cudaDeviceProp(3)

NAME
cudaDeviceProp -

SYNOPSIS

  Data Fields

int asyncEngineCount
int canMapHostMemory
int canUseHostPointerForRegisteredMem
int clockRate
int computeMode
int computePreemptionSupported
int concurrentKernels
int concurrentManagedAccess
int cooperativeLaunch
int cooperativeMultiDeviceLaunch
int deviceOverlap
int ECCEnabled
int globalL1CacheSupported
int hostNativeAtomicSupported
int integrated
int isMultiGpuBoard
int kernelExecTimeoutEnabled
int l2CacheSize
int localL1CacheSupported
int managedMemory
int maxGridSize [3]
int maxSurface1D
int maxSurface1DLayered [2]
int maxSurface2D [2]
int maxSurface2DLayered [3]
int maxSurface3D [3]
int maxSurfaceCubemap
int maxSurfaceCubemapLayered [2]
int maxTexture1D
int maxTexture1DLayered [2]
int maxTexture1DLinear
int maxTexture1DMipmap
int maxTexture2D [2]
int maxTexture2DGather [2]
int maxTexture2DLayered [3]
int maxTexture2DLinear [3]
int maxTexture2DMipmap [2]
int maxTexture3D [3]
int maxTexture3DAlt [3]
int maxTextureCubemap
int maxTextureCubemapLayered [2]
int maxThreadsDim [3]
int maxThreadsPerBlock
int maxThreadsPerMultiProcessor
int memoryBusWidth
int memoryClockRate
size_t memPitch
int multiGpuBoardGroupID
int multiProcessorCount
int pageableMemoryAccess
int pciBusID
int pciDeviceID
int pciDomainID
int regsPerBlock
int regsPerMultiprocessor
size_t sharedMemPerBlock
size_t sharedMemPerBlockOptin
size_t sharedMemPerMultiprocessor
int singleToDoublePrecisionPerfRatio
int streamPrioritiesSupported
size_t surfaceAlignment
int tccDriver
size_t textureAlignment
size_t texturePitchAlignment
size_t totalConstMem
size_t totalGlobalMem
int unifiedAddressing
int warpSize

Detailed Description

CUDA device properties

Field Documentation

  int cudaDeviceProp::asyncEngineCount

Number of asynchronous engines

  int cudaDeviceProp::canMapHostMemory

Device can map host memory with cudaHostAlloc/cudaHostGetDevicePointer

  int cudaDeviceProp::canUseHostPointerForRegisteredMem

Device can access host registered memory at the same virtual address as the CPU

  int cudaDeviceProp::clockRate

Clock frequency in kilohertz

  int cudaDeviceProp::computeMode

Compute mode (See cudaComputeMode)

  int cudaDeviceProp::computePreemptionSupported

Device supports Compute Preemption

  int cudaDeviceProp::concurrentKernels

Device can possibly execute multiple kernels concurrently

  int cudaDeviceProp::concurrentManagedAccess

Device can coherently access managed memory concurrently with the CPU

  int cudaDeviceProp::cooperativeLaunch

Device supports launching cooperative kernels via cudaLaunchCooperativeKernel

  int cudaDeviceProp::cooperativeMultiDeviceLaunch

Device can participate in cooperative kernels launched via cudaLaunchCooperativeKernelMultiDevice

  int cudaDeviceProp::deviceOverlap

Device can concurrently copy memory and execute a kernel. Deprecated. Use instead asyncEngineCount.

  int cudaDeviceProp::ECCEnabled

Device has ECC support enabled

  int cudaDeviceProp::globalL1CacheSupported

Device supports caching globals in L1

  int cudaDeviceProp::hostNativeAtomicSupported

Link between the device and the host supports native atomic operations

  int cudaDeviceProp::integrated

Device is integrated as opposed to discrete

  int cudaDeviceProp::isMultiGpuBoard

Device is on a multi-GPU board

  int cudaDeviceProp::kernelExecTimeoutEnabled

Specified whether there is a run time limit on kernels

  int cudaDeviceProp::l2CacheSize

Size of L2 cache in bytes

  int cudaDeviceProp::localL1CacheSupported

Device supports caching locals in L1

  int cudaDeviceProp::managedMemory

Device supports allocating managed memory on this system

  int cudaDeviceProp::maxGridSize[3]

Maximum size of each dimension of a grid

  int cudaDeviceProp::maxSurface1D

Maximum 1D surface size

  int cudaDeviceProp::maxSurface1DLayered[2]

