cloudViewer::core::cuda Namespace Reference

Functions
int	DeviceCount ()
bool	IsAvailable ()
void	ReleaseCache ()
	Releases CUDA memory manager cache. This is typically used for debugging. More...
void	Synchronize ()
void	Synchronize (const Device &device)
void	AssertCUDADeviceAvailable (int device_id)
void	AssertCUDADeviceAvailable (const Device &device)
bool	SupportsMemoryPools (const Device &device)

Function Documentation

AssertCUDADeviceAvailable() [1/2]

void cloudViewer::core::cuda::AssertCUDADeviceAvailable

(

const Device &

device

)

Checks if the CUDA device-ID is available and throws error if not. The CUDA device-ID must be between 0 to device count - 1.

Parameters

device

The device to be checked.

Definition at line 102 of file CUDAUtils.cpp.

References AssertCUDADeviceAvailable(), cloudViewer::core::Device::GetID(), cloudViewer::core::Device::IsCUDA(), LogError, and cloudViewer::core::Device::ToString().

AssertCUDADeviceAvailable() [2/2]

void cloudViewer::core::cuda::AssertCUDADeviceAvailable

(

int

device_id

)

Checks if the CUDA device-ID is available and throws error if not. The CUDA device-ID must be between 0 to device count - 1.

Parameters

device_id

The cuda device id to be checked.

Definition at line 76 of file CUDAUtils.cpp.

References DeviceCount(), and LogError.

Referenced by AssertCUDADeviceAvailable().

DeviceCount()

int cloudViewer::core::cuda::DeviceCount

(

)

Returns the number of available CUDA devices. Returns 0 if CloudViewer is not compiled with CUDA support.

Definition at line 22 of file CUDAUtils.cpp.

References CLOUDVIEWER_CUDA_CHECK.

Referenced by AssertCUDADeviceAvailable(), cloudViewer_core_cuda_device_count(), cloudViewer::core::Device::GetAvailableCUDADevices(), IsAvailable(), cloudViewer::core::pybind_cuda_utils(), and Synchronize().

IsAvailable()

bool cloudViewer::core::cuda::IsAvailable

(

)

Returns true if CloudViewer is compiled with CUDA support and at least one compatible CUDA device is detected.

Definition at line 39 of file CUDAUtils.cpp.

References DeviceCount().

Referenced by cloudViewer::core::pybind_cuda_utils().

ReleaseCache()

void cloudViewer::core::cuda::ReleaseCache

(

)

Releases CUDA memory manager cache. This is typically used for debugging.

Definition at line 41 of file CUDAUtils.cpp.

References LogWarning, and cloudViewer::core::MemoryManagerCached::ReleaseCache().

Referenced by cloudViewer::core::pybind_cuda_utils().

SupportsMemoryPools()

bool cloudViewer::core::cuda::SupportsMemoryPools

(

const Device &

device

)

Checks if the CUDA device support Memory Pools used by the Stream Ordered Memory Allocator, see https://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__MEMORY__POOLS.html

Parameters

device

The device to be checked.

Definition at line 112 of file CUDAUtils.cpp.

References CLOUDVIEWER_CUDA_CHECK, cloudViewer::core::Device::GetID(), and cloudViewer::core::Device::IsCUDA().

Synchronize() [1/2]

void cloudViewer::core::cuda::Synchronize

(

)

Calls cudaDeviceSynchronize() for all CUDA devices. If CloudViewer is not compiled with CUDA this function has no effect.

Definition at line 59 of file CUDAUtils.cpp.

References cloudViewer::core::Device::CUDA, and DeviceCount().

