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[xellas84]

Just checking in since it's been about 2 years since I last did so... has the FPS rot bug been fixed, or do fortresses that are doing well still eventually degrade to the point of being able to fix and eat a sandwich in the time it takes a dwarf to walk across a room?

[Witty]

FPS death is still alive and well.

[xellas84]

That's too bad, it's probably the single biggest turnoff to the game.  Losing because I did something wrong is one thing, but having the game grind to an effective loss because I did something RIGHT is just unbearable.

[BuGGaTon]

well maybe limit the size of your embark and population cap?  I'm at 90 dwarves, sieges being fended off and my FPS is capped at it's standard rate of 70.

[GhostDwemer]

Also limit your graphical FPS. Dwarf Fortress is limited by memory speed. Asking a single threaded application with no graphics acceleration to shuffle that much data to the graphics card eats up all available memory bandwidth. Dropping the graphic FPS cap from 60 to 30 doubled my fort's FPS from 30 to 60. I don't need the graphics to update 60 times a second, it looks fine at 30. Heck, it looks okay at 10.

Besides limiting embark size and population, you can limit the number of animals, refrain from digging out huge open areas, and don't make things you don't need. Use an atom smasher, magma dump, or DFHack's "autodump" command to get rid of unnecessary things. You can easily keep a fort at 60 FPS forever this way. So, maybe the FPS issue hasn't been fixed in the code, but players have developed workarounds to keep the game playable.

[bluephoenix]

It is not that bad, I have an 11 year old fortress on a 4x4 embark with 140 dwarves and 50 animals and it runs on 35-40 FPS and it has been 40 for the last 6 years.

Also like GhostDwemer said, limit your G_FPS cap in the init file, I personally have it on 15 but other people go as low as 10. It really helps a lot.

[Xinael]

Also limit your graphical FPS. Dwarf Fortress is limited by memory speed. Asking a single threaded application with no graphics acceleration to shuffle that much data to the graphics card eats up all available memory bandwidth. Dropping the graphic FPS cap from 60 to 30 doubled my fort's FPS from 30 to 60. I don't need the graphics to update 60 times a second, it looks fine at 30. Heck, it looks okay at 10.

Besides limiting embark size and population, you can limit the number of animals, refrain from digging out huge open areas, and don't make things you don't need. Use an atom smasher, magma dump, or DFHack's "autodump" command to get rid of unnecessary things. You can easily keep a fort at 60 FPS forever this way. So, maybe the FPS issue hasn't been fixed in the code, but players have developed workarounds to keep the game playable.

Graphics do actually run some things in a separate thread, on some of the render modes, or so I've heard. But your point is valid - graphics FPS supremely doesn't matter. I have graphics FPS on 20.