
Modrinth · Minecraft modpack
Rocsu's Vulkanised Performance (RVP)
This modpack helps you to optimize minecraft even for low-end PCs.
Quick answer
Which Rocsu's Vulkanised Performance (RVP) release should I use?
Rocsu's Vulkanised Performance Mountain edition 1.1.2.1 is a complete pack release for 1.21.11 with Fabric 0.19.2. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 52 mods in this pack file.
Pack setup
How should I set up Rocsu's Vulkanised Performance (RVP) for players and a server?
Use Rocsu's Vulkanised Performance Mountain edition 1.1.2.1 as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.
A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.
These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.
What are the server requirements for Rocsu's Vulkanised Performance (RVP)?
Rocsu's Vulkanised Performance Mountain edition 1.1.2.1. Change the pack release and its contents or setup may change too.
The selected pack release is Rocsu's Vulkanised Performance Mountain edition 1.1.2.1. That file is for Minecraft 1.21.11 with Fabric 0.19.2. It contains 52 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.
About this project
What kind of pack is Rocsu's Vulkanised Performance (RVP)?

Welcome to our optimization modpack! This modpack allows you to optimize Minecraft even on computer with a dual-core processor. It requires at least 8 GB of RAM on PC, but you can allocate 1.5–3.5 GB to the game for a smooth experience, Vulkan API 1.2.197+ support, so if it's not supported, this modpack isn't for you.
Editions
Starting with version 1.21.11 (release 1.1.2.1), the project was split into three editions:Dust
A version of the modpack designed for extremely low-end devices and esports players. It removes mods such as Emotecraft, Online Emotes, patpat, freecam, and locator heads. It can run on 500 megabytes of dedicated RAM, but stable operation is not guaranteed.
Base
A balanced modpack edition combining high performance with visual mods and resource packs. You can view the mod list in the "Mods" tab.
Mountain
A modpack edition focused on an optimized approach to visual variety. Mods such as Bobby, Beryl, Tectonik, Cloud Tweaks, and LambDynamicLights have been added, while the Cull Leaves mod has been removed.
System requirements have been updated to 8 GB of RAM on PC for server play and 12–16 GB on PC for single-player, but you can allocate 2.5-5GB for playing, along with 4-6 full-fledged cores of i5-class processor and RTX-series graphics cards for playing at maximum settings, due to the addition of numerous resource-intensive visual mods.

Mods:
Vulkanmod + not enough vulkan:
Porting Minecraft to the Vulkan API.
BadOptimizations:
A comprehensive mod that eliminates minor inefficiencies in the game's code to boost FPS.
Chunky:
Allows you to pre-generate world chunks.
Cull leaves + entity culling + more culling:
Aulling invisible mobs and blocks.
ImmediatelyFast:
Optimizes the rendering of text, fonts, particles, and flat UI elements.
Krypton + Very Many Players:
Optimizes Minecraft's network code, reducing latency (ping) and the load on the internet connection.
Lithium:
Globally optimizes physics, mob AI logic, and chunk processing.
ModernFix + FerriteCore:
Significantly reduce the game's RAM consumption.
Rhenium:
Improves rendering performance.
ThreadTweak:
Adjusts the priorities of CPU threads allocated to Minecraft tasks, eliminating micro-stutters.
Bura:
An experimental mod aimed at improving performance and reducing rendering-related CPU load spikes.
ScalableLux:
Optimization of the game's lighting engine.
MobStack26:
Mod for stacking groups of mobs to optimize large accumulations of them.
Language Reload:
Speeds up in-game language switching and adds a language search function.
Emotecraft + Online Emotes:
Adds the ability for players to use emote animations (dances, greetings) that are visible to others on the server.
Freecam:
Allowing your camera to fly through walls and inspect structures.
AppleSkin:
Visualizes saturation (the hunger bar) and shows how many food points each item restores.
BindCommands:
Allows you to bind the execution of console commands to specific keys.
Crash Assistant:
Helps identify the causes of game crashes by making logs easier to read.
Hold My Items:
Improves the animation or positioning of items held by the player or mobs.
Locator Heads:
Displays players' heads on the radar for easy locating.
PatPat:
A decorative or novelty mod that allows you to "pet" animals or other players.
Ubi Utils:
A modification for viewing other players' game modes and console commands.
Tungsten:
A benchmark-tool for detailed performance assessment.
Cloth Config + Forge Config API Port:
Helper libraries required for the settings menus of other mods to function.
Java arguments
To improve the modpacks's performance, it is recommended to use **Java 25** with the following arguments-XX:+UseZGC -XX:MaxGCPauseMillis=15 -XX:+UseCompactObjectHeaders -XX:-ZUncommit -XX:ZAllocationSpikeTolerance=2.5 -XX:+DisableExplicitGC -XX:+UnlockExperimentalVMOptions
If you have any question, problem or idea, you can write here →https://discord.gg/tQMGVEh59E
Project description from Modrinth.
Mods in Rocsu's Vulkanised Performance Mountain edition 1.1.2.1
Open any mod on Modpacks.ch to check its files and dependencies.
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Rocsu's Vulkanised Performance (RVP) by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Made local changes? Try them in a copied instance before touching a world you care about.
Recent files
Rocsu's Vulkanised Performance (RVP) versions and loaders
Rocsu's Vulkanised Performance Mountain edition 1.1.2.1
11 Aug 2026
Check the 1.21.11 · Fabric setupLooking for an older file? The official Modrinth project page is in Resources.