edit : the fps is normal when i watch the horizon

Mods list :

CodeChickenCore-1.7.10-1.1.5
FpsReducer-mc1.7.10-1.10.3
NotEnoughItems-1.7.10-2.2.32-GTNH
OptiFine_1.7.10_HD_U_E7
roguelike-1.7.10-1.5.3-GTNH
falsepatternlib-mc1.7.10-0.10.6
SpongeMixins-1.5.0
laggoggles-mc1.7.10-4.13.0

Logs :

https://paste.ee/p/ZOsS0

Screenshot :

(normal difficulty)
500 fps with Nei + CodeChickenCore :
https://imgur.com/mJz2TwA.png

(normal difficulty)
1000 fps without Nei :
https://imgur.com/YoJHkwm.png

(normal difficulty)
lag googles fps profiler with Nei + CodeChickenCore :
https://i.imgur.com/PmDXXC7.png

(normal difficulty)
lag googles fps profiler without Nei :
https://imgur.com/IjqkwQR.png

When I use the peaceful difficulty some enemies are blocked and are underground
https://imgur.com/yWGjo55.png

I think the issue come from roguelike dungeon

I think you should enable VSync already.