aivika-4.2: A multi-paradigm simulation library

CopyrightCopyright (c) 2009-2015, David Sorokin <david.sorokin@gmail.com>
LicenseBSD3
MaintainerDavid Sorokin <david.sorokin@gmail.com>
Stabilityexperimental
Safe HaskellNone
LanguageHaskell2010

Simulation.Aivika.Results.Transform

Contents

Description

Tested with: GHC 7.10.1

The module defines useful result transformations that can be used in simulation experiments.

Synopsis

Basic Class Type

class ResultTransformer a where Source

Something that can transform the results.

Methods

tr :: a -> ResultTransform Source

Return the result transform.

Instances

Sampling Statistics

newtype SamplingStats Source

Represents a statistics based upon observations.

Constructors

SamplingStats ResultTransform 

Instances

samplingStatsCount :: SamplingStats -> ResultTransform Source

The total number of samples.

samplingStatsMin :: SamplingStats -> ResultTransform Source

The minimum value among the samples.

samplingStatsMax :: SamplingStats -> ResultTransform Source

The maximum value among the samples.

samplingStatsMean :: SamplingStats -> ResultTransform Source

The average value.

samplingStatsMean2 :: SamplingStats -> ResultTransform Source

The average square value.

samplingStatsVariance :: SamplingStats -> ResultTransform Source

Return tha variance.

samplingStatsDeviation :: SamplingStats -> ResultTransform Source

Return the deviation.

Time-dependent Statistics

newtype TimingStats Source

The time-dependent statistics.

Constructors

TimingStats ResultTransform 

Instances

timingStatsCount :: TimingStats -> ResultTransform Source

Return the number of samples.

timingStatsMin :: TimingStats -> ResultTransform Source

Return the minimum value.

timingStatsMax :: TimingStats -> ResultTransform Source

Return the maximum value.

timingStatsMean :: TimingStats -> ResultTransform Source

Return the average value.

timingStatsVariance :: TimingStats -> ResultTransform Source

Return the variance.

timingStatsDeviation :: TimingStats -> ResultTransform Source

Return the deviation.

timingStatsMinTime :: TimingStats -> ResultTransform Source

Return the time at which the minimum is attained.

timingStatsMaxTime :: TimingStats -> ResultTransform Source

Return the time at which the maximum is attained.

timingStatsStartTime :: TimingStats -> ResultTransform Source

Return the start time of sampling.

timingStatsLastTime :: TimingStats -> ResultTransform Source

Return the last time of sampling.

timingStatsSum :: TimingStats -> ResultTransform Source

Return the sum of values.

timingStatsSum2 :: TimingStats -> ResultTransform Source

Return the sum of square values.

Sampling-based Counter

newtype SamplingCounter Source

A counter for which the statistics is collected too.

Constructors

SamplingCounter ResultTransform 

Instances

samplingCounterValue :: SamplingCounter -> ResultTransform Source

The counter value.

samplingCounterStats :: SamplingCounter -> SamplingStats Source

The counter statistics.

Time-dependent Counter

newtype TimingCounter Source

A time-dependent counter that collects the statistics too.

Constructors

TimingCounter ResultTransform 

Instances

timingCounterValue :: TimingCounter -> ResultTransform Source

The counter value.

timingCounterStats :: TimingCounter -> TimingStats Source

The counter statistics.

Queue

newtype Queue Source

Represents either finite or infinite queue.

Constructors

Queue ResultTransform 

Instances

enqueueStrategy :: Queue -> ResultTransform Source

The strategy applied to the enqueueing (input) processes when the finite queue is full.

enqueueStoringStrategy :: Queue -> ResultTransform Source

The strategy applied when storing (in memory) items in the queue.

dequeueStrategy :: Queue -> ResultTransform Source

The strategy applied to the dequeueing (output) processes when the queue is empty.

queueNull :: Queue -> ResultTransform Source

Test whether the queue is empty.

queueFull :: Queue -> ResultTransform Source

Test whether the finite queue is full.

queueMaxCount :: Queue -> ResultTransform Source

The finite queue capacity.

queueCount :: Queue -> ResultTransform Source

Return the current queue size.

queueCountStats :: Queue -> TimingStats Source

Return the queue size statistics.

enqueueCount :: Queue -> ResultTransform Source

Return the total number of input items that were enqueued in the finite queue.

enqueueLostCount :: Queue -> ResultTransform Source

Return the number of lost items for the finite queue.

enqueueStoreCount :: Queue -> ResultTransform Source

Return the total number of input items that were stored.

dequeueCount :: Queue -> ResultTransform Source

Return the total number of requests for dequeueing the items, not taking into account the failed attempts to dequeue immediately without suspension.

dequeueExtractCount :: Queue -> ResultTransform Source

Return the total number of output items that were actually dequeued.

queueLoadFactor :: Queue -> ResultTransform Source

Return the load factor: the finite queue size divided by its capacity.

enqueueRate :: Queue -> ResultTransform Source

Return the rate of the input items that were enqueued in the finite queue: how many items per time.

enqueueStoreRate :: Queue -> ResultTransform Source

Return the rate of the items that were stored: how many items per time.

dequeueRate :: Queue -> ResultTransform Source

Return the rate of the requests for dequeueing the items: how many requests per time. It does not include the failed attempts to dequeue immediately without suspension.

