# Low

> 25% of the allowed CPU threads are used as worker threads.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Rendering](/engine/6000.5/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
Low = 25
```

### Remarks

25% of the total number of allowed logical CPU cores are populated with Enlighten Realtime Global Illumination worker threads. Additional Resources: [TierSettings.realtimeGICPUUsage](/engine/6000.5/script-reference/unityeditor/rendering/tiersettings/realtimegicpuusage.md).