Package solvcon :: Module scuda :: Class Scuda

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Class Scuda

Wrapper for CUDA library by using ctypes.

Instance Methods

__init__(self, libname_cudart='libcudart.so', libname_cuda='libcuda.so')
x.__init__(...) initializes x; see x.__class__.__doc__ for signature source code

__del__(self)

source code

__getattr__(self, key)

source code

__len__(self)

source code

download_device_properties(self)
Use CUDA runtime API to download device properties to self object.

source code

int

use_device(self, idx)
Use the specified device ID.

source code

use_first_valid_device(self)

source code

alloc(self, nbytes)

source code

free(self, gmem, do_remove=True)

source code

memcpy(self, tgt, src)

source code

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Static Methods

has_cuda()

source code

Class Variables

cudaMemcpyHostToHost = 0

cudaMemcpyHostToDevice = 1

cudaMemcpyDeviceToHost = 2

cudaMemcpyDeviceToDevice = 3

cudaSuccess = 0

cudaErrorMissingConfiguration = 1

cudaErrorMemoryAllocation = 2

cudaErrorInitializationError = 3

cudaErrorLaunchFailure = 4

cudaErrorPriorLaunchFailure = 5

cudaErrorLaunchTimeout = 6

cudaErrorLaunchOutOfResources = 7

cudaErrorInvalidDeviceFunction = 8

cudaErrorInvalidConfiguration = 9

cudaErrorInvalidDevice = 10

cudaErrorInvalidValue = 11

cudaErrorInvalidPitchValue = 12

cudaErrorInvalidSymbol = 13

cudaErrorMapBufferObjectFailed = 14

cudaErrorUnmapBufferObjectFailed = 15

cudaErrorInvalidHostPointer = 16

cudaErrorInvalidDevicePointer = 17

cudaErrorInvalidTexture = 18

cudaErrorInvalidTextureBinding = 19

cudaErrorInvalidChannelDescriptor = 20

cudaErrorInvalidMemcpyDirection = 21

cudaErrorAddressOfConstant = 22

cudaErrorTextureFetchFailed = 23

cudaErrorTextureNotBound = 24

cudaErrorSynchronizationError = 25

cudaErrorInvalidFilterSetting = 26

cudaErrorInvalidNormSetting = 27

cudaErrorMixedDeviceExecution = 28

cudaErrorCudartUnloading = 29

cudaErrorUnknown = 30

cudaErrorNotYetImplemented = 31

cudaErrorMemoryValueTooLarge = 32

cudaErrorInvalidResourceHandle = 33

cudaErrorNotReady = 34

cudaErrorInsufficientDriver = 35

cudaErrorSetOnActiveProcess = 36

cudaErrorInvalidSurface = 37

cudaErrorNoDevice = 38

cudaErrorECCUncorrectable = 39

cudaErrorSharedObjectSymbolNotFound = 40

cudaErrorSharedObjectInitFailed = 41

cudaErrorUnsupportedLimit = 42

cudaErrorDuplicateVariableName = 43

cudaErrorDuplicateTextureName = 44

cudaErrorDuplicateSurfaceName = 45

cudaErrorDevicesUnavailable = 46

cudaErrorInvalidKernelImage = 47

cudaErrorNoKernelImageForDevice = 48

cudaErrorIncompatibleDriverContext = 49

cudaErrorStartupFailure = 127

cudaErrorApiFailureBase = 10000

Instance Variables

_alloc_gpumem
all allocated GpuMemory objects.

cuda
CUDA driver library.

cudart
CUDA runtime library.

device
the ID of device to use.

Properties

Inherited from object: __class__

Method Details

init(self, libname_cudart=`'libcudart.so'`, libname_cuda=`'libcuda.so'`)
(Constructor)

x.__init__(...) initializes x; see x.__class__.__doc__ for signature

Parameters:

libname_cudart (str) - name of the CUDA runtime library.
libname_cuda (str) - name of the CUDA driver library.

Overrides: object.__init__

download_device_properties(self)

Use CUDA runtime API to download device properties to self object. Set self._device_properties.

Returns:: nothing

use_device(self, idx)

Use the specified device ID. Set self.device.

Parameters:

idx (int) - device ID to use.

Returns: int

the device ID.