---
title: performance
framework: accelerate
role: symbol
role_heading: Type Property
path: accelerate/bnnsgraph/compileoptions/optimizationpreference-swift.struct/performance
---

# performance

A constant that specifies compilation optimization for best execution performance.

## Declaration

```swift
static var performance: BNNSGraph.CompileOptions.OptimizationPreference { get }
```

## See Also

### Optimization preferences

- [internalRepresentationSize](accelerate/bnnsgraph/compileoptions/optimizationpreference-swift.struct/internalrepresentationsize.md)