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IDProjectCategoryView StatusDate SubmittedLast Update
0001462Dwarf FortressDwarf Mode -- Flowspublic2010-04-23 12:162011-03-30 13:37
Assigned ToFootkerchief 
PrioritynormalSeveritymajorReproducibilityhave not tried
PlatformDesktopOSWindows XPOS VersionSP 2
Product Version0.31.03 
Target VersionFixed in Version 
Summary0001462: Ice thawing triggers massive lag
DescriptionSo far had this happen only once, might be a stroke of bad luck. Anyway, I had a fort with a large (artificial) body of water that was being filled from the nearby brook. Winter came in and froze the partially-filled lake. Many tiles were just 2/7 or even 1/7 so I expected extra water when thawing happened. However when summer came and the ice thawed, the game froze for a few seconds and then resumed with uncommonly massive lag. My FPS was down from 80 to probably 30 or even less.
I don't know if all the sudden extra water might be to blame, and saving/reloading doesn't seem to make the lag go away.
A detail is that the lake had ramps on its sides, which seem to have been deleted by the buggy ice. I don't know if that might be related.
Steps To ReproduceHave a partially filled lake with ramps on the sides freeze and thaw.
Attached Files

- Relationships
duplicate of 0001899resolvedToady One Game locks up for 30 min during seasonal temperature shift 

-  Notes
Footkerchief (manager)
2010-04-23 12:24
edited on: 2010-04-23 12:24

Do you still have the laggy save? If so, it would be helpful to upload it to [^]

Are you getting any pathfinding problems?

king doom (reporter)
2010-04-26 16:17

I've had several forts where rivers freeze in winter, there is a noticable lock when they thaw as the game calculates water. The ramps thing I actually just submitted a report about, freezing sems to detach them from one z level. In my case it was at the top.

- Issue History
Date Modified Username Field Change
2010-04-23 12:16 Kefka New Issue
2010-04-23 12:24 Footkerchief Note Added: 0004753
2010-04-23 12:24 Footkerchief Note Edited: 0004753 View Revisions
2010-04-23 15:52 Lac Tag Attached: ice
2010-04-26 16:17 king doom Note Added: 0005200
2011-03-30 13:37 Footkerchief Relationship added duplicate of 0001899
2011-03-30 13:37 Footkerchief Status new => resolved
2011-03-30 13:37 Footkerchief Resolution open => duplicate
2011-03-30 13:37 Footkerchief Assigned To => Footkerchief

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