Maximum 1D layered surface dimensions

  int cudaDeviceProp::maxSurface2D[2]

Maximum 2D surface dimensions

  int cudaDeviceProp::maxSurface2DLayered[3]

Maximum 2D layered surface dimensions

  int cudaDeviceProp::maxSurface3D[3]

Maximum 3D surface dimensions

  int cudaDeviceProp::maxSurfaceCubemap

Maximum Cubemap surface dimensions

  int cudaDeviceProp::maxSurfaceCubemapLayered[2]

Maximum Cubemap layered surface dimensions

  int cudaDeviceProp::maxTexture1D

Maximum 1D texture size

  int cudaDeviceProp::maxTexture1DLayered[2]

Maximum 1D layered texture dimensions

  int cudaDeviceProp::maxTexture1DLinear

Maximum size for 1D textures bound to linear memory

  int cudaDeviceProp::maxTexture1DMipmap

Maximum 1D mipmapped texture size

  int cudaDeviceProp::maxTexture2D[2]

Maximum 2D texture dimensions

  int cudaDeviceProp::maxTexture2DGather[2]

Maximum 2D texture dimensions if texture gather operations have to be performed

  int cudaDeviceProp::maxTexture2DLayered[3]

Maximum 2D layered texture dimensions

  int cudaDeviceProp::maxTexture2DLinear[3]

Maximum dimensions (width, height, pitch) for 2D textures bound to pitched memory

  int cudaDeviceProp::maxTexture2DMipmap[2]

Maximum 2D mipmapped texture dimensions

  int cudaDeviceProp::maxTexture3D[3]

Maximum 3D texture dimensions

  int cudaDeviceProp::maxTexture3DAlt[3]

Maximum alternate 3D texture dimensions

  int cudaDeviceProp::maxTextureCubemap

Maximum Cubemap texture dimensions

  int cudaDeviceProp::maxTextureCubemapLayered[2]

Maximum Cubemap layered texture dimensions

  int cudaDeviceProp::maxThreadsDim[3]

Maximum size of each dimension of a block

  int cudaDeviceProp::maxThreadsPerBlock

Maximum number of threads per block

  int cudaDeviceProp::maxThreadsPerMultiProcessor

Maximum resident threads per multiprocessor

  int cudaDeviceProp::memoryBusWidth

Global memory bus width in bits

  int cudaDeviceProp::memoryClockRate

Peak memory clock frequency in kilohertz

  size_t cudaDeviceProp::memPitch

Maximum pitch in bytes allowed by memory copies

  int cudaDeviceProp::multiGpuBoardGroupID

Unique identifier for a group of devices on the same multi-GPU board

  int cudaDeviceProp::multiProcessorCount

Number of multiprocessors on device

  int cudaDeviceProp::pageableMemoryAccess

Device supports coherently accessing pageable memory without calling cudaHostRegister on it

  int cudaDeviceProp::pciBusID

PCI bus ID of the device

  int cudaDeviceProp::pciDeviceID

PCI device ID of the device

  int cudaDeviceProp::pciDomainID

PCI domain ID of the device

  int cudaDeviceProp::regsPerBlock

32-bit registers available per block

  int cudaDeviceProp::regsPerMultiprocessor

32-bit registers available per multiprocessor

  size_t cudaDeviceProp::sharedMemPerBlock

Shared memory available per block in bytes

  size_t cudaDeviceProp::sharedMemPerBlockOptin

Per device maximum shared memory per block usable by special opt in

  size_t cudaDeviceProp::sharedMemPerMultiprocessor

Shared memory available per multiprocessor in bytes

  int cudaDeviceProp::singleToDoublePrecisionPerfRatio

Ratio of single precision performance (in floating-point operations per second) to double precision performance

  int cudaDeviceProp::streamPrioritiesSupported

Device supports stream priorities

  size_t cudaDeviceProp::surfaceAlignment

Alignment requirements for surfaces

  int cudaDeviceProp::tccDriver

1 if device is a Tesla device using TCC driver, 0 otherwise

  size_t cudaDeviceProp::textureAlignment

Alignment requirement for textures

  size_t cudaDeviceProp::texturePitchAlignment

Pitch alignment requirement for texture references bound to pitched memory

  size_t cudaDeviceProp::totalConstMem

Constant memory available on device in bytes

  size_t cudaDeviceProp::totalGlobalMem

Global memory available on device in bytes

  int cudaDeviceProp::unifiedAddressing

Device shares a unified address space with the host

  int cudaDeviceProp::warpSize

Warp size in threads

Author

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