---
title: MPSCNNBinaryConvolutionNode
framework: metalperformanceshaders
role: symbol
role_heading: Class
path: metalperformanceshaders/mpscnnbinaryconvolutionnode
---

# MPSCNNBinaryConvolutionNode

A representation of a convolution kernel with binary weights and an input image using binary approximations.

## Declaration

```swift
class MPSCNNBinaryConvolutionNode
```

## Topics

### Initializers

- [init(source:weights:scaleValue:type:flags:)](metalperformanceshaders/mpscnnbinaryconvolutionnode/init(source:weights:scalevalue:type:flags:).md)
- [MPSCNNConvolutionDataSource](metalperformanceshaders/mpscnnconvolutiondatasource.md)
- [MPSCNNBinaryConvolutionType](metalperformanceshaders/mpscnnbinaryconvolutiontype.md)
- [MPSCNNBinaryConvolutionFlags](metalperformanceshaders/mpscnnbinaryconvolutionflags.md)
- [init(source:weights:outputBiasTerms:outputScaleTerms:inputBiasTerms:inputScaleTerms:type:flags:)](metalperformanceshaders/mpscnnbinaryconvolutionnode/init(source:weights:outputbiasterms:outputscaleterms:inputbiasterms:inputscaleterms:type:flags:).md)

## Relationships

### Inherits From

- [MPSCNNConvolutionNode](metalperformanceshaders/mpscnnconvolutionnode.md)

### Inherited By

- [MPSCNNBinaryFullyConnectedNode](metalperformanceshaders/mpscnnbinaryfullyconnectednode.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

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