dequeueExtractRate :: Queue -> ResultTransform Source

Return the rate of the output items that were dequeued: how many items per time.

queueWaitTime :: Queue -> SamplingStats Source

Return the wait time from the time at which the item was stored in the queue to the time at which it was dequeued.

queueTotalWaitTime :: Queue -> SamplingStats Source

Return the total wait time for the finite queue from the time at which the enqueueing operation was initiated to the time at which the item was dequeued.

enqueueWaitTime :: Queue -> SamplingStats Source

Return the wait time from the time at which the item was stored in the queue to the time at which it was dequeued.

dequeueWaitTime :: Queue -> SamplingStats Source

Return the dequeue wait time from the time at which the item was requested for dequeueing to the time at which it was actually dequeued.

queueRate :: Queue -> ResultTransform Source

Return a long-term average queue rate calculated as the average queue size divided by the average wait time.

Arrival Timer

newtype ArrivalTimer Source

Accumulates the statistics about that how long the arrived events are processed.

Constructors

ArrivalTimer ResultTransform 

Instances

arrivalProcessingTime :: ArrivalTimer -> SamplingStats Source

Return the statistics about that how long the arrived events were processed.

Server

newtype Server Source

It models the server that prodives a service.

Constructors

Server ResultTransform 

Instances

serverInitState :: Server -> ResultTransform Source

The initial state of the server.

serverState :: Server -> ResultTransform Source

Return the current state of the server.

serverTotalInputWaitTime :: Server -> ResultTransform Source

Return the counted total time when the server was locked while awaiting the input.

serverTotalProcessingTime :: Server -> ResultTransform Source

Return the counted total time spent by the server while processing the tasks.

serverTotalOutputWaitTime :: Server -> ResultTransform Source

Return the counted total time when the server was locked while trying to deliver the output.

serverTotalPreemptionTime :: Server -> ResultTransform Source

Return the counted total time spent by the server while it was preempted waiting for the further proceeding.

serverInputWaitTime :: Server -> SamplingStats Source

Return the statistics of the time when the server was locked while awaiting the input.

serverProcessingTime :: Server -> SamplingStats Source

Return the statistics of the time spent by the server while processing the tasks.

serverOutputWaitTime :: Server -> SamplingStats Source

Return the statistics of the time when the server was locked while trying to deliver the output.

serverPreemptionTime :: Server -> SamplingStats Source

Return the statistics of the time spent by the server while it was preempted waiting for the further proceeding.

serverInputWaitFactor :: Server -> ResultTransform Source

It returns the factor changing from 0 to 1, which estimates how often the server was awaiting for the next input task.

serverProcessingFactor :: Server -> ResultTransform Source

It returns the factor changing from 0 to 1, which estimates how often the server was busy with direct processing its tasks.

serverOutputWaitFactor :: Server -> ResultTransform Source

It returns the factor changing from 0 to 1, which estimates how often the server was locked trying to deliver the output after the task is finished.

serverPreemptionFactor :: Server -> ResultTransform Source

It returns the factor changing from 0 to 1, which estimates how often the server was preempted waiting for the further proceeding.

Activity

newtype Activity Source

It models an activity that can be utilised.

Constructors

Activity ResultTransform 

Instances

activityInitState :: Activity -> ResultTransform Source

The initial state of the activity.

activityState :: Activity -> ResultTransform Source

Return the current state of the activity.

activityTotalUtilisationTime :: Activity -> ResultTransform Source

Return the counted total time when the activity was utilised.

activityTotalIdleTime :: Activity -> ResultTransform Source

Return the counted total time when the activity was idle.

activityTotalPreemptionTime :: Activity -> ResultTransform Source

Return the counted total time when the activity was preemted waiting for the further proceeding.

activityUtilisationTime :: Activity -> SamplingStats Source

Return the statistics for the time when the activity was utilised.

activityIdleTime :: Activity -> SamplingStats Source

Return the statistics for the time when the activity was idle.

activityPreemptionTime :: Activity -> SamplingStats Source

Return the statistics for the time when the activity was preempted waiting for the further proceeding.

activityUtilisationFactor :: Activity -> ResultTransform Source

It returns the factor changing from 0 to 1, which estimates how often the activity was utilised.

activityIdleFactor :: Activity -> ResultTransform Source

It returns the factor changing from 0 to 1, which estimates how often the activity was idle.

activityPreemptionFactor :: Activity -> ResultTransform Source

It returns the factor changing from 0 to 1, which estimates how often the activity was preempted waiting for the further proceeding.

Resource

newtype Resource Source

The resource which can be acquired and then released.

Constructors

Resource ResultTransform 

Instances

resourceCount :: Resource -> ResultTransform Source

Return the current available count of the resource.

resourceCountStats :: Resource -> TimingStats Source

Return the statistics for the available count of the resource.

resourceUtilisationCount :: Resource -> ResultTransform Source

Return the current utilisation count of the resource.

resourceUtilisationCountStats :: Resource -> TimingStats Source

Return the statistics for the utilisation count of the resource.

resourceQueueCount :: Resource -> ResultTransform Source

Return the current queue length of the resource.

resourceQueueCountStats :: Resource -> TimingStats Source

Return the statistics for the queue length of the resource.

resourceTotalWaitTime :: Resource -> ResultTransform Source

Return the total wait time of the resource.

resourceWaitTime :: Resource -> SamplingStats Source

Return the statistics for the wait time of the resource.