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@JonnyOThan
Last active November 17, 2025 20:04
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KSP Performance Tips

Performance Tips

  1. install ksp community fixes version 1.37 or later
  2. reduce max physics dt to 0.02 (improves framerate but increases "slow motion" effect)
  3. If you have waterfall, make sure it's at least version 0.10.0
  4. graphics settings: make sure stock antialiasing is off, reflection refresh is low or off, the reflection resolution is reasonable (256 or so), and pixel light count is 8
  5. install deferred rendering
  6. remove known problematic mods: HUDReplacer (1.3.0 or earlier). If using VertexOblateHeightmap, be sure to update kopernicus.
  7. If you're using MJ or KER, close as many windows as you can
  8. use Parallax Continued over Parallax 2
  9. If using DistantObjectEnhancement, make sure it's updated to at least 2.2.1.3

standing offer: if anyone is experiencing bad performance and takes the steps here to get a profile capture and sends it to me, I'll investigate and I'm pretty confident I can make it run faster. I helped vanauklaus double their framerate

https://gist.github.com/gotmachine/d973adcb9ae413386291170fa346d043

@Clayell
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Clayell commented Jun 20, 2025

FAR users may want to check out this issue.

...it was down to EIGHT FPS. Yes, 8. After decoupling. change prefer GPU-disabled and it went up to 98!

It can be fixed by using this PR. A compiled form can be found here.

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