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Severe performance drop with Forge 35.1.4/13


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When I install the current latest (35.1.13) or recommended (35.1.4) version of Forge 1.16.4, my FPS drops from an average of ~150 to ~40, with regular drops below 30.

This is without any mods or resource packs.


Disabling "forgeLightPipelineEnabled" helped a little, the average rose to ~50 with regular spikes above 100, but the regular drops below 30 persisted.

Disabling "forgeCloudsEnabled" made the problem worse (as expected I presume).

Enabling "alwaysSetupTerrainOffThread" made the problem significantly worse, with an average of ~30.

Increasing memory allocation for Minecraft did not help (5GB).



Intel Core i7-9750H

NVIDIA Quadro P2000


The log doesn't look too interesting, but here it is just in case :)

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