Unity boot.config multicore fix helps FPS slightly.

Onen your valheim_data folder, in there is a boot.config file, open with notepad / editor.

Add these two lines at the top.

gfx-enable-gfx-jobs=1 gfx-enable-native-gfx-jobs=1

It should look similar to this.

gfx-enable-gfx-jobs=1 gfx-enable-native-gfx-jobs=1 wait-for-native-debugger=0 vr-enabled=0 hdr-display-enabled=0 gc-max-time-slice=3

More CPU usage > More GPU usage > More FPS


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For me this fix helped with dips and stutters and a better average FPS. Max FPS seems to have went from 69 > 74 and will sit near 74 instead of fluctuating and spiking down.
2:13 pm, October 16, 2022
Fallen 0 comments 0 likes

Monokuma replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 1:09:21 pm PDT

My cpu has pretty lame single-core performance, I'll test this out and report back.
2:13 pm, October 16, 2022
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Monokuma replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 1:12:02 pm PDT

Hey this actually boosted me from 45 to 60, thanks!
2:13 pm, October 16, 2022
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mifunE. replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 1:12:11 pm PDT

What does this exactly do? Enable more cores for the engine to use?
2:13 pm, October 16, 2022
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Scourn replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 1:14:16 pm PDT

This fix works well for most unity games. I am not even sure why developers that use unity have not bothered adding this fix in themselves.
2:13 pm, October 16, 2022
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Fallen replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 1:26:46 pm PDT

Originally posted by Monokuma:
Hey this actually boosted me from 45 to 60, thanks!

Awesome!
2:13 pm, October 16, 2022
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Daxtrila replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 1:40:29 pm PDT

Also got a boost... Now I can play on Medium view distance to see stuff with just slight FPS drops (still around 50-60). Thanks!
Edit: Getting over 60 FPS.. didn't expect V-Sync to cause the FPS drops... fml.
2:13 pm, October 16, 2022
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D0m1nant Zer0 replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 2:05:07 pm PDT

Thx bro!!! +40FPS (now 100-105) !!! GREAT!
2:13 pm, October 16, 2022
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KooJo replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 2:08:05 pm PDT

Definitely boosted my FPS but I am still getting random FPS drops :(
2:13 pm, October 16, 2022
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MeGa replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 2:12:11 pm PDT

Very interesting, nice find! Hopefuly if this fix works for lots of ppl devs will include it in some patch
2:13 pm, October 16, 2022
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StingJnr replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 2:43:44 pm PDT

this works great with a 3080 paired with a 5600x. i went from 100 fps to 140
2:13 pm, October 16, 2022
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baby Deer replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 2:51:40 pm PDT

changed it but I'm still getting 8 fps :)
thanks
2:13 pm, October 16, 2022
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Fallen replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 5:51:27 pm PDT

Originally posted by StingJnr:
this works great with a 3080 paired with a 5600x. i went from 100 fps to 140

What a jump!
2:13 pm, October 16, 2022
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bigguy80 replied to Unity boot.config multicore fix helps FPS slightly. February 10, 2021 @ 6:07:42 pm PDT

I got a small boost but I have played with a lot of settings so far. Will have to keep playin, thanks for this.
2:13 pm, October 16, 2022
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