Swishing hair, flowing skirts, or the ever popular bouncing boobs. HDT Physics are disabled when pause menus are open, so 'pausing' the game with SkyrimSouls installed will show you what performance you should be getting. is an SKSE plugin that applies the existing Havok physics engine (not generic animations) to other uses in Skyrim. To test if this is affecting you, you can install the mod SkyrimSouls (which makes the game not pause when you open menus that would normally pause the game) and see if your framerate increases (framerate must already be below 60 FPS for it to increase, of course). Its physics are good and it's lightweight. If you want just the body physics then use CBPC. It's also a bit of a performance hog, but it is the item physics mod. Here is a file from HDT archives, not the latest one that Hydrogen has released (v11.11) since the latest dll has different effect to this one. Skyrim LE & SE Mods KleinerEngel94 3BBB UUNP -CBBE SMP-HDT. I love HDT physics, but it's not with decreasing my framerate by as much as 3x, so I'm unfortunately not going to be using it anymore. If you want item and hair (wig) physics, or you want unnecessarily accurate body physics, then you need HDT-SMP. This was making my game nearly unplayable, even with a GTX 1080, but disabling HDT Physics Extensions made my framerate shoot straight up to 60 FPS. Sorry if this is obvious to some people, but having HDT Physics Extensions installed appears to completely destroy performance, even if no HDT mods are installed.

Hdt physics extension for skyrim vr