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# MPSNNTrainableNode

A protocol that defines methods that determine whether and when neural network training parameters are updated.

```
protocol MPSNNTrainableNode : NSObjectProtocol
```

## Relationships

### Conforming Types

[`MPSCNNConvolutionTransposeGradientNode`](/documentation/MetalPerformanceShaders/MPSCNNConvolutionTransposeGradientNode)

[`MPSCNNBinaryConvolutionNode`](/documentation/MetalPerformanceShaders/MPSCNNBinaryConvolutionNode)

[`MPSCNNConvolutionNode`](/documentation/MetalPerformanceShaders/MPSCNNConvolutionNode)

[`MPSCNNBinaryFullyConnectedNode`](/documentation/MetalPerformanceShaders/MPSCNNBinaryFullyConnectedNode)

[`MPSCNNBatchNormalizationNode`](/documentation/MetalPerformanceShaders/MPSCNNBatchNormalizationNode)

[`MPSCNNFullyConnectedGradientNode`](/documentation/MetalPerformanceShaders/MPSCNNFullyConnectedGradientNode)

[`MPSCNNInstanceNormalizationNode`](/documentation/MetalPerformanceShaders/MPSCNNInstanceNormalizationNode)

[`MPSCNNInstanceNormalizationGradientNode`](/documentation/MetalPerformanceShaders/MPSCNNInstanceNormalizationGradientNode)

[`MPSCNNConvolutionGradientNode`](/documentation/MetalPerformanceShaders/MPSCNNConvolutionGradientNode)

[`MPSCNNFullyConnectedNode`](/documentation/MetalPerformanceShaders/MPSCNNFullyConnectedNode)

[`MPSCNNConvolutionTransposeNode`](/documentation/MetalPerformanceShaders/MPSCNNConvolutionTransposeNode)

[`MPSCNNBatchNormalizationGradientNode`](/documentation/MetalPerformanceShaders/MPSCNNBatchNormalizationGradientNode)

[`MPSCNNGroupNormalizationGradientNode`](/documentation/MetalPerformanceShaders/MPSCNNGroupNormalizationGradientNode)

[`MPSCNNGroupNormalizationNode`](/documentation/MetalPerformanceShaders/MPSCNNGroupNormalizationNode)

### Inherits From

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

---

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