Increased Heap Allocation
⚪ Last updated 2019⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview
🔍 Analysis
- 👍 5.4% endorsement rate — high engagement, a strong quality signal
- 🏆 #7 of 13 Performance mods in this game by downloads
📋 About This Mod
Increases the initial heap size to 400MB (Vanilla is 200MB).
Heap size is customisable in the INI, capped at 768MB.
Should help reduce lag when opening inventory and pipboy menus.
Included in lStewieAl's Tweaks
Installation
Use Mod Organizer 2/Nexus Mod Manager/FOMM, or manually extract the .zip file into your Fallout 3 'Data' folder.
Credits to RoyBatty
This Fallout 4 performance mod increases the game's initial heap allocation from 200MB to 400MB, similar to NVSE's DefaultHeapInitialAllocMB. It aims to reduce stuttering and improve stability, especially for modded setups. With 1,271 endorsements and 23,643 downloads, it's a popular, simple tweak for players experiencing memory-related issues.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Community-approved with 1,271 endorsements
- Simple tweak that can help with stutter in modded games
- No dependencies, just drop-in and go
⚠️ Cons
- Last updated in 2019, may not be tested with latest game patches
- Only affects initial heap size, not a cure-all for performance issues
- No detailed instructions or troubleshooting provided
For Fallout 4 players who experience stuttering or crashes due to memory allocation, especially those running many mods. If you're a vanilla player with no performance issues, you might not notice a difference. Skip if you're looking for a comprehensive performance overhaul.
💡 Beginner Tips
- Make sure to install the correct version for your game (Fallout 4, not Fallout 4 VR).
- If you use a mod manager, let it handle the file placement to avoid overwriting issues.
- Combine with other performance mods like texture optimizations for best results.
📊 Mod Details
- Game
- Fallout 3 Mods
- Author
- lStewieAl
- Version
- 1.0
- Downloads
- 23,643
- Endorsements
- 1,271
- Category
- Performance
- Created
- 1/8/2019
- Updated
- 1/8/2019
🔧 How to Install Fallout 3 Mods
Download from Nexus.
📖 Full step-by-step install guide for Fallout 3 →
Visit the official mod page for specific installation instructions for this mod.
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