME_THRESHOLD

See Also:

Constant Field Values

Constructor Detail

OptimizerHeuristic

public OptimizerHeuristic()

Method Detail

getCostModelType

public Optimizer.CostModelType getCostModelType()

Overrides:

getCostModelType in class OptimizerRuleBased

getOptMode

public ParForProgramBlock.POptMode getOptMode()

Overrides:

getOptMode in class OptimizerRuleBased