OpenCV
3.1.0
Open Source Computer Vision
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Class providing functionality for querying the specified GPU properties. More...
#include "cuda.hpp"
Public Types | |
enum | ComputeMode { ComputeModeDefault, ComputeModeExclusive, ComputeModeProhibited, ComputeModeExclusiveProcess } |
Public Member Functions | |
DeviceInfo () | |
creates DeviceInfo object for the current GPU More... | |
DeviceInfo (int device_id) | |
The constructors. More... | |
int | asyncEngineCount () const |
number of asynchronous engines More... | |
bool | canMapHostMemory () const |
device can map host memory with cudaHostAlloc/cudaHostGetDevicePointer More... | |
int | clockRate () const |
clock frequency in kilohertz More... | |
ComputeMode | computeMode () const |
compute mode More... | |
bool | concurrentKernels () const |
device can possibly execute multiple kernels concurrently More... | |
int | deviceID () const |
Returns system index of the CUDA device starting with 0. More... | |
bool | ECCEnabled () const |
device has ECC support enabled More... | |
size_t | freeMemory () const |
bool | integrated () const |
device is integrated as opposed to discrete More... | |
bool | isCompatible () const |
Checks the CUDA module and device compatibility. More... | |
bool | kernelExecTimeoutEnabled () const |
specified whether there is a run time limit on kernels More... | |
int | l2CacheSize () const |
size of L2 cache in bytes More... | |
int | majorVersion () const |
major compute capability More... | |
Vec3i | maxGridSize () const |
maximum size of each dimension of a grid More... | |
int | maxSurface1D () const |
maximum 1D surface size More... | |
Vec2i | maxSurface1DLayered () const |
maximum 1D layered surface dimensions More... | |
Vec2i | maxSurface2D () const |
maximum 2D surface dimensions More... | |
Vec3i | maxSurface2DLayered () const |
maximum 2D layered surface dimensions More... | |
Vec3i | maxSurface3D () const |
maximum 3D surface dimensions More... | |
int | maxSurfaceCubemap () const |
maximum Cubemap surface dimensions More... | |
Vec2i | maxSurfaceCubemapLayered () const |
maximum Cubemap layered surface dimensions More... | |
int | maxTexture1D () const |
maximum 1D texture size More... | |
Vec2i | maxTexture1DLayered () const |
maximum 1D layered texture dimensions More... | |
int | maxTexture1DLinear () const |
maximum size for 1D textures bound to linear memory More... | |
int | maxTexture1DMipmap () const |
maximum 1D mipmapped texture size More... | |
Vec2i | maxTexture2D () const |
maximum 2D texture dimensions More... | |
Vec2i | maxTexture2DGather () const |
maximum 2D texture dimensions if texture gather operations have to be performed More... | |
Vec3i | maxTexture2DLayered () const |
maximum 2D layered texture dimensions More... | |
Vec3i | maxTexture2DLinear () const |
maximum dimensions (width, height, pitch) for 2D textures bound to pitched memory More... | |
Vec2i | maxTexture2DMipmap () const |
maximum 2D mipmapped texture dimensions More... | |
Vec3i | maxTexture3D () const |
maximum 3D texture dimensions More... | |
int | maxTextureCubemap () const |
maximum Cubemap texture dimensions More... | |
Vec2i | maxTextureCubemapLayered () const |
maximum Cubemap layered texture dimensions More... | |
Vec3i | maxThreadsDim () const |
maximum size of each dimension of a block More... | |
int | maxThreadsPerBlock () const |
maximum number of threads per block More... | |
int | maxThreadsPerMultiProcessor () const |
maximum resident threads per multiprocessor More... | |
int | memoryBusWidth () const |
global memory bus width in bits More... | |
int | memoryClockRate () const |
peak memory clock frequency in kilohertz More... | |
size_t | memPitch () const |
maximum pitch in bytes allowed by memory copies More... | |
int | minorVersion () const |
minor compute capability More... | |
int | multiProcessorCount () const |
number of multiprocessors on device More... | |
const char * | name () const |
ASCII string identifying device. More... | |
int | pciBusID () const |
PCI bus ID of the device. More... | |
int | pciDeviceID () const |
PCI device ID of the device. More... | |
int | pciDomainID () const |
PCI domain ID of the device. More... | |
void | queryMemory (size_t &totalMemory, size_t &freeMemory) const |
gets free and total device memory More... | |
int | regsPerBlock () const |
32-bit registers available per block More... | |
size_t | sharedMemPerBlock () const |
shared memory available per block in bytes More... | |
bool | supports (FeatureSet feature_set) const |
Provides information on CUDA feature support. More... | |
size_t | surfaceAlignment () const |
alignment requirements for surfaces More... | |
bool | tccDriver () const |
true if device is a Tesla device using TCC driver, false otherwise More... | |
size_t | textureAlignment () const |
alignment requirement for textures More... | |
size_t | texturePitchAlignment () const |
pitch alignment requirement for texture references bound to pitched memory More... | |
size_t | totalConstMem () const |
constant memory available on device in bytes More... | |
size_t | totalGlobalMem () const |
global memory available on device in bytes More... | |
size_t | totalMemory () const |
bool | unifiedAddressing () const |
device shares a unified address space with the host More... | |
int | warpSize () const |
warp size in threads More... | |
Class providing functionality for querying the specified GPU properties.
