MPSCNNDropoutGradient(3) MetalPerformanceShaders.framework MPSCNNDropoutGradient(3)

MPSCNNDropoutGradient

#import <MPSCNNDropout.h>

Inherits MPSCNNGradientKernel.


(nonnull instancetype) - initWithDevice:
(nullable instancetype) - initWithCoder:device:
(nonnull instancetype) - initWithDevice:keepProbability:seed:maskStrideInPixels:


float keepProbability
NSUInteger seed
MTLSize maskStrideInPixels

This depends on Metal.framework This filter is the backward filter for the MPSCNNDropout forward filter. It requires the mask data, along with all the associated parameters used to generate the mask, from the forward pass. The mask is associated with a MPSCNNDropoutGradientState object.

In this kernel, use the secondaryOffset to apply an offset to the mask data.

- (nullable instancetype) initWithCoder: (NSCoder *__nonnull) aDecoder(nonnull id< MTLDevice >) device

<NSSecureCoding> support

Reimplemented from MPSCNNGradientKernel.

- (nonnull instancetype) initWithDevice: (nonnull id< MTLDevice >) device

Standard init with default properties per filter type

Parameters:

device The device that the filter will be used on. May not be NULL.

Returns:

A pointer to the newly initialized object. This will fail, returning nil if the device is not supported. Devices must be MTLFeatureSet_iOS_GPUFamily2_v1 or later.

Reimplemented from MPSCNNGradientKernel.

- (nonnull instancetype) initWithDevice: (nonnull id< MTLDevice >) device(float) keepProbability(NSUInteger) seed(MTLSize) maskStrideInPixels

Standard init with default properties per filter type.

Parameters:

device The device that the filter will be used on.
keepProbability The probability that each element in the input is kept. The valid range is (0.0f, 1.0f).
seed The seed used to generate random numbers.
maskStrideInPixels The mask stride in the x, y, and z dimensions, which allows for the broadcasting of mask data. The only valid values are 0 and 1 for each dimension. For no broadcasting, set the values for each dimension to 1. For broadcasting, set desired values to 0.

Returns:

A valid MPSCNNDropoutGradient object or nil, if failure.

- keepProbability [read], [nonatomic], [assign]

The probability that each element in the input is kept. The valid range is (0.0f, 1.0f).

- maskStrideInPixels [read], [nonatomic], [assign]

The mask stride in the x, y, and x dimensions, which allows for the broadcasting the mask data. The only valid values are 0 and 1 for each dimension. For no broadcasting, set the values for each dimension to 1. For broadcasting, set desired values to 0.

- seed [read], [nonatomic], [assign]

The seed used to generate random numbers.

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Mon Jul 9 2018 Version MetalPerformanceShaders-119.3