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IDProjectCategoryView StatusLast Update
0010399Dwarf FortressPathfindingpublic2017-12-03 10:19
ReporterSyndras Assigned ToLoci  
PriorityhighSeveritymajorReproducibilitysometimes
Status acknowledgedResolutionopen 
OSWindows 7 
Product Version0.44.02 
Summary0010399: Visitors pathing to attack flying animals cause heavy lag.
DescriptionCertain flying creatures will drop my FPS from solid 65~ to anywhere between 1 and 25 usually in the 1-10 range.
Steps To ReproduceHave a group of flying creatures appear in area.
Additional InformationCertain flying creatures cause issues and some don't.
Don't:
Ravens, Giant ravens.
Do:
Buzzards, Peach faced lovebird men/women.
Could be aggressive creatures that cause issues?

They seem to lag when they get near my overground tavern consisting of over 120 human soldiers, perhaps its pathing issues or ranger issues? It lags when they're not shooting.

Could also be the simple hunter lag issue although there are no hunting job cancellations.
Tags0.44.02, lag

Relationships

related to 0009601 resolvedLoci Reproducible crash 

Activities

Syndras

2017-12-01 11:54

reporter   ~0037166

I have disabled all hunters and the issue persists, will try moving tavern underground next.

Syndras

2017-12-03 08:22

reporter   ~0037199

It seems to just be something to do with vast amounts of human soldiers trying to kill the flying creatures although not many are shooting so i guess the melee soldiers are also trying to path.

This isn't necessarily a bug so close it if you wish.

Loci

2017-12-03 08:56

viewer   ~0037202

Last edited: 2017-12-03 09:00

The martial code uses "jump/climb pathing", which is more costly than regular pathing. Perhaps there should be some sort of sanity-check or cool-down when targeting flying creatures.

If you still have the laggy save, please upload it on DFFD ( http://dffd.bay12games.com/ ) and post a link here.

Syndras

2017-12-03 10:19

reporter   ~0037204

http://dffd.bay12games.com/file.php?id=13277

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Issue History

Date Modified Username Field Change
2017-12-01 10:46 Syndras New Issue
2017-12-01 10:56 Syndras Tag Attached: 0.44.02
2017-12-01 10:57 Syndras Tag Attached: lag
2017-12-01 11:54 Syndras Note Added: 0037166
2017-12-03 08:22 Syndras Note Added: 0037199
2017-12-03 08:56 Loci Note Added: 0037202
2017-12-03 08:56 Loci Assigned To => Loci
2017-12-03 08:56 Loci Status new => acknowledged
2017-12-03 08:58 Loci Summary Flying animals cause heavy lag. => Visitors pathing to attack flying animals cause heavy lag.
2017-12-03 09:00 Loci Note Edited: 0037202
2017-12-03 10:19 Syndras Note Added: 0037204
2018-05-08 20:10 Loci Relationship added related to 0009601