Astonishingly Swift Vulkan

Name: Astonishingly Swift Vulkan
Price: 8 EUR
Author: yurikohun

A modified version of Astonishingly Swift centered around VulkanMod.

by yurikohun

140 Downloads

0 Followers

fabricMC 1.21.5lightweightoptimization

Rent Astonishingly Swift Vulkan Server

About this Modpack

Astonishingly Swift Vulkan

JAVA 22 OR LATER IS REQUIRED FOR SELECT MODS.

PLEASE USE JAVA 25, WHICH IS PRE-INSTALLED WITH MODRINTH AND CAN BE SELECTED IN INSTANCE SETTINGS.

This is Astonishingly Swift Vulkan. This pack focuses on delivering the best performance, while keeping OptiFine features, like zooming and dynamic lights.

This modpack builds on the Astonishingly Swift modpack, but adding VulkanMod and focusing on mod compatibility. This means that this modpack can't have Sodium for example, but it still performs better in some cases than Astonishingly Swift.

For the best performace, give the pack 4GB(4096MB) or more RAM. Don't give the pack more than half of your RAM capacity.

For the best performance, always use the latest Java available from oracle.com, and set it as the preferred Java installation.

Available Versions

a0.6_VULKANalpha

MC 1.21.5fabric90 downloads

May 27, 2025

a0.5_VULKANalpha

MC 1.21.4fabric50 downloads

May 18, 2025

How to Set Up a Astonishingly Swift Vulkan Server

Order Server

Choose at least 4 GB RAM (6 GB recommended for Astonishingly Swift Vulkan). Based on player count: per 8 players.

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "Astonishingly Swift Vulkan" and click "Install". The fabric loader and Minecraft 1.21.5 are configured automatically.

Start Server & Play

Start the server – all mods are loaded automatically. Share the server IP with friends and play together!

Frequently Asked Questions

Astonishingly Swift Vulkan server crashes or won't start – what to do?

Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 6 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.

How much RAM does a Astonishingly Swift Vulkan server really need?

Minimum 4 GB, recommended 6 GB for stable performance. per 8 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €8/month).

Can I add custom mods to Astonishingly Swift Vulkan without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.5). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.

Astonishingly Swift Vulkan server lagging – performance tips

1) Increase RAM to 6 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.