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
Field Summary

Fields

Modifier and Type

Field

Description

static final 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

Description

OptimizerHeuristic()
Method Summary

Modifier and Type

Method

Description

Optimizer.CostModelType

getCostModelType()

ParForProgramBlock.POptMode

getOptMode()

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

Class OptimizerHeuristic

Nested Class Summary