cv::cuda::DeviceInfo::DeviceInfo | ( | ) |
creates DeviceInfo object for the current GPU
cv::cuda::DeviceInfo::DeviceInfo | ( | int | device_id | ) |
The constructors.
device_id | System index of the CUDA device starting with 0. |
Constructs the DeviceInfo object for the specified device. If device_id parameter is missed, it constructs an object for the current device.
int cv::cuda::DeviceInfo::asyncEngineCount | ( | ) | const |
number of asynchronous engines
bool cv::cuda::DeviceInfo::canMapHostMemory | ( | ) | const |
device can map host memory with cudaHostAlloc/cudaHostGetDevicePointer
int cv::cuda::DeviceInfo::clockRate | ( | ) | const |
clock frequency in kilohertz
ComputeMode cv::cuda::DeviceInfo::computeMode | ( | ) | const |
compute mode
bool cv::cuda::DeviceInfo::concurrentKernels | ( | ) | const |
device can possibly execute multiple kernels concurrently
int cv::cuda::DeviceInfo::deviceID | ( | ) | const |
Returns system index of the CUDA device starting with 0.
bool cv::cuda::DeviceInfo::ECCEnabled | ( | ) | const |
device has ECC support enabled
size_t cv::cuda::DeviceInfo::freeMemory | ( | ) | const |
bool cv::cuda::DeviceInfo::integrated | ( | ) | const |
device is integrated as opposed to discrete
bool cv::cuda::DeviceInfo::isCompatible | ( | ) | const |
Checks the CUDA module and device compatibility.
This function returns true if the CUDA module can be run on the specified device. Otherwise, it returns false .
bool cv::cuda::DeviceInfo::kernelExecTimeoutEnabled | ( | ) | const |
specified whether there is a run time limit on kernels
int cv::cuda::DeviceInfo::l2CacheSize | ( | ) | const |
size of L2 cache in bytes
int cv::cuda::DeviceInfo::majorVersion | ( | ) | const |
major compute capability
Vec3i cv::cuda::DeviceInfo::maxGridSize | ( | ) | const |
maximum size of each dimension of a grid
int cv::cuda::DeviceInfo::maxSurface1D | ( | ) | const |
maximum 1D surface size
Vec2i cv::cuda::DeviceInfo::maxSurface1DLayered | ( | ) | const |
maximum 1D layered surface dimensions
Vec2i cv::cuda::DeviceInfo::maxSurface2D | ( | ) | const |
maximum 2D surface dimensions
Vec3i cv::cuda::DeviceInfo::maxSurface2DLayered | ( | ) | const |
maximum 2D layered surface dimensions
Vec3i cv::cuda::DeviceInfo::maxSurface3D | ( | ) | const |
maximum 3D surface dimensions
int cv::cuda::DeviceInfo::maxSurfaceCubemap | ( | ) | const |
maximum Cubemap surface dimensions
Vec2i cv::cuda::DeviceInfo::maxSurfaceCubemapLayered | ( | ) | const |
maximum Cubemap layered surface dimensions
int cv::cuda::DeviceInfo::maxTexture1D | ( | ) | const |
maximum 1D texture size
Vec2i cv::cuda::DeviceInfo::maxTexture1DLayered | ( | ) | const |
maximum 1D layered texture dimensions
int cv::cuda::DeviceInfo::maxTexture1DLinear | ( | ) | const |
maximum size for 1D textures bound to linear memory
int cv::cuda::DeviceInfo::maxTexture1DMipmap | ( | ) | const |
maximum 1D mipmapped texture size
Vec2i cv::cuda::DeviceInfo::maxTexture2D | ( | ) | const |
maximum 2D texture dimensions
Vec2i cv::cuda::DeviceInfo::maxTexture2DGather | ( | ) | const |
maximum 2D texture dimensions if texture gather operations have to be performed
Vec3i cv::cuda::DeviceInfo::maxTexture2DLayered | ( | ) | const |
