Forge has been one of the most popular modloaders for modpacks for quite some time now. This optimization guide recommends performance-enhancing mods tailored to different Forge versions for your Minecraft server.
Prerequisites
- Follow the general Performance Guide first for universal Minecraft optimizations.
- Ensure Forge is already installed on your server.
- Upload recommended mods to the server's
modsfolder.
Recommended Mods By Version
Forge 1.21.1 And Beyond
- Radium — Optimizes gameplay logic without changing vanilla mechanics.
- FerriteCore — RAM usage reduction through block state and location patches.
- ModernFix — Bug fixes and improved startup time plus memory efficiency.
- Structure Layout Optimizer — Enhanced structure generation speed.
- Krypton — Network and packet delivery optimization.
Forge 1.20.1
- Radium, FerriteCore, ModernFix, Structure Layout Optimizer, Krypton (as above).
- Alternate Current — Optimizes redstone dust by reducing unneeded calculations.
Forge 1.19.2
Includes all 1.20.1 mods plus:
- Starlight — Significantly improves chunk generation and ticking speed.
Forge 1.18.2
Same as 1.19.2 recommendations.
Forge 1.16.5
- Radon — Accelerates chunk generation and ticking.
- RoadRunner — Core gameplay logic optimization without vanilla changes.
- FerriteCore, ModernFix, Structure Layout Optimizer (as above).
- AI Improvements — Reduces CPU overhead from entity logic.
Additional Recommendations
Pre-generating chunks on your server is highly recommended. Use the Spark profiler to diagnose persistent performance issues.