Interface cuda.ICudaMarshalling

ICuda simplified for marshalling only

Namespace: Hybridizer.Runtime.CUDAImports

Assembly: Hybridizer.Runtime.CUDAImports.dll

Syntax

public interface ICudaMarshalling

Methods

Free(IntPtr)

Free memory allocated on device

Declaration

cudaError_t Free(IntPtr dev)

Parameters

Type	Name	Description
System.IntPtr	dev	Device pointer to free

Returns

Type	Description
cudaError_t	cudaSuccess, cudaErrorInvalidDevicePointer, cudaErrorInitializationError

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__MEMORY.html#group__CUDART__MEMORY

FreeHost(IntPtr)

Frees page-locked memory.

Declaration

cudaError_t FreeHost(IntPtr ptr)

Parameters

Type	Name	Description
System.IntPtr	ptr	Pointer to memory to free

Returns

Type	Description
cudaError_t	cudaSuccess, cudaErrorInitializationError

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__MEMORY.html#group__CUDART__MEMORY

GetErrorName(cudaError_t)

Returns the string representation of an error code enum name

Declaration

string GetErrorName(cudaError_t err)

Parameters

Type	Name	Description
cudaError_t	err

Returns

Type	Description
System.String

GetErrorString(cudaError_t)

Returns the description string for an error code

Declaration

string GetErrorString(cudaError_t err)

Parameters

Type	Name	Description
cudaError_t	err	Error code to convert to string

Returns

Type	Description
System.String	char* pointer to a NULL-terminated string, or NULL if the error code is not valid.

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__ERROR.html#group__CUDART__ERROR

GetLastError()

Get last cuda error

Declaration

cudaError_t GetLastError()

Returns

Type

Description

cudaError_t

cudaSuccess, cudaErrorMissingConfiguration, cudaErrorMemoryAllocation, cudaErrorInitializationError, cudaErrorLaunchFailure, cudaErrorLaunchTimeout, cudaErrorLaunchOutOfResources, cudaErrorInvalidDeviceFunction, cudaErrorInvalidConfiguration, cudaErrorInvalidDevice, cudaErrorInvalidValue, cudaErrorInvalidPitchValue, cudaErrorInvalidSymbol, cudaErrorUnmapBufferObjectFailed, cudaErrorInvalidHostPointer, cudaErrorInvalidDevicePointer, cudaErrorInvalidTexture, cudaErrorInvalidTextureBinding, cudaErrorInvalidChannelDescriptor, cudaErrorInvalidMemcpyDirection, cudaErrorInvalidFilterSetting, cudaErrorInvalidNormSetting, cudaErrorUnknown, cudaErrorInvalidResourceHandle, cudaErrorInsufficientDriver, cudaErrorSetOnActiveProcess, cudaErrorStartupFailure,

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__ERROR.html#group__CUDART__ERROR

GetPeekAtLastError()

Peek last cuda error

Declaration

cudaError_t GetPeekAtLastError()

Returns

Type

Description

cudaError_t

cudaSuccess, cudaErrorMissingConfiguration, cudaErrorMemoryAllocation, cudaErrorInitializationError, cudaErrorLaunchFailure, cudaErrorLaunchTimeout, cudaErrorLaunchOutOfResources, cudaErrorInvalidDeviceFunction, cudaErrorInvalidConfiguration, cudaErrorInvalidDevice, cudaErrorInvalidValue, cudaErrorInvalidPitchValue, cudaErrorInvalidSymbol, cudaErrorUnmapBufferObjectFailed, cudaErrorInvalidHostPointer, cudaErrorInvalidDevicePointer, cudaErrorInvalidTexture, cudaErrorInvalidTextureBinding, cudaErrorInvalidChannelDescriptor, cudaErrorInvalidMemcpyDirection, cudaErrorInvalidFilterSetting, cudaErrorInvalidNormSetting, cudaErrorUnknown, cudaErrorInvalidResourceHandle, cudaErrorInsufficientDriver, cudaErrorSetOnActiveProcess, cudaErrorStartupFailure,

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__ERROR.html#group__CUDART__ERROR

HostAlloc(out IntPtr, size_t, cudaHostAllocFlags)

Allocates page-locked memory on the host

Declaration

cudaError_t HostAlloc(out IntPtr pHost, size_t size, cudaHostAllocFlags flags)

