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Add drop-in performance presets tuned for three hardware tiers. Tier targets: - Low: 4GB VRAM/iGPU, 8-16GB RAM - Medium: RX 580-class 8GB, 16-32GB RAM (shipped as pack default) - High: RTX 3060+ 8GB+, 32GB+ RAM Client configs (per tier, presets/<tier>/config/): - sodium-options.json: chunk threads, cpu render-ahead, quality - iris.properties: shaders on/off, max shadow render distance - lambdynlights.toml: dynamic lighting mode + adaptive ticking - entityculling.json: culling tracing distance - cullleaves.json: leaf culling - soundphysics.properties: reverb/ray budget (CPU cost) - flywheel-client.toml: Create backend (BATCHING vs INSTANCING) Server configs (per tier, presets/<tier>/server/): - server.properties: view-distance, sim-distance, players, compression - jvm-flags.txt: heap + G1 GC flags per RAM tier Medium configs also copied to client_pack/config/ so they ship as the mrpack defaults (bundled into overrides/config/). Docs: docs/performance.md + docs/server.md rewritten for three tiers; presets/README.md explains how to apply each tier. Default (Medium) enables shaders with INSTANCING flywheel on the 8GB GPU tier; Low disables shaders + uses BATCHING for maximum FPS on weak GPUs.
70 lines
2.8 KiB
Markdown
70 lines
2.8 KiB
Markdown
# Performance Presets — SCICRAFT
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Three drop-in tiers for client (and server) tuning. The **Medium** tier is the
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pack default — it ships inside the mrpack (`overrides/config/`) and matches a
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Ryzen 5 5600X / 16-32 GB RAM / RX 580 8 GB class machine.
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To use a different tier, copy the files from the matching folder into the
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`.minecraft/config/` directory (client) and the pack's `server/` directory
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(server), then restart.
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## Tier targets
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| Tier | CPU | RAM | GPU | Use case |
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|------|-----|-----|-----|----------|
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| **Low** | 4-core / older | 8-16 GB | 4 GB VRAM or iGPU | Integrated graphics, laptops, weak desktops |
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| **Medium** | 6-8 core (5600X-class) | 16-32 GB | 8 GB VRAM (RX 580-class) | **Default. Balanced 60 FPS.** |
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| **High** | 8+ core | 32 GB+ | 8 GB+ VRAM (RTX 3060+) | High FPS at high render distance / shaders |
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## What's included per tier
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### Client (`presets/<tier>/config/` → `.minecraft/config/`)
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| File | Effect |
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|------|--------|
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| `sodium-options.json` | Terrain renderer: chunk threads, culling, quality |
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| `iris.properties` | Shader loader: on/off, max shadow render distance |
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| `lambdynlights.toml` | Dynamic lighting quality / adaptive ticking |
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| `entityculling.json` | Entity/block-entity culling distance |
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| `cullleaves.json` | Leaf culling on/off |
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| `soundphysics.properties` | Reverb/ray budget (audio CPU cost) |
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| `flywheel-client.toml` | Create/Flywheel render backend (batching vs instancing) |
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> Note: `sodium-mixins.properties` is left at default on all tiers. Hand-editing
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> Sodium mixin flags can cause crashes, so we tune the safe, supported options
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> (`sodium-options.json`) instead.
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### Server (`presets/<tier>/server/`)
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| File | Effect |
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|------|--------|
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| `server.properties` | view-distance, simulation-distance, compression |
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| `jvm-flags.txt` | Recommended JVM heap + GC flags for that RAM tier |
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## Applying a tier (client)
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```bash
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# Example: switch to LOW
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cp -r presets/low/config/* ~/.local/share/PrismLauncher/instances/<instance>/minecraft/config/
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```
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Then restart the game. Shader-pack in-game settings (Complementary) still
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override a few visual options — see `docs/performance.md`.
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## Applying a tier (server)
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```bash
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# Example: switch to LOW
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cp presets/low/server/server.properties server_pack/server.properties
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# use the jvm-flags.txt line when launching
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```
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## Notes
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- **Shaders are disabled on the Low tier** — this is the single biggest FPS win.
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On Low, either play without a shaderpack or use an "Ultra/Performance"
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preset of Complementary with shadows off.
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- **Medium is the shipped default** — the mrpack already contains these configs,
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so players who do nothing get the balanced experience.
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- `enableShaderCompatibleRendering` is on for Mekanism Covers on all tiers so
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covers render correctly with shaders.
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