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# BNNSGraphOptimizationPreference

Constants that describe the compilation optimization preference.

```
struct BNNSGraphOptimizationPreference
```

## Topics

### Initializing an optimization preference structure

### Optimization preferences

[`init(_:)`](/documentation/Accelerate/BNNSGraphOptimizationPreference/init(_:))

Creates a new instance.

[`init(rawValue:)`](/documentation/Accelerate/BNNSGraphOptimizationPreference/init(rawValue:))

Creates a new instance with the specified raw value.

### Instance properties

[`rawValue`](/documentation/Accelerate/BNNSGraphOptimizationPreference/rawValue)

The corresponding value of the raw type.

[`BNNSGraphOptimizationPreferenceIRSize`](/documentation/Accelerate/BNNSGraphOptimizationPreferenceIRSize)

A constant that specifies compilation optimization for smallest graph size on disk.

[`BNNSGraphOptimizationPreferencePerformance`](/documentation/Accelerate/BNNSGraphOptimizationPreferencePerformance)

A constant that specifies compilation optimization for best execution performance.

## Relationships

### Conforms To

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Hashable`](/documentation/Swift/Hashable)

[`Sendable`](/documentation/Swift/Sendable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Equatable`](/documentation/Swift/Equatable)

---

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