Implementation of simple wall-clock based monitor. More...
#include <wallclockloadbalancermonitor.h>
Inheritance diagram for oofem::WallClockLoadBalancerMonitor:
Collaboration diagram for oofem::WallClockLoadBalancerMonitor:
Public Member Functions | |
| WallClockLoadBalancerMonitor (EngngModel *em) | |
| LoadBalancerDecisionType | decide (TimeStep *) |
| Returns flag indicating whether rebalancing is necessary; should update node weights as well. More... | |
| virtual IRResultType | initializeFrom (InputRecord *ir) |
| Initializes receiver according to object description stored in input record. More... | |
| virtual const char * | giveClassName () const |
| Returns class name of the receiver. More... | |
| Public Member Functions inherited from oofem::LoadBalancerMonitor | |
| LoadBalancerMonitor (EngngModel *em) | |
| virtual | ~LoadBalancerMonitor () |
| const FloatArray & | giveProcessorWeights () |
| Returns processor weights; the larger weight means more powerful node, sum of weights should equal to one. More... | |
Protected Attributes | |
| double | relWallClockImbalanceTreshold |
| Declares min abs imbalance to perform relative imbalance check. More... | |
| double | absWallClockImbalanceTreshold |
| double | minAbsWallClockImbalanceTreshold |
| int | lbstep |
| The rebalancing done every lbstep. More... | |
| std::list< Range > | perturbedSteps |
| List of steps with perturbed balancing. More... | |
| double | perturbFactor |
| Perturbing factor. More... | |
| IntArray | recoveredSteps |
| list of step at which to performed lb recovery. More... | |
| FloatArray | processingWeights |
| processing weights for lb recovery. More... | |
| Protected Attributes inherited from oofem::LoadBalancerMonitor | |
| EngngModel * | emodel |
| FloatArray | nodeWeights |
| bool | staticNodeWeightFlag |
Additional Inherited Members | |
| Public Types inherited from oofem::LoadBalancerMonitor | |
| enum | LoadBalancerDecisionType { LBD_CONTINUE, LBD_RECOVER } |
Detailed Description
Implementation of simple wall-clock based monitor.
It detect imbalance based on wall clock difference required for solution step on particular nodes. When difference in wall clock solution times is greater than a threshold value, the load migration is performed.
Definition at line 69 of file wallclockloadbalancermonitor.h.
Constructor & Destructor Documentation
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Definition at line 87 of file wallclockloadbalancermonitor.h.
Member Function Documentation
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virtual |
Returns flag indicating whether rebalancing is necessary; should update node weights as well.
Implements oofem::LoadBalancerMonitor.
Definition at line 50 of file wallclockloadbalancermonitor.C.
References absWallClockImbalanceTreshold, oofem::FloatArray::at(), oofem::Element_remote, oofem::LoadBalancerMonitor::emodel, oofem::EngngModelTimer::EMTT_NetComputationalStepTimer, oofem::IntArray::findFirstIndexOf(), oofem::EngngModelTimer::getWtime(), oofem::LoadBalancer::giveDomain(), oofem::Domain::giveElement(), oofem::EngngModel::giveLoadBalancer(), oofem::TimeStep::giveNumber(), oofem::Domain::giveNumberOfElements(), oofem::EngngModel::giveNumberOfProcesses(), oofem::Element::giveParallelMode(), oofem::EngngModel::giveRank(), oofem::IntArray::giveSize(), oofem::EngngModel::giveTimer(), oofem::LoadBalancerMonitor::LBD_CONTINUE, oofem::LoadBalancerMonitor::LBD_RECOVER, lbstep, oofem::max(), oofem::min(), minAbsWallClockImbalanceTreshold, oofem::LoadBalancerMonitor::nodeWeights, OOFEM_ERROR, OOFEM_LOG_RELEVANT, perturbedSteps, perturbFactor, oofem::Element::predictRelativeComputationalCost(), processingWeights, recoveredSteps, relWallClockImbalanceTreshold, and oofem::LoadBalancerMonitor::staticNodeWeightFlag.
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Returns class name of the receiver.
Implements oofem::LoadBalancerMonitor.
Definition at line 98 of file wallclockloadbalancermonitor.h.
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Initializes receiver according to object description stored in input record.
Reimplemented from oofem::LoadBalancerMonitor.
Definition at line 227 of file wallclockloadbalancermonitor.C.
References _IFT_WallClockLoadBalancerMonitor_abswct, _IFT_WallClockLoadBalancerMonitor_lbstep, _IFT_WallClockLoadBalancerMonitor_minwct, _IFT_WallClockLoadBalancerMonitor_perturbedsteps, _IFT_WallClockLoadBalancerMonitor_perturbfactor, _IFT_WallClockLoadBalancerMonitor_processingweights, _IFT_WallClockLoadBalancerMonitor_recoveredsteps, _IFT_WallClockLoadBalancerMonitor_relwct, absWallClockImbalanceTreshold, oofem::IntArray::clear(), oofem::FloatArray::clear(), oofem::IntArray::giveSize(), oofem::FloatArray::giveSize(), oofem::LoadBalancerMonitor::initializeFrom(), IR_GIVE_OPTIONAL_FIELD, lbstep, minAbsWallClockImbalanceTreshold, OOFEM_ERROR, perturbedSteps, perturbFactor, processingWeights, recoveredSteps, and relWallClockImbalanceTreshold.
Member Data Documentation
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Definition at line 73 of file wallclockloadbalancermonitor.h.
Referenced by decide(), and initializeFrom().
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The rebalancing done every lbstep.
Definition at line 75 of file wallclockloadbalancermonitor.h.
Referenced by decide(), and initializeFrom().
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Definition at line 73 of file wallclockloadbalancermonitor.h.
Referenced by decide(), and initializeFrom().
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List of steps with perturbed balancing.
Definition at line 78 of file wallclockloadbalancermonitor.h.
Referenced by decide(), and initializeFrom().
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Perturbing factor.
Definition at line 80 of file wallclockloadbalancermonitor.h.
Referenced by decide(), and initializeFrom().
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processing weights for lb recovery.
Definition at line 84 of file wallclockloadbalancermonitor.h.
Referenced by decide(), and initializeFrom().
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list of step at which to performed lb recovery.
Definition at line 82 of file wallclockloadbalancermonitor.h.
Referenced by decide(), and initializeFrom().
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Declares min abs imbalance to perform relative imbalance check.
Definition at line 73 of file wallclockloadbalancermonitor.h.
Referenced by decide(), and initializeFrom().
The documentation for this class was generated from the following files: