0000052: Simulation progress stalls in large simulations with Tkenv express mode

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Date Submitted

Last Update

0000052

OMNeT++

runtime / Tkenv

public

2009-03-06 14:30

2009-03-10 11:09

Reporter

baumgart

Assigned To

andras

Priority

normal

Severity

major

Reproducibility

always

Status

resolved

Resolution

fixed

Platform

OS Version

Product Version

4.0rc1

Target Version

Fixed in Version

4.0

Summary

0000052: Simulation progress stalls in large simulations with Tkenv express mode

Description

Due to the new time-based GUI updates in Tkenv fast and express modes, simulation progess with large simulations sometimes stalls.

The problem is, that GUI updates take more time if there are more events / modules in a simulation. With a fixed update interval (e.g. 1000ms default in express mode) complex simulation will stall, if a GUI update takes more time than the update interval. In this case all computational resources are used to for GUI updates and no resources are left for simulation progress.

Probably you should revert update behavior to event-based intervals.

Additional Information

Ubuntu, omnetpp-4.0rc2

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Notes
(0000121) andras (administrator) 2009-03-08 17:32	How about excluding the GUI update time from the time interval calculation? I.e. with 1000ms, the simulation would always execute for 1000ms between two GUI updates, no matter how long GUI updates last.

(0000131) andras (administrator) 2009-03-10 11:09	fixed as described

Issue History
Date Modified	Username	Field	Change
2009-03-06 14:30	baumgart	New Issue
2009-03-06 14:30	baumgart	Assigned To	=> andras
2009-03-08 17:32	andras	Note Added: 0000121
2009-03-10 11:09	andras	Note Added: 0000131
2009-03-10 11:09	andras	Status	new => resolved
2009-03-10 11:09	andras	Fixed in Version	=> 4.0
2009-03-10 11:09	andras	Resolution	open => fixed