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5 FPS. 5 (FIVE)!!! After two weeks of playing with 40-60 at least.
Kind of slow motion movie.

What can cause such effect?
160-height tunnel to magma sea?
40x40x6 designated dig area?
Pets(but most of them already caged)?

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do you want to follow up with your computer's specs, or whether you made any hardware/config changes? – mfg Aug 16 '10 at 12:13
i7 2.80GHz, 12GB RAM etc. Dont think that is hardware problems :) – dmay Aug 16 '10 at 12:37
If it's windows XP running on that box, only using 3.5Gb of that ram, it could well be the hardware.... I presume your running something more up to date. – djsmiley2k Feb 21 '13 at 12:35
up vote 3 down vote accepted

Maybe try this for some FPS-friendly design tricks:

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For this case, problem was in few especially stupid dwarfs who tried to store a lot of items in really far stockpile. just after they finish, FPS was back to norm.

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