---
title: MPSCNNConvolutionNode
framework: metalperformanceshaders
role: symbol
role_heading: Class
path: metalperformanceshaders/mpscnnconvolutionnode
---

# MPSCNNConvolutionNode

A representation of a convolution kernel.

## Declaration

```swift
class MPSCNNConvolutionNode
```

## Topics

### Initializers

- [init(source:weights:)](metalperformanceshaders/mpscnnconvolutionnode/init(source:weights:).md)
- [MPSCNNConvolutionDataSource](metalperformanceshaders/mpscnnconvolutiondatasource.md)

### Instance Properties

- [accumulatorPrecision](metalperformanceshaders/mpscnnconvolutionnode/accumulatorprecision.md)
- [convolutionGradientState](metalperformanceshaders/mpscnnconvolutionnode/convolutiongradientstate.md)
- [trainingStyle](metalperformanceshaders/mpscnnconvolutionnode/trainingstyle.md)

## Relationships

### Inherits From

- [MPSNNFilterNode](metalperformanceshaders/mpsnnfilternode.md)

### Inherited By

- [MPSCNNBinaryConvolutionNode](metalperformanceshaders/mpscnnbinaryconvolutionnode.md)
- [MPSCNNConvolutionTransposeNode](metalperformanceshaders/mpscnnconvolutiontransposenode.md)
- [MPSCNNFullyConnectedNode](metalperformanceshaders/mpscnnfullyconnectednode.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)
- [MPSCNNConvolutionTransposeNode](metalperformanceshaders/mpscnnconvolutiontransposenode.md)
- [MPSCNNConvolutionGradientNode](metalperformanceshaders/mpscnnconvolutiongradientnode.md)
- [MPSCNNConvolutionGradientStateNode](metalperformanceshaders/mpscnnconvolutiongradientstatenode.md)
- [MPSCNNCrossChannelNormalizationGradientNode](metalperformanceshaders/mpscnncrosschannelnormalizationgradientnode.md)