Immersive Weathering: Tweaks
A high performance addon for Immersive Weathering, built to speed up weathering and growth checks, reduce memory usage, and keep your game smoother without changing gameplay behavior ;]
介绍
《▓ Immersive Weathering: Tweaks ▓》
《▒ What It Does ▒》
Immersive Weathering: Tweaks is a lightweight performance addon that makes Immersive Weathering’s area checks, growth processing, and weathering logic a LOT less heavy.
Normally, Immersive Weathering creates a ton of temporary position lists and objects while checking nearby blocks. IWT replaces most of that with reusable packed templates and per-thread scratch buffers.
This substantially reduces memory usage and GC pressure in the affected systems, while also making the actual checks faster.
Quantified API safely prepares the known templates in the background during startup, while the main performance improvement comes from reusing those templates during gameplay.
Same checks, same order, same results. Just faster, lighter, and a lot less wasteful. Simple as that xd
《▒ Performance ▒》
| Metric | Normal IW | With IWT | Gain |
|---|---|---|---|
| Largest area check | 19.736 µs | 10.036 µs | 1.97x faster |
| Memory allocated per check | 15,920 B | 24.46 B | -99.85% |
| 10,000 area checks | 159.2 MB | 0.2446 MB | -99.85% |
| Mean MSPT | 90.949 | 86.252 | -5.16% |
| P95 MSPT | 117.509 | 107.184 | -8.79% |
| TPS under load | 10.991 | 11.504 | +4.67% |
MSPT and TPS results come from paired 180-second Forge stress tests and are directional whole-server results. Exact gains will ofc depend on your hardware, modpack, and how much chaos is happening around the player xd
《▒ Tiny Memory Cost ▒》
IWT keeps around 15.7 KB of shared template data and roughly 4.55 KB of scratch memory per active thread.
So yh, it keeps a few kilobytes around to avoid creating hundreds of megabytes of temporary garbage. Java’s GC can finally breathe a little :DDD
《▒ Compatibility ▒》
Requires: Minecraft 1.20.1, Immersive Weathering 2.0.5, and Quantified API V2.
Supports: Forge and Fabric ofc.
《▒ Licensing ▒》
Licensed under BRSSLA V1.5, free for personal and non-commercial use.
Found a bug, got an idea, or somehow managed to break it? Feel free to report it :]
Developed and Maintained by Admany – BlackRift Studios 2026
常见问题
Immersive Weathering: Tweaks 支持哪些 Minecraft 版本?
Immersive Weathering: Tweaks 支持 Minecraft Java 版 1.20.1–1.20.6,共 6 个版本,可用的加载器:Fabric / Forge。下载时注意选择和你游戏版本一致的文件。
Immersive Weathering: Tweaks 怎么安装?
先用 PCL2 或 HMCL 启动器安装对应版本的 Fabric / Forge,再把下载的 .jar 文件放进游戏目录的 mods 文件夹,重新启动游戏即可。开启了版本隔离的,mods 文件夹在 versions/版本名 下面。运行环境:客户端和服务端都要装。
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