CurseForge · Minecraft mod

HTP CIT Resewn Optimizer

A client-side performance patch that fixes memory leaks and reduces lag caused by the mod CIT Resewn

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which HTP CIT Resewn Optimizer release should I use?

Updated 8 months ago

Latest stable file htp-citoptimizer-1.0.0.jar

Game version 1.20.1

Loader Fabric

HTP CIT Resewn Optimizer htp-citoptimizer-1.0.0.jar targets 1.20.1 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

Is HTP CIT Resewn Optimizer required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say

Dedicated server Source doesn’t say

Loader for this release Fabric

Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does HTP CIT Resewn Optimizer htp-citoptimizer-1.0.0.jar need?

htp-citoptimizer-1.0.0.jar. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add HTP CIT Resewn Optimizer without breaking your instance.

Built for HTP CIT Resewn Optimizer htp-citoptimizer-1.0.0.jar. Pick another file and the loader, install side or required mods may change.

01
Stick to this file

Use htp-citoptimizer-1.0.0.jar. It targets 1.20.1 with Fabric; another release may have different loader, side or dependency requirements.
02
Bring the mods it needs

This file does not list any required mods. Do not add a library just because a different file uses it.
03
Put it on the correct side

The project page does not say whether this file belongs on the client, dedicated server, or both.
04
Pick the file you checked

Use the “Get this file” button beside htp-citoptimizer-1.0.0.jar. It opens that exact file at the source.

About this project

What does HTP CIT Resewn Optimizer add?

CIT Resewn has two issues in large modpacks. First, it re-evaluates custom item textures every frame even when nothing has changed — this causes unnecessary CPU usage when browsing large inventories or EMI item grids. Second, it leaks over 1 GB of RAM per session by allocating objects into every ItemStack that are never freed.

This is a patch for CIT Resewn

What does HTP CITOptimizer do?

Caches CIT evaluation results so repeat lookups are skipped, and fixes a massive memory leak.

Significantly reduced GC pressure from eliminated per-frame allocations.

Lower CPU usage when browsing large inventories or EMI item grids.

Your client will no longer freeze, crash, or lag after hours of gameplay requiring a restart due to CIT Resewn.

We were experiencing memory climbing steadily until it hits the heap limit causing stutters multiple times per day most noticable when relogging on servers.

Before HTP CITOptimizer:

After HTP CITOptimizer:

Created by the team at https://www.hacktheplanet.now

Project description from CurseForge.

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