Fix Stutter: A Simple Diagnosis Map (Shader, CPU, Streaming)
Stutter is a symptom, not a single problem. The fastest way to fix it is to identify the type. Different types have different causes and different solutions.
Three Common Stutter Types
- Shader stutter: short hitches during new effects or new areas.
- CPU stutter: spikes from game logic, background tasks, or scheduling.
- Streaming stutter: asset loading hitches when storage or memory is stressed.
Quick Identification
- If it happens the first time you see an effect, suspect shaders.
- If it happens during busy fights or menus, suspect CPU spikes.
- If it happens while moving fast through the world, suspect streaming.
Fix Order
- Stabilize frametime (cap if needed).
- Reduce background load and overlays during tests.
- Lower one heavy setting at a time to reduce spikes.
- If streaming stutter persists, check storage and free space.
- If shader stutter is the issue, expect improvement after caches build.
The Rule
Do not buy new hardware until you know the stutter type. Diagnosis first, changes second.
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