---
title: MPSNNLossGradientNode
framework: metalperformanceshaders
role: symbol
role_heading: Class
path: metalperformanceshaders/mpsnnlossgradientnode
---

# MPSNNLossGradientNode

## Declaration

```swift
class MPSNNLossGradientNode
```

## Topics

### Initializers

- [init(sourceGradient:sourceImage:labels:gradientState:lossDescriptor:isLabelsGradientFilter:)](metalperformanceshaders/mpsnnlossgradientnode/init(sourcegradient:sourceimage:labels:gradientstate:lossdescriptor:islabelsgradientfilter:).md)
- [init(sourceGradient:sourceImage:labels:weights:gradientState:lossDescriptor:isLabelsGradientFilter:)](metalperformanceshaders/mpsnnlossgradientnode/init(sourcegradient:sourceimage:labels:weights:gradientstate:lossdescriptor:islabelsgradientfilter:)-3rcen.md)
- [init(sourceGradient:sourceImage:labels:weights:gradientState:lossDescriptor:isLabelsGradientFilter:)](metalperformanceshaders/mpsnnlossgradientnode/init(sourcegradient:sourceimage:labels:weights:gradientstate:lossdescriptor:islabelsgradientfilter:)-9eqch.md)
- [init(sources:gradientState:lossDescriptor:isLabelsGradientFilter:)](metalperformanceshaders/mpsnnlossgradientnode/init(sources:gradientstate:lossdescriptor:islabelsgradientfilter:).md)

### Instance Properties

- [delta](metalperformanceshaders/mpsnnlossgradientnode/delta.md)
- [epsilon](metalperformanceshaders/mpsnnlossgradientnode/epsilon.md)
- [isLabelsGradientFilter](metalperformanceshaders/mpsnnlossgradientnode/islabelsgradientfilter.md)
- [labelSmoothing](metalperformanceshaders/mpsnnlossgradientnode/labelsmoothing.md)
- [lossType](metalperformanceshaders/mpsnnlossgradientnode/losstype.md)
- [numberOfClasses](metalperformanceshaders/mpsnnlossgradientnode/numberofclasses.md)
- [propertyCallBack](metalperformanceshaders/mpsnnlossgradientnode/propertycallback.md)
- [reduceAcrossBatch](metalperformanceshaders/mpsnnlossgradientnode/reduceacrossbatch.md)
- [reductionType](metalperformanceshaders/mpsnnlossgradientnode/reductiontype.md)
- [weight](metalperformanceshaders/mpsnnlossgradientnode/weight.md)

## Relationships

### Inherits From

- [MPSNNGradientFilterNode](metalperformanceshaders/mpsnngradientfilternode.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)