apple.metalperformanceshaders.protocol

Interface MPSNNLossCallback

All Superinterfaces:

NSCoding, NSCopying, NSSecureCoding

public interface MPSNNLossCallback
extends NSSecureCoding, NSCopying

[@protocol] MPSNNLossCallback

MPSNNLossCallback Defines a callback protocol for @ref MPSNNForwardLossNode and @ref MPSNNLossGradientNode to set the scalar weight value just before encoding the underlying kernels.

Method Summary

Modifier and Type	Method and Description
float	scalarWeightForSourceImageDestinationImage(MPSImage sourceImage, MPSImage destinationImage) Returns the desired loss scaling weight value.

Methods inherited from interface apple.foundation.protocol.NSSecureCoding

_supportsSecureCoding

Methods inherited from interface apple.foundation.protocol.NSCoding

encodeWithCoder, initWithCoder

Methods inherited from interface apple.foundation.protocol.NSCopying

copyWithZone

Method Detail

scalarWeightForSourceImageDestinationImage

float scalarWeightForSourceImageDestinationImage(MPSImage sourceImage,
                                                 MPSImage destinationImage)

Returns the desired loss scaling weight value.

Parameters:

sourceImage - One of the source images in the batch given as a reference.

destinationImage - One of the destination images in the batch given as a reference.

Returns:

The desired scalar weight value.