---
title: MPSCNNConvolutionGradientNode
framework: metalperformanceshaders
role: symbol
role_heading: Class
path: metalperformanceshaders/mpscnnconvolutiongradientnode
---

# MPSCNNConvolutionGradientNode

A representation of a gradient convolution kernel.

## Declaration

```swift
class MPSCNNConvolutionGradientNode
```

## Topics

### Initializers

- [init(sourceGradient:sourceImage:convolutionGradientState:weights:)](metalperformanceshaders/mpscnnconvolutiongradientnode/init(sourcegradient:sourceimage:convolutiongradientstate:weights:).md)

## Relationships

### Inherits From

- [MPSNNGradientFilterNode](metalperformanceshaders/mpsnngradientfilternode.md)

### Inherited By

- [MPSCNNConvolutionTransposeGradientNode](metalperformanceshaders/mpscnnconvolutiontransposegradientnode.md)
- [MPSCNNFullyConnectedGradientNode](metalperformanceshaders/mpscnnfullyconnectedgradientnode.md)

### Conforms To

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

## See Also

### Convolution Layer Nodes

- [MPSCNNBinaryConvolutionNode](metalperformanceshaders/mpscnnbinaryconvolutionnode.md)
- [MPSCNNConvolutionNode](metalperformanceshaders/mpscnnconvolutionnode.md)
- [MPSCNNConvolutionTransposeNode](metalperformanceshaders/mpscnnconvolutiontransposenode.md)
- [MPSCNNConvolutionGradientStateNode](metalperformanceshaders/mpscnnconvolutiongradientstatenode.md)
- [MPSCNNCrossChannelNormalizationGradientNode](metalperformanceshaders/mpscnncrosschannelnormalizationgradientnode.md)