---
title: BNNSOptimizerSGDMomentumVariant
framework: accelerate
role: symbol
role_heading: Structure
path: accelerate/bnnsoptimizersgdmomentumvariant
---

# BNNSOptimizerSGDMomentumVariant

Constants that define SGD momentum variants.

## Declaration

```swift
struct BNNSOptimizerSGDMomentumVariant
```

## Topics

### Momentum Variants

- [init(_:)](accelerate/bnnsoptimizersgdmomentumvariant/init(_:).md)
- [init(rawValue:)](accelerate/bnnsoptimizersgdmomentumvariant/init(rawvalue:).md)
- [rawValue](accelerate/bnnsoptimizersgdmomentumvariant/rawvalue.md)
- [BNNSSGDMomentumVariant0](accelerate/bnnssgdmomentumvariant0.md)
- [BNNSSGDMomentumVariant1](accelerate/bnnssgdmomentumvariant1.md)
- [BNNSSGDMomentumVariant2](accelerate/bnnssgdmomentumvariant2.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)

## See Also

### Optimizers

- [BNNS.AdamOptimizer](accelerate/bnns/adamoptimizer.md)
- [BNNS.AdamWOptimizer](accelerate/bnns/adamwoptimizer.md)
- [BNNS.RMSPropOptimizer](accelerate/bnns/rmspropoptimizer.md)
- [BNNS.SGDMomentumOptimizer](accelerate/bnns/sgdmomentumoptimizer.md)
- [BNNSOptimizer](accelerate/bnnsoptimizer.md)
- [BNNSOptimizerRegularizationFunction](accelerate/bnnsoptimizerregularizationfunction.md)
- [BNNSOptimizerAdamFields](accelerate/bnnsoptimizeradamfields.md)
- [BNNSOptimizerAdamWithClippingFields](accelerate/bnnsoptimizeradamwithclippingfields.md)
- [BNNSOptimizerRMSPropFields](accelerate/bnnsoptimizerrmspropfields.md)
- [BNNSOptimizerRMSPropWithClippingFields](accelerate/bnnsoptimizerrmspropwithclippingfields.md)
- [BNNSOptimizerSGDMomentumFields](accelerate/bnnsoptimizersgdmomentumfields.md)
- [BNNSOptimizerSGDMomentumWithClippingFields](accelerate/bnnsoptimizersgdmomentumwithclippingfields.md)
- [BNNSOptimizerStep(_:_:_:_:_:_:_:)](accelerate/bnnsoptimizerstep(_:_:_:_:_:_:_:).md)
- [BNNSOptimizerFunction](accelerate/bnnsoptimizerfunction.md)