Referenced by cloudViewer::core::StdGPUHashBackend< Key, Hash, Eq >::Allocate(), cloudViewer::core::SlabHashBackend< Key, Hash, Eq >::Allocate(), cloudViewer::t::pipelines::registration::BenchmarkDopplerICP(), cloudViewer::t::pipelines::registration::BenchmarkICP(), cloudViewer::core::BinaryEW(), cloudViewer::core::SlabHashBackend< Key, Hash, Eq >::BucketSizes(), cloudViewer::core::SlabHashBackend< Key, Hash, Eq >::Clear(), cloudViewer::t::pipelines::registration::ComputeFPFHFeature(), cloudViewer::t::pipelines::odometry::ComputeOdometryResultPointToPlane(), cloudViewer::core::SlabNodeManager::CountSlabsPerSuperblock(), cloudViewer::core::SlabHashBackend< Key, Hash, Eq >::Erase(), cloudViewer::core::StdGPUHashBackend< Key, Hash, Eq >::Erase(), cloudViewer::t::geometry::kernel::pointcloud::EstimateColorGradientsUsingHybridSearchCPU(), cloudViewer::t::geometry::kernel::pointcloud::EstimateColorGradientsUsingKNNSearchCPU(), cloudViewer::t::geometry::kernel::pointcloud::EstimateColorGradientsUsingRadiusSearchCPU(), cloudViewer::t::geometry::kernel::pointcloud::EstimateCovariancesUsingHybridSearchCPU(), cloudViewer::t::geometry::kernel::pointcloud::EstimateCovariancesUsingKNNSearchCPU(), cloudViewer::t::geometry::kernel::pointcloud::EstimateCovariancesUsingRadiusSearchCPU(), cloudViewer::t::geometry::kernel::pointcloud::EstimateNormalsFromCovariancesCPU(), cloudViewer::t::geometry::kernel::voxel_grid::EstimateRangeCPU(), cloudViewer::t::geometry::kernel::voxel_grid::ExtractPointCloudCPU(), cloudViewer::core::SlabHashBackend< Key, Hash, Eq >::Find(), cloudViewer::core::StdGPUHashBackend< Key, Hash, Eq >::Find(), cloudViewer::core::Free(), cloudViewer::t::geometry::FromLegacyPointCloud(), cloudViewer::core::SlabHashBackend< Key, Hash, Eq >::GetActiveIndices(), cloudViewer::core::HashClearInt(), cloudViewer::core::HashClearInt3(), cloudViewer::core::HashEraseInt(), cloudViewer::core::HashEraseInt3(), cloudViewer::core::HashFindInt(), cloudViewer::core::HashFindInt3(), cloudViewer::core::HashInsertInt(), cloudViewer::core::HashInsertInt3(), cloudViewer::core::HashReserveInt(), cloudViewer::core::HashReserveInt3(), cloudViewer::core::SlabHashBackend< Key, Hash, Eq >::Insert(), cloudViewer::core::StdGPUHashBackend< Key, Hash, Eq >::Insert(), cloudViewer::t::geometry::kernel::voxel_grid::IntegrateCPU(), cloudViewer::core::Malloc(), cloudViewer::core::MatmulAB(), cloudViewer::t::geometry::kernel::voxel_grid::RayCastCPU(), cloudViewer::core::Reduction(), cloudViewer::core::SlabNodeManager::Reset(), cloudViewer::t::pipelines::odometry::RGBDOdometryMultiScale(), cloudViewer::t::geometry::SelectByIndex(), cloudViewer::core::CUDAHashBackendBufferAccessor::Setup(), cloudViewer::t::geometry::ToLegacyPointCloud(), cloudViewer::t::geometry::Transform(), cloudViewer::core::UnaryEW(), cloudViewer::t::geometry::UniformDownSample(), cloudViewer::t::geometry::VoxelDownSample(), and cloudViewer::core::Zeros().

Synchronize() [2/2]

void cloudViewer::core::cuda::Synchronize

(

const Device &

device

)

Calls cudaDeviceSynchronize() for the specified device. If CloudViewer is not compiled with CUDA or if device is not a CUDA device, this function has no effect.

Parameters

device

The device to be synchronized.

Definition at line 67 of file CUDAUtils.cpp.

References CLOUDVIEWER_CUDA_CHECK, and cloudViewer::core::Device::IsCUDA().