apple.metalperformanceshaders

Class MPSRNNSingleGateDescriptor

java.lang.Object

org.moe.natj.general.NativeObject

org.moe.natj.objc.ObjCObject

apple.NSObject

apple.metalperformanceshaders.MPSRNNDescriptor

apple.metalperformanceshaders.MPSRNNSingleGateDescriptor

All Implemented Interfaces:

NSObject

public class MPSRNNSingleGateDescriptor
extends MPSRNNDescriptor

MPSRNNSingleGateDescriptor [@dependency] This depends on Metal.framework

The MPSRNNSingleGateDescriptor specifies a simple recurrent block/layer descriptor. The RNN layer initialized with a MPSRNNSingleGateDescriptor transforms the input data (image or matrix), and previous output with a set of filters, each producing one feature map in the new output data. The user may provide the RNN unit a single input or a sequence of inputs.

Description of operation:

Let x_j be the input data (at time index t of sequence, j index containing quadruplet: batch index, x,y and feature index (x=y=0 for matrices)). Let h0_j be the recurrent input (previous output) data from previous time step (at time index t-1 of sequence). Let h1_i be the output data produced at this time step.

Let W_ij, U_ij be the weights for input and recurrent input data respectively Let b_i be a bias term

Let gi(x) be a neuron activation function

Then the new output image h1_i data is computed as follows:

h1_i = gi( W_ij * x_j + U_ij * h0_j + b_i )

The '*' stands for convolution (see @ref MPSRNNImageInferenceLayer) or matrix-vector/matrix multiplication (see @ref MPSRNNMatrixInferenceLayer). Summation is over index j (except for the batch index), but there is no summation over repeated index i - the output index. Note that for validity all intermediate images have to be of same size and the U matrix has to be square (ie. outputFeatureChannels == inputFeatureChannels in those). Also the bias terms are scalars wrt. spatial dimensions.

Nested Class Summary

Nested classes/interfaces inherited from class apple.NSObject

NSObject.Function_instanceMethodForSelector_ret, NSObject.Function_methodForSelector_ret

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MPSRNNSingleGateDescriptor(org.moe.natj.general.Pointer peer)

Method Summary

Modifier and Type	Method and Description
static boolean	accessInstanceVariablesDirectly()
static MPSRNNSingleGateDescriptor	alloc()
static MPSRNNSingleGateDescriptor	allocWithZone(org.moe.natj.general.ptr.VoidPtr zone)
static boolean	automaticallyNotifiesObserversForKey(java.lang.String key)
static void	cancelPreviousPerformRequestsWithTarget(java.lang.Object aTarget)
static void	cancelPreviousPerformRequestsWithTargetSelectorObject(java.lang.Object aTarget, org.moe.natj.objc.SEL aSelector, java.lang.Object anArgument)
static NSArray<java.lang.String>	classFallbacksForKeyedArchiver()
static org.moe.natj.objc.Class	classForKeyedUnarchiver()
static MPSRNNSingleGateDescriptor	createRNNSingleGateDescriptorWithInputFeatureChannelsOutputFeatureChannels(long inputFeatureChannels, long outputFeatureChannels) Creates a MPSRNNSingleGateDescriptor
static java.lang.String	debugDescription_static()
static java.lang.String	description_static()
static long	hash_static()
MPSRNNSingleGateDescriptor	init()
MPSCNNConvolutionDataSource	inputWeights() [@property] inputWeights
static NSObject.Function_instanceMethodForSelector_ret	instanceMethodForSelector(org.moe.natj.objc.SEL aSelector)
static NSMethodSignature	instanceMethodSignatureForSelector(org.moe.natj.objc.SEL aSelector)
static boolean	instancesRespondToSelector(org.moe.natj.objc.SEL aSelector)
static boolean	isSubclassOfClass(org.moe.natj.objc.Class aClass)
static NSSet<java.lang.String>	keyPathsForValuesAffectingValueForKey(java.lang.String key)
static MPSRNNSingleGateDescriptor	new_objc()
MPSCNNConvolutionDataSource	recurrentWeights() [@property] recurrentWeights
static boolean	resolveClassMethod(org.moe.natj.objc.SEL sel)
static boolean	resolveInstanceMethod(org.moe.natj.objc.SEL sel)
void	setInputWeights(MPSCNNConvolutionDataSource value) [@property] inputWeights
void	setRecurrentWeights(MPSCNNConvolutionDataSource value) [@property] recurrentWeights
static void	setVersion_static(long aVersion)
static org.moe.natj.objc.Class	superclass_static()
static long	version_static()

