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Performance of Villager AI vs others - where is the bottleneck?


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I'm creating a new type of villager with performance in mind, the goal is to have at least 50 villager entities loaded nearby without causing significant frame drops. I've noticed that if I have 50 villagers loaded in a village vs 50 creepers, performance is hardest hit with the former. I think this might have to do with the fact each villager is constantly looking for new paths, searching hash tables, etc, but is pathfinding really that expensive an operation, or is there something else?

I have a decent CPU+RAM (Ryzen 5 2600x with 16GB of DDR4 2933 memory) and loading 50 villagers causes the game to drop up to 20 frames. Of course it'd get worse on lower end hardware or the more villagers I spawn.

Edited by Turtledove
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