Class PoolingDescriptor

An opaque structure holding the description of a pooling operation.

Inheritance

System.Object

PoolingDescriptor

Implements

System.IDisposable

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: ManagedCuda.CudaDNN

Assembly: CudaDNN.dll

Syntax

public class PoolingDescriptor : IDisposable

Constructors

PoolingDescriptor()

Declaration

public PoolingDescriptor()

Properties

Desc

Returns the inner handle.

Declaration

public cudnnPoolingDescriptor Desc { get; }

Property Value

Type	Description
cudnnPoolingDescriptor

Methods

Dispose()

Dispose

Declaration

public void Dispose()

Dispose(Boolean)

For IDisposable

Declaration

protected virtual void Dispose(bool fDisposing)

Parameters

Type	Name	Description
System.Boolean	fDisposing

Finalize()

For dispose

Declaration

protected void Finalize()

GetPooling2dDescriptor(ref cudnnPoolingMode, ref cudnnNanPropagation, ref Int32, ref Int32, ref Int32, ref Int32, ref Int32, ref Int32)

This function queries a previously created 2D pooling descriptor object.

Declaration

public void GetPooling2dDescriptor(ref cudnnPoolingMode mode, ref cudnnNanPropagation maxpoolingNanOpt, ref int windowHeight, ref int windowWidth, ref int verticalPadding, ref int horizontalPadding, ref int verticalStride, ref int horizontalStride)

Parameters

Type	Name	Description
cudnnPoolingMode	mode	Enumerant to specify the pooling mode.
cudnnNanPropagation	maxpoolingNanOpt	Nan propagation option for max pooling.
System.Int32	windowHeight	Height of the pooling window.
System.Int32	windowWidth	Width of the pooling window.
System.Int32	verticalPadding	Size of vertical padding.
System.Int32	horizontalPadding	Size of horizontal padding.
System.Int32	verticalStride	Pooling vertical stride.
System.Int32	horizontalStride	Pooling horizontal stride.

GetPooling2dForwardOutputDim(TensorDescriptor, ref Int32, ref Int32, ref Int32, ref Int32)

This function provides the output dimensions of a tensor after 2d pooling has been applied

Declaration

public void GetPooling2dForwardOutputDim(TensorDescriptor inputTensorDesc, ref int n, ref int c, ref int h, ref int w)

Parameters

Type	Name	Description
TensorDescriptor	inputTensorDesc	Handle to the previously initialized input tensor descriptor.
System.Int32	n	Number of images in the output
System.Int32	c	Number of channels in the output
System.Int32	h	Height of images in the output
System.Int32	w	Width of images in the output

GetPoolingNdDescriptor(Int32, ref cudnnPoolingMode, ref cudnnNanPropagation, ref Int32, Int32[], Int32[], Int32[])

This function queries a previously initialized generic pooling descriptor object.

Declaration

public void GetPoolingNdDescriptor(int nbDimsRequested, ref cudnnPoolingMode mode, ref cudnnNanPropagation maxpoolingNanOpt, ref int nbDims, int[] windowDimA, int[] paddingA, int[] strideA)

Parameters

Type	Name	Description
System.Int32	nbDimsRequested	Dimension of the expected pooling descriptor. It is also the minimum size of the arrays windowDimA, paddingA and strideA in order to be able to hold the results
cudnnPoolingMode	mode	Enumerant to specify the pooling mode.
cudnnNanPropagation	maxpoolingNanOpt	Nan propagation option for max pooling.
System.Int32	nbDims	Actual dimension of the pooling descriptor.
System.Int32[]	windowDimA	Array of dimension of at least nbDimsRequested that will be filled with the window parameters from the provided pooling descriptor.
System.Int32[]	paddingA	Array of dimension of at least nbDimsRequested that will be filled with the padding parameters from the provided pooling descriptor.
System.Int32[]	strideA	Array of dimension at least nbDimsRequested that will be filled with the stride parameters from the provided pooling descriptor.

GetPoolingNdForwardOutputDim(TensorDescriptor, Int32, Int32[])

This function provides the output dimensions of a tensor after Nd pooling has been applied

Declaration

public void GetPoolingNdForwardOutputDim(TensorDescriptor inputTensorDesc, int nbDims, int[] outputTensorDimA)

Parameters

Type	Name	Description
TensorDescriptor	inputTensorDesc	Handle to the previously initialized input tensor descriptor.
System.Int32	nbDims	Number of dimensions in which pooling is to be applied.
System.Int32[]	outputTensorDimA	Array of nbDims output dimensions

SetPooling2dDescriptor(cudnnPoolingMode, cudnnNanPropagation, Int32, Int32, Int32, Int32, Int32, Int32)

This function initializes a previously created generic pooling descriptor object into a 2D description.

Declaration

public void SetPooling2dDescriptor(cudnnPoolingMode mode, cudnnNanPropagation maxpoolingNanOpt, int windowHeight, int windowWidth, int verticalPadding, int horizontalPadding, int verticalStride, int horizontalStride)

Parameters

Type	Name	Description
cudnnPoolingMode	mode	Enumerant to specify the pooling mode.
cudnnNanPropagation	maxpoolingNanOpt	Nan propagation option for max pooling.
System.Int32	windowHeight	Height of the pooling window.
System.Int32	windowWidth	Width of the pooling window.
System.Int32	verticalPadding	Size of vertical padding.
System.Int32	horizontalPadding	Size of horizontal padding
System.Int32	verticalStride	Pooling vertical stride.
System.Int32	horizontalStride	Pooling horizontal stride.

SetPoolingNdDescriptor(cudnnPoolingMode, cudnnNanPropagation, Int32, Int32[], Int32[], Int32[])

This function initializes a previously created generic pooling descriptor object.

Declaration

public void SetPoolingNdDescriptor(cudnnPoolingMode mode, cudnnNanPropagation maxpoolingNanOpt, int nbDims, int[] windowDimA, int[] paddingA, int[] strideA)

Parameters

Type	Name	Description
cudnnPoolingMode	mode	Enumerant to specify the pooling mode.
cudnnNanPropagation	maxpoolingNanOpt	Nan propagation option for max pooling.
System.Int32	nbDims	Dimension of the pooling operation.
System.Int32[]	windowDimA	Array of dimension nbDims containing the window size for each dimension.
System.Int32[]	paddingA	Array of dimension nbDims containing the padding size for each dimension.
System.Int32[]	strideA	Array of dimension nbDims containing the striding size for each dimension.

Implements

System.IDisposable