Methods inherited from class apple.metalperformanceshaders.MPSRNNDescriptor

inputFeatureChannels, layerSequenceDirection, outputFeatureChannels, setInputFeatureChannels, setLayerSequenceDirection, setOutputFeatureChannels, setUseFloat32Weights, setUseLayerInputUnitTransformMode, useFloat32Weights, useLayerInputUnitTransformMode

Methods inherited from class apple.NSObject

accessibilityActivate, accessibilityActivationPoint, accessibilityAssistiveTechnologyFocusedIdentifiers, accessibilityAttributedHint, accessibilityAttributedLabel, accessibilityAttributedUserInputLabels, accessibilityAttributedValue, accessibilityContainerType, accessibilityCustomActions, accessibilityCustomRotors, accessibilityDecrement, accessibilityDragSourceDescriptors, accessibilityDropPointDescriptors, accessibilityElementAtIndex, accessibilityElementCount, accessibilityElementDidBecomeFocused, accessibilityElementDidLoseFocus, accessibilityElementIsFocused, accessibilityElements, accessibilityElementsHidden, accessibilityFrame, accessibilityHint, accessibilityIncrement, accessibilityLabel, accessibilityLanguage, accessibilityNavigationStyle, accessibilityPath, accessibilityPerformEscape, accessibilityPerformMagicTap, accessibilityRespondsToUserInteraction, accessibilityScroll, accessibilityTextualContext, accessibilityTraits, accessibilityUserInputLabels, accessibilityValue, accessibilityViewIsModal, addObserverForKeyPathOptionsContext, attemptRecoveryFromErrorOptionIndex, attemptRecoveryFromErrorOptionIndexDelegateDidRecoverSelectorContextInfo, autoContentAccessingProxy, awakeAfterUsingCoder, awakeFromNib, class_objc, classForCoder, classForKeyedArchiver, copy, dealloc, debugDescription, description, dictionaryWithValuesForKeys, didChangeValueForKey, didChangeValueForKeyWithSetMutationUsingObjects, didChangeValuesAtIndexesForKey, doesNotRecognizeSelector, fileManagerShouldProceedAfterError, fileManagerWillProcessPath, finalize_objc, forwardingTargetForSelector, forwardInvocation, hash, indexOfAccessibilityElement, isAccessibilityElement, isEqual, isKindOfClass, isMemberOfClass, isProxy, methodForSelector, methodSignatureForSelector, mutableArrayValueForKey, mutableArrayValueForKeyPath, mutableCopy, mutableOrderedSetValueForKey, mutableOrderedSetValueForKeyPath, mutableSetValueForKey, mutableSetValueForKeyPath, observationInfo, observeValueForKeyPathOfObjectChangeContext, performSelector, performSelectorInBackgroundWithObject, performSelectorOnMainThreadWithObjectWaitUntilDone, performSelectorOnMainThreadWithObjectWaitUntilDoneModes, performSelectorOnThreadWithObjectWaitUntilDone, performSelectorOnThreadWithObjectWaitUntilDoneModes, performSelectorWithObject, performSelectorWithObjectAfterDelay, performSelectorWithObjectAfterDelayInModes, performSelectorWithObjectWithObject, prepareForInterfaceBuilder, provideImageDataBytesPerRowOrigin_Size_UserInfo, removeObserverForKeyPath, removeObserverForKeyPathContext, replacementObjectForCoder, replacementObjectForKeyedArchiver, respondsToSelector, self, setAccessibilityActivationPoint, setAccessibilityAttributedHint, setAccessibilityAttributedLabel, setAccessibilityAttributedUserInputLabels, setAccessibilityAttributedValue, setAccessibilityContainerType, setAccessibilityCustomActions, setAccessibilityCustomRotors, setAccessibilityDragSourceDescriptors, setAccessibilityDropPointDescriptors, setAccessibilityElements, setAccessibilityElementsHidden, setAccessibilityFrame, setAccessibilityHint, setAccessibilityLabel, setAccessibilityLanguage, setAccessibilityNavigationStyle, setAccessibilityPath, setAccessibilityRespondsToUserInteraction, setAccessibilityTextualContext, setAccessibilityTraits, setAccessibilityUserInputLabels, setAccessibilityValue, setAccessibilityViewIsModal, setIsAccessibilityElement, setNilValueForKey, setObservationInfo, setShouldGroupAccessibilityChildren, setValueForKey, setValueForKeyPath, setValueForUndefinedKey, setValuesForKeysWithDictionary, shouldGroupAccessibilityChildren, superclass, validateValueForKeyError, validateValueForKeyPathError, valueForKey, valueForKeyPath, valueForUndefinedKey, willChangeValueForKey, willChangeValueForKeyWithSetMutationUsingObjects, willChangeValuesAtIndexesForKey

