Class PinnedBuffer<T>

Namespace

NVMathNet

Assembly

NVMath.Net.dll

Page-locked (pinned) host memory for maximum-throughput, zero-copy transfers between host and device.

public sealed class PinnedBuffer<T> : IDisposable where T : unmanaged, INumberBase<T>

Type Parameters

T

Unmanaged numeric element type.

Inheritance

object

PinnedBuffer<T>

Implements

IDisposable

Inherited Members

object.Equals(object?)

object.Equals(object?, object?)

object.GetHashCode()

object.GetType()

object.ReferenceEquals(object?, object?)

object.ToString()

Constructors

PinnedBuffer(long)

Allocates length pinned host elements.

public PinnedBuffer(long length)

Parameters

length long

Properties

Length

Number of elements.

public long Length { get; }

Property Value

long

Pointer

Raw host pointer as void*.

public void* Pointer { get; }

Property Value

void*

PointerAsInt

Raw host pointer as System.IntPtr (page-locked).

public nint PointerAsInt { get; }

Property Value

nint

SizeInBytes

Total size in bytes.

public nuint SizeInBytes { get; }

Property Value

nuint

Span

A System.Span`1 over the pinned region. Valid as long as the buffer is alive.

public Span<T> Span { get; }

Property Value

Span<T>

Methods

CopyFromDevice(DeviceBuffer<T>, CudaStream)

Copies a NVMathNet.DeviceBuffer`1 back into this pinned buffer.

public void CopyFromDevice(DeviceBuffer<T> device, CudaStream stream)

Parameters

device DeviceBuffer<T>

stream CudaStream

CopyToDevice(DeviceBuffer<T>, CudaStream)

Copies the pinned buffer to a NVMathNet.DeviceBuffer`1 using DMA.

public void CopyToDevice(DeviceBuffer<T> device, CudaStream stream)

Parameters

device DeviceBuffer<T>

stream CudaStream

Dispose()

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

public void Dispose()