(1) build stockpile, set to rubble only, critical priority. (2) build second stockpile, same settings. (3) game FPS drops to a CRAWL.
Framerate returns as soon as the stockpiles are removed. Could it be too many stockpiles? Or perhaps the fact that two are set with exactly the same priority (that's testable). I don't have an extremely large base, nor do i have a large number of other stockpiles, but here's the list, just in case it matters:
5x5, metal only, normal
launch pad, food & silver only, normal
2x6, food only, normal
3 hoppers, critical
Doesn't seem like an extraordinary number of stockpiles, so I'm not sure why adding the ones for rubble drop the FPS into the dirt like that.
I'm unable to reproduce this. Do you still have the save with this bug occurring? If yes, please upload it.
Seems related to
http://ludeon.com/forums/index.php?topic=1852.0
You're right, it is. I'm posted my latest results in your thread, too, which are these:
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I WAS getting major FPS lag when I created a couple debris-only stockpiles. When I quit and restarted, the issue went away, HOWEVER, I'm still getting really weird stuff happening with the stockpiles.
For example, I created one debris-only stockpile, and when I'd set some rocks to haul away, the colonists would deposit the rocks in the stockpile, only to have them show up NEXT TO the stockpile. Then I deleted that one and created another. This time, even though I set the stockpile to critical + debris only, no one would pick up any rocks and haul to the stockpile.
Debris being placed next to a stockpile is a known bug. It's caused by rubble/dirt/sand/blood/grass being on the ground at the site. Having a colonist clean the area is a workaround solution.