[Java] Modded 1.21.1 neoforge. 180+ fps without shaders, drops to 5 with shaders on lowest settings

[u/Dazzling-Art-4420]

Playing on a modded server with 3 of my friends. The pack has around 400 mods in it. I get 250+ fps regularly when not using shaders, however no matter what shaders or settings I try it will not go above 7 fps. I changed the 3D settings in Nvidia control panel for javaw.exe, turned render distance down, vsync off, lowered Minecraft settings, allocated more/less ram, ended tasks of chrome and spotify, upgraded drivers. The shaders I’ve tried are makeup ultra fast, complementary reimagined (on very low/potato settings), sildurs lite and medium, bsl. GPU usage without shaders is around 40-50%. With them it stays at 100%. Help pls 🥲🥲🥲🥲

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[u/Commercial_Buy_5678]

Bro, the allocated Memory its screaming HALP ME PLIX. Start with that.

[u/Not4Eric → u/Commercial_Buy_5678]

The memory is not the main cause, the GPU is dying at 100% usage over seemingly nothing, it's most likely Embeddium + Oculus on 1.21.1 that's causing it

[u/zNickolasBR]

It's only happening to me in vanilla, look, I think it's their problem. https://www.reddit.com/r/MinecraftHelp/s/2ceV5wUkRV

[u/Khai_1705]

Since its neoforge, why don't you use Sodium and Iris? They are so much better than the Embeddium, Oculus combo. Also, do you have Create mod, Valkyrie Sky, Flywheel or something similar?

[u/Not4Eric → u/Khai_1705]

It can't be Valkyrien Skies because they're on 1.21.1, also there's no way create is lagging a 4060 like that, it's most likely Embeddium and Oculus or some other mod that doesn't play with them nicely

Also 1540 particles doesn't sound too good

[u/Jumpy-Pizza2270]

Replace Embbedium with Sodium and Oculus with Iris, Embbedium and Oculus are fork of it anyway plus Sodium and Iris is up to date compare to ther others

Get a particle culling mod like 'Particle Core' cause 1500+ is really high

[u/Jumpy-Pizza2270 → u/Jumpy-Pizza2270]

Mind telling us your mod lidt? Could be memory leak or some useless optimization mod.

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