Parameters

Type	Name	Description
System.IntPtr	pHost	Device pointer to allocated memory
size_t	size	Requested allocation size in bytes
cudaHostAllocFlags	flags	Requested properties of allocated memory

Returns

Type	Description
cudaError_t	cudaSuccess, cudaErrorMemoryAllocation

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__MEMORY.html#group__CUDART__MEMORY

HostRegister(IntPtr, size_t, UInt32)

Register host memory onto the device

Declaration

cudaError_t HostRegister(IntPtr ptr, size_t size, uint flags)

Parameters

Type	Name	Description
System.IntPtr	ptr	Host pointer to memory to page-lock
size_t	size	Size in bytes of the address range to page-lock in bytes
System.UInt32	flags	Flags for allocation request

Returns

Type	Description
cudaError_t	cudaSuccess, cudaErrorInvalidValue, cudaErrorMemoryAllocation

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__MEMORY.html#group__CUDART__MEMORY

HostUnregister(IntPtr)

Unregister host memory

Declaration

cudaError_t HostUnregister(IntPtr ptr)

Parameters

Type	Name	Description
System.IntPtr	ptr	Host pointer to memory to unregister

Returns

Type	Description
cudaError_t	cudaSuccess, cudaErrorInvalidValue

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__MEMORY.html#group__CUDART__MEMORY

Malloc(out IntPtr, size_t)

Allocate memory on the device

Declaration

cudaError_t Malloc(out IntPtr dev, size_t size)

Parameters

Type	Name	Description
System.IntPtr	dev	Pointer to allocated device memory
size_t	size	Requested allocation size in bytes

Returns

Type	Description
cudaError_t	cudaSuccess, cudaErrorMemoryAllocation

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__MEMORY.html#group__CUDART__MEMORY

Memcpy(IntPtr, IntPtr, size_t, cudaMemcpyKind)

Copies data between host and device

Declaration

cudaError_t Memcpy(IntPtr dest, IntPtr src, size_t size, cudaMemcpyKind kind)

Parameters

Type	Name	Description
System.IntPtr	dest	Destination memory address
System.IntPtr	src	Source memory address
size_t	size	Size in bytes to copy
cudaMemcpyKind	kind	Type of transfer

Returns

Type	Description
cudaError_t	cudaSuccess, cudaErrorInvalidValue, cudaErrorInvalidDevicePointer, cudaErrorInvalidMemcpyDirection

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__MEMORY.html#group__CUDART__MEMORY

MemcpyAsync(IntPtr, IntPtr, size_t, cudaMemcpyKind, cudaStream_t)

Copies data between host and device

Declaration

cudaError_t MemcpyAsync(IntPtr dest, IntPtr src, size_t size, cudaMemcpyKind kind, cudaStream_t stream)

Parameters

Type	Name	Description
System.IntPtr	dest	Destination memory address
System.IntPtr	src	Source memory address
size_t	size	Size in bytes to copy
cudaMemcpyKind	kind	Type of transfer
cudaStream_t	stream	Stream identifier

Returns

Type	Description
cudaError_t	cudaSuccess, cudaErrorInvalidValue, cudaErrorInvalidDevicePointer, cudaErrorInvalidMemcpyDirection

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__MEMORY.html#group__CUDART__MEMORY

StreamCreate(out cudaStream_t)

Create an asynchronous stream

Declaration

cudaError_t StreamCreate(out cudaStream_t stream)

Parameters

Type	Name	Description
cudaStream_t	stream	Pointer to new stream identifier

Returns

Type	Description
cudaError_t	cudaSuccess, cudaErrorInvalidValue

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__STREAM.html#group__CUDART__STREAM

StreamDestroy(cudaStream_t)

Destroy cuda steam

Declaration

cudaError_t StreamDestroy(cudaStream_t stream)

Parameters

Type	Name	Description
cudaStream_t	stream	Stream identifier

Returns

Type	Description
cudaError_t	cudaSuccess, cudaErrorInvalidResourceHandle

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__STREAM.html#group__CUDART__STREAM

StreamSynchronize(cudaStream_t)

Synchronize cuda steam

Declaration

cudaError_t StreamSynchronize(cudaStream_t stream)

Parameters

Type	Name	Description
cudaStream_t	stream	Stream identifier

Returns

Type	Description
cudaError_t	cudaSuccess, cudaErrorInvalidResourceHandle

Remarks

http://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__STREAM.html#group__CUDART__STREAM