---
title: preferFastIntersection
framework: metal
role: symbol
role_heading: Type Property
path: metal/mtlaccelerationstructureusage/preferfastintersection
---

# preferFastIntersection

An option that instructs Metal to prioritize building an acceleration structure with better intersection performance.

## Declaration

```swift
static var preferFastIntersection: MTLAccelerationStructureUsage { get }
```

## Discussion

Discussion The acceleration structures you build with this option can increase their build times.

## See Also

### Applying options

- [refit](metal/mtlaccelerationstructureusage/refit.md)
- [preferFastBuild](metal/mtlaccelerationstructureusage/preferfastbuild.md)
- [minimizeMemory](metal/mtlaccelerationstructureusage/minimizememory.md)
- [extendedLimits](metal/mtlaccelerationstructureusage/extendedlimits.md)