apple.metalperformanceshaders.protocol

Interface MPSCNNGroupNormalizationDataSource

All Superinterfaces:

NSCopying

public interface MPSCNNGroupNormalizationDataSource
extends NSCopying

[@protocol] MPSCNNGroupNormalizationDataSource

The MPSCNNGroupNormalizationDataSource protocol declares the methods that an group of MPSCNNGroupNormalization uses to initialize the scale factors (gamma) and bias terms (beta).

Method Summary

Modifier and Type	Method and Description
default boolean	_supportsSecureCoding()
org.moe.natj.general.ptr.FloatPtr	beta() Return a pointer to an array containing the beta terms.
default MPSCNNGroupNormalizationDataSource	copyWithZoneDevice(org.moe.natj.general.ptr.VoidPtr zone, MTLDevice device) Optional copy method to create a copy of the data source for use with a new device.
default void	encodeWithCoder(NSCoder aCoder) Optional NSSecureCoding compatibility.
default float	epsilon() An optional tiny number to use to maintain numerical stability.
org.moe.natj.general.ptr.FloatPtr	gamma() Return a pointer to an array containing the gamma terms.
default MPSCNNGroupNormalizationDataSource	initWithCoder(NSCoder aDecoder) NS_DESIGNATED_INITIALIZER
java.lang.String	label() A label that is transferred to the group normalization filter at init time
long	numberOfFeatureChannels() [@property] The number of feature channels that are normalized.
long	numberOfGroups() [@property] The number of groups used.
void	setNumberOfGroups(long value) [@property] The number of groups used.

Methods inherited from interface apple.foundation.protocol.NSCopying

copyWithZone

Method Detail

beta

org.moe.natj.general.ptr.FloatPtr beta()

Return a pointer to an array containing the beta terms.

Must have numberOfFeatureChannels values since scaling is done per feature channel.

copyWithZoneDevice

default MPSCNNGroupNormalizationDataSource copyWithZoneDevice(org.moe.natj.general.ptr.VoidPtr zone,
                                                              MTLDevice device)

Optional copy method to create a copy of the data source for use with a new device.

Parameters:

zone - The NSZone on which to allocate.

device - The device where the kernel which uses this data source will be used.

Returns:

A pointer to a copy of this data source.

encodeWithCoder

default void encodeWithCoder(NSCoder aCoder)

Optional NSSecureCoding compatibility.

epsilon

default float epsilon()

An optional tiny number to use to maintain numerical stability.

output_image = (input_image - mean[c]) * gamma[c] / sqrt(variance[c] + epsilon) + beta[c]; Defalt value if method unavailable: FLT_MIN

gamma

org.moe.natj.general.ptr.FloatPtr gamma()

Return a pointer to an array containing the gamma terms.

Must have numberOfFeatureChannels values since scaling is done per feature channel.

initWithCoder

default MPSCNNGroupNormalizationDataSource initWithCoder(NSCoder aDecoder)

NS_DESIGNATED_INITIALIZER

label

java.lang.String label()

A label that is transferred to the group normalization filter at init time

Overridden by a MPSCNNGroupNormalizationNode.label if it is non-nil.

numberOfFeatureChannels

long numberOfFeatureChannels()

[@property] The number of feature channels that are normalized.

numberOfGroups

long numberOfGroups()

[@property] The number of groups used.

numberOfFeatureChannels/numberOfGroups channels are normalized together.

setNumberOfGroups

void setNumberOfGroups(long value)

[@property] The number of groups used.

numberOfFeatureChannels/numberOfGroups channels are normalized together.

_supportsSecureCoding

default boolean _supportsSecureCoding()