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FerriteCore (Fabric) logo

FerriteCore (Fabric)

Mod

by malte0811

Memory usage optimizations

Type

Mod

CurseForge Downloads

78,509,655

CurseForge ID

459857

Last Updated

Nov 7, 2026

Description

This page is for the Fabric version. If you are looking for the Forge version you can find it here.

This mod reduces the memory usage of Minecraft in a few different ways. A high-level technical description of the changes is available here.

The amount of memory saved will depend on the pack. In version 2.5.9 of All Of Fabric 3 it reduces the RAM usage (heap size) from 1,792 MB to 984 MB.
These values were measured after generating a world with a fixed seed and waiting for two minutes. You may notice that the setup is different from the Forge version, where I compared memory usage at the title screen. This is because Forge populates some caches (which are optimized by FC) before the title screen, while Fabric (and vanilla MC) wait until a world is loaded.

The project picture is a cropped version of this picture.

FAQ

Should I install this on the server or just on the client?

Some optimizations are client-side only, but there are some rather high-impact optimizations that are relevant on the server too. So you should install it on both sides.

Is this compatible with [other mod]?

Most likely yes. The only exception is Hydrogen, which is compatible with all recent FerriteCore versions on Minecraft versions where Hydrogen is officially released. This means that 1.18+ builds are not compatible with Hydrogen, since it has been officially archived and won't receive any releases on these versions.

Compatibility

Mod Loaders

Client Fabric Server

Game Versions

26.1 26.1.1 26.1.2 26.2 26.3

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

Mini PC for self-hosting

Mini PC for Self-Hosting

A low-power box that can sit in a cupboard and run a modded server around the clock.

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Included in Modpacks (728)

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(with cosmetics, fullbright, keystrokes, minimap and more) oopsi! your everyday modpack! (with cosmetics, fullbright, keystrokes, minimap and more) Biomes and Dungeons (BAD) RPG & Magic Biomes and Dungeons (BAD) RPG & Magic MI:Foundation MI:Foundation Cozy Time | Cozy Survival with Quests (MC Cozy 1.21.1) Cozy Time | Cozy Survival with Quests (MC Cozy 1.21.1) Dungeons & Mineshafts: 5th Edition Dungeons & Mineshafts: 5th Edition hold my items (realistic) hold my items (realistic) More Realistic [FABRIC] - 1.21 UPDATE! More Realistic [FABRIC] - 1.21 UPDATE! Cobblemon Jenny Cobblemon Jenny ElysiumCraft Rp ElysiumCraft Rp Nizco's Cobblemon Horizons Nizco's Cobblemon Horizons Remade And Remastered Remade And Remastered Nizco's Cobblemon Adventures Nizco's Cobblemon Adventures BetterFPS BetterFPS Performance+ Performance+ Origination - An Origins Modpack Origination - An Origins Modpack Ultra Distant Horizons Ultra Distant Horizons Newt+ (Sodium Edition) Newt+ (Sodium Edition) Wynncraft Plus [LITE] Wynncraft Plus [LITE] Ryan Cliffords VR Expirence 2! Ryan Cliffords VR Expirence 2! Progress: Create Progress: Create Deez FPS [Vulkan Edition] Deez FPS [Vulkan Edition] Plants vs. Zombies+ | With Plants vs Zombies & More! Plants vs. Zombies+ | With Plants vs Zombies & More! RealCraft RealCraft Cobblemon Dystoria Cobblemon Dystoria Keo vanilla Keo vanilla Forget Me Not Forget Me Not Simply Legacy Simply Legacy [Ck7] Pack de Optimización [Ck7] Pack de Optimización New Simple Mods [FABRIC] - Without Complex Mods! | NEW VERSION! New Simple Mods [FABRIC] - Without Complex Mods! | NEW VERSION! Path of the Ascended Path of the Ascended More Dungeons [FABRIC] - 1.21 UPDATE! More Dungeons [FABRIC] - 1.21 UPDATE! Shewolf's Origins Shewolf's Origins Donut SMP Pack Donut SMP Pack Builder's Paradise - Enhanced Edition (BPEE) Builder's Paradise - Enhanced Edition (BPEE) Christmas Nostalgia Christmas Nostalgia More Biomes [FABRIC] - 1.21 UPDATE! More Biomes [FABRIC] - 1.21 UPDATE! FPS+ FPS+ Otheryia Cobblemon Otheryia Cobblemon Simply Optimized Forked Simply Optimized Forked CobbleKanto - A Cobblemon Adventure CobbleKanto - A Cobblemon Adventure Echoes of the Sift Echoes of the Sift Our Story - Earth 2 (soon) Our Story - Earth 2 (soon) Voxy with Shaders Voxy with Shaders Crackmatica Crackmatica Slime Diaries Slime Diaries [SFP] SUPER FPS FOR POTATOES (1.21.11 Updated) [SFP] SUPER FPS FOR POTATOES (1.21.11 Updated) Create Tycoon Create Tycoon PVP Pack by dihogen PVP Pack by dihogen MTR Operation MTR Operation OptiFinium OptiFinium Stars Optimized Stars Optimized All of Create Fabric All of Create Fabric All You Need - Mods/Textures/Shaders All You Need - Mods/Textures/Shaders Cobblemon Explorers! Cobblemon Explorers! Nirvana - Better Vanilla Nirvana - Better Vanilla Plants vs Zombies Overgrowth Plants vs Zombies Overgrowth Horror Craft - The Immemorial Horror Craft - The Immemorial Cobblemon Dreams Cobblemon Dreams Sebi's Distant Horizons Optimization Pack Sebi's Distant Horizons Optimization Pack PVP Pack [PvP , FPS Boost , Performance , Optimization , Low Latency , Competitive , 26.2 , Modern PVP , pvppack , pvp] PVP Pack [PvP , FPS Boost , Performance , Optimization , Low Latency , Competitive , 26.2 , Modern PVP , pvppack , pvp] SmashMC Cobblemon SmashMC Cobblemon DiosesMC - Enhanced (Unofficial) - ExoTeam DiosesMC - Enhanced (Unofficial) - ExoTeam SparkleFlake's Optimization pack SparkleFlake's Optimization pack Quality of Life - Update (QOL) Quality of Life - Update (QOL) Nvidium Performance (Full) Nvidium Performance (Full) Ben 10 MINEDITION Ben 10 MINEDITION DarkRPG REDUX - RPG with Quests, Magic. Origins, Adventure DarkRPG REDUX - RPG with Quests, Magic. Origins, Adventure Cobblemon PokeOdyssey Cobblemon PokeOdyssey TExperience: Horror + Performance (Fabric) TExperience: Horror + Performance (Fabric) Just Enough Optimization Just Enough Optimization

External Resources

CurseForge Source Code Issues