Methods inherited from class org.moe.natj.objc.ObjCObject

equals, toString

Methods inherited from class org.moe.natj.general.NativeObject

finalize, getPeer, getPeerPointer

Methods inherited from class java.lang.Object

clone, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

MPSRNNSingleGateDescriptor

protected MPSRNNSingleGateDescriptor(org.moe.natj.general.Pointer peer)

Method Detail

accessInstanceVariablesDirectly

public static boolean accessInstanceVariablesDirectly()

alloc

public static MPSRNNSingleGateDescriptor alloc()

allocWithZone

public static MPSRNNSingleGateDescriptor allocWithZone(org.moe.natj.general.ptr.VoidPtr zone)

automaticallyNotifiesObserversForKey

public static boolean automaticallyNotifiesObserversForKey(java.lang.String key)

cancelPreviousPerformRequestsWithTarget

public static void cancelPreviousPerformRequestsWithTarget(java.lang.Object aTarget)

cancelPreviousPerformRequestsWithTargetSelectorObject

public static void cancelPreviousPerformRequestsWithTargetSelectorObject(java.lang.Object aTarget,
                                                                         org.moe.natj.objc.SEL aSelector,
                                                                         java.lang.Object anArgument)

classFallbacksForKeyedArchiver

public static NSArray<java.lang.String> classFallbacksForKeyedArchiver()

classForKeyedUnarchiver

public static org.moe.natj.objc.Class classForKeyedUnarchiver()

createRNNSingleGateDescriptorWithInputFeatureChannelsOutputFeatureChannels

public static MPSRNNSingleGateDescriptor createRNNSingleGateDescriptorWithInputFeatureChannelsOutputFeatureChannels(long inputFeatureChannels,
                                                                                                                    long outputFeatureChannels)

Creates a MPSRNNSingleGateDescriptor

Parameters:

inputFeatureChannels - The number of feature channels in the input image/matrix. Must be >= 1.

outputFeatureChannels - The number of feature channels in the output image/matrix. Must be >= 1.

Returns:

A valid MPSRNNSingleGateDescriptor object or nil, if failure.

debugDescription_static

public static java.lang.String debugDescription_static()

description_static

public static java.lang.String description_static()

hash_static

public static long hash_static()

init

public MPSRNNSingleGateDescriptor init()

Overrides:

init in class MPSRNNDescriptor

inputWeights

public MPSCNNConvolutionDataSource inputWeights()

[@property] inputWeights

Contains weights 'W_ij', bias 'b_i' and neuron 'gi' from the simple RNN layer formula. If nil then assumed zero weights, bias and no neuron (identity mapping). Defaults to nil.

instanceMethodForSelector

public static NSObject.Function_instanceMethodForSelector_ret instanceMethodForSelector(org.moe.natj.objc.SEL aSelector)

instanceMethodSignatureForSelector

public static NSMethodSignature instanceMethodSignatureForSelector(org.moe.natj.objc.SEL aSelector)

instancesRespondToSelector

public static boolean instancesRespondToSelector(org.moe.natj.objc.SEL aSelector)

isSubclassOfClass

public static boolean isSubclassOfClass(org.moe.natj.objc.Class aClass)

keyPathsForValuesAffectingValueForKey

public static NSSet<java.lang.String> keyPathsForValuesAffectingValueForKey(java.lang.String key)

new_objc

public static MPSRNNSingleGateDescriptor new_objc()

recurrentWeights

public MPSCNNConvolutionDataSource recurrentWeights()

[@property] recurrentWeights

Contains weights 'U_ij' from the simple RNN layer formula. If nil then assumed zero weights. Defaults to nil.

resolveClassMethod

public static boolean resolveClassMethod(org.moe.natj.objc.SEL sel)

resolveInstanceMethod

public static boolean resolveInstanceMethod(org.moe.natj.objc.SEL sel)

setInputWeights

public void setInputWeights(MPSCNNConvolutionDataSource value)

[@property] inputWeights

Contains weights 'W_ij', bias 'b_i' and neuron 'gi' from the simple RNN layer formula. If nil then assumed zero weights, bias and no neuron (identity mapping). Defaults to nil.

setRecurrentWeights

public void setRecurrentWeights(MPSCNNConvolutionDataSource value)

[@property] recurrentWeights

Contains weights 'U_ij' from the simple RNN layer formula. If nil then assumed zero weights. Defaults to nil.

setVersion_static

public static void setVersion_static(long aVersion)

superclass_static

public static org.moe.natj.objc.Class superclass_static()

version_static

public static long version_static()