Ideas to reduce FPS lag due to the amount of bots on my server?

[Lego lad]

So I am making a classic build to survive server with bot zombies (V8 and normal), but the problem is that at around 20 bots my FPS drops significantly.

Does anyone have any ideas to fix this?

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[Lego lad]

no edit:

apparently spawning 50 horse bots all in the same area doesnt effect my fps very much at all, but zombies do - I dont get it

[Lego lad]

noedit again:

I think i might have found the issue - the static shape bedroom. I placed 50 zombies without the static bedroom and did not lag, but lagged when I loaded the static bedroom and then 50 zombies.

[phflack]

sounds like pathfinding doesn't like static shapes

[Gytyyhgfffff]

it would make sense that the static shapes lag because the static shapes are using the .dts file format which isn't optimized well

[Ducky duck]

Upgrade to a newer CPU that fits in your MB socket.