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NovaStack Performance Mod is a lightweight optimisation-focused mod for Minecraft 1.21.10 designed to improve performance in entity-heavy situations while keeping vanilla gameplay intact.

The mod primarily focuses on reducing performance impact caused by large numbers of mobs and dropped items.

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🔧 Features

• Reduces unnecessary entity processing in high-density situations
• Lowers CPU usage during heavy mob activity
• Helps improve frame-time consistency in entity-heavy areas
• Designed to work alongside other optimisation mods
• Does not modify rendering behaviour

The mod does not force garbage collection (System.gc()), instead relying on the JVM’s built-in memory management for stability and compatibility.

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📊 Performance Testing

Test Environment

Component	Specification
Minecraft Version	1.21.10 Fabric
CPU	Intel Core Ultra 5 155U
RAM	16GB
GPU	GTX 1050 Ti
World Type	Superflat
Scenario	150–200 zombies in a confined area

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📈 Benchmark Results

Configuration	Average FPS	Difference vs Vanilla	Notes
Vanilla	~177 FPS	Baseline	Default game
NovaStack Performance Mod	~237 FPS	+34%	Entity-focused optimisation
Sodium	~250–350 FPS	Higher	Rendering optimisations
Lithium	~190–230 FPS	Moderate	Game logic optimisations
Sodium + Lithium	~270–380 FPS	Higher	Combined optimisation setup
Sodium + NovaStack Performance Mod	~290–390 FPS	Higher	Rendering + entity optimisation
Sodium + Lithium + NovaStack Performance Mod	~300–410 FPS	Highest	Combined optimisation setup

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📌 Notes

• Results will vary depending on hardware, settings, and installed mods
• Most effective in mob-heavy environments such as farms or grinders
• May have minimal impact in low-entity gameplay scenarios
• Designed to complement other optimisation mods rather than replace them

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Compatibility

Recommended Mods

• Sodium
• Lithium
• FerriteCore

Loader

• Fabric 1.21.10