maximum 2D layered texture dimensions
Vec3i cv::cuda::DeviceInfo::maxTexture2DLinear | ( | ) | const |
maximum dimensions (width, height, pitch) for 2D textures bound to pitched memory
Vec2i cv::cuda::DeviceInfo::maxTexture2DMipmap | ( | ) | const |
maximum 2D mipmapped texture dimensions
Vec3i cv::cuda::DeviceInfo::maxTexture3D | ( | ) | const |
maximum 3D texture dimensions
int cv::cuda::DeviceInfo::maxTextureCubemap | ( | ) | const |
maximum Cubemap texture dimensions
Vec2i cv::cuda::DeviceInfo::maxTextureCubemapLayered | ( | ) | const |
maximum Cubemap layered texture dimensions
Vec3i cv::cuda::DeviceInfo::maxThreadsDim | ( | ) | const |
maximum size of each dimension of a block
int cv::cuda::DeviceInfo::maxThreadsPerBlock | ( | ) | const |
maximum number of threads per block
int cv::cuda::DeviceInfo::maxThreadsPerMultiProcessor | ( | ) | const |
maximum resident threads per multiprocessor
int cv::cuda::DeviceInfo::memoryBusWidth | ( | ) | const |
global memory bus width in bits
int cv::cuda::DeviceInfo::memoryClockRate | ( | ) | const |
peak memory clock frequency in kilohertz
size_t cv::cuda::DeviceInfo::memPitch | ( | ) | const |
maximum pitch in bytes allowed by memory copies
int cv::cuda::DeviceInfo::minorVersion | ( | ) | const |
minor compute capability
int cv::cuda::DeviceInfo::multiProcessorCount | ( | ) | const |
number of multiprocessors on device
const char* cv::cuda::DeviceInfo::name | ( | ) | const |
ASCII string identifying device.
int cv::cuda::DeviceInfo::pciBusID | ( | ) | const |
PCI bus ID of the device.
int cv::cuda::DeviceInfo::pciDeviceID | ( | ) | const |
PCI device ID of the device.
int cv::cuda::DeviceInfo::pciDomainID | ( | ) | const |
PCI domain ID of the device.
gets free and total device memory
int cv::cuda::DeviceInfo::regsPerBlock | ( | ) | const |
32-bit registers available per block
size_t cv::cuda::DeviceInfo::sharedMemPerBlock | ( | ) | const |
shared memory available per block in bytes
bool cv::cuda::DeviceInfo::supports | ( | FeatureSet | feature_set | ) | const |
Provides information on CUDA feature support.
feature_set | Features to be checked. See cuda::FeatureSet. |
This function returns true if the device has the specified CUDA feature. Otherwise, it returns false
size_t cv::cuda::DeviceInfo::surfaceAlignment | ( | ) | const |
alignment requirements for surfaces
bool cv::cuda::DeviceInfo::tccDriver | ( | ) | const |
true if device is a Tesla device using TCC driver, false otherwise
size_t cv::cuda::DeviceInfo::textureAlignment | ( | ) | const |
alignment requirement for textures
size_t cv::cuda::DeviceInfo::texturePitchAlignment | ( | ) | const |
pitch alignment requirement for texture references bound to pitched memory
size_t cv::cuda::DeviceInfo::totalConstMem | ( | ) | const |
constant memory available on device in bytes
size_t cv::cuda::DeviceInfo::totalGlobalMem | ( | ) | const |
global memory available on device in bytes
size_t cv::cuda::DeviceInfo::totalMemory | ( | ) | const |
bool cv::cuda::DeviceInfo::unifiedAddressing | ( | ) | const |
device shares a unified address space with the host
int cv::cuda::DeviceInfo::warpSize | ( | ) | const |
warp size in threads