Bye?Pregen!
Modby moepus
Reduce MSPT spikes and server freezes caused by chunk generation and speed it up.
Type
Mod
CurseForge Downloads
582,324
CurseForge ID
1567378
Last Updated
Sep 27, 2026
Description
ByePregen is a performance optimization mod for Minecraft world generation, optimizing block placement and memory allocations, and introducing compiled execution for Density Functions and Surface Rules, alongside other world-generation optimizations.
Compatibility
Compatible with: C2ME, FastNoise
Incompatible with: Noisium, AntiXRay
Notice: If you are using RTF mod, do NOT install Byepregen and FastNoise together. Please choose only one of them.
Performance
- ~50% lower average exploration lag (MSPT) on vanilla
- 30–70% lower generation-related MSPT across heavily modded modpacks
- Up to +95.2% chunk-generation throughput with Tectonic + WWOO
- Fewer and shorter server freezes during exploration
Recommended Gear
AffiliateHardware and extras that pair well with this mod.
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