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# MPSCNNGradientKernel

The base class for gradient layers.

```
class MPSCNNGradientKernel
```

## Relationships

### Inherited By

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

### Conforms To

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

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`Hashable`](/documentation/Swift/Hashable)

[`NSCoding`](/documentation/Foundation/NSCoding)

[`NSCopying`](/documentation/Foundation/NSCopying)

[`CVarArg`](/documentation/Swift/CVarArg)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Equatable`](/documentation/Swift/Equatable)

[`NSSecureCoding`](/documentation/Foundation/NSSecureCoding)

### Inherits From

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

---

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