device.h File Reference

#include <cuda_runtime_api.h>

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Classes
class	olb::gpu::cuda::device::unique_ptr< T >
	Managed pointer for device-side memory. More...
class	olb::gpu::cuda::device::Stream
	Basic wrapper for device stream. More...

Namespaces
namespace	olb
	Top level namespace for all of OpenLB.
namespace	olb::gpu
	Implementations of GPU specifics.
namespace	olb::gpu::cuda
	Implementations of Nvidia CUDA specifics.
namespace	olb::gpu::cuda::device
	Basic wrappers of common CUDA functions.

Functions
int	olb::gpu::cuda::device::getCount ()
	Return number of available devices.
void	olb::gpu::cuda::device::check ()
	Check errors.
void	olb::gpu::cuda::device::synchronize ()
	Synchronize device.
int	olb::gpu::cuda::device::get ()
	Get current device.
void	olb::gpu::cuda::device::copyToHost (void *src, void *dst, std::size_t count)
	Copy data from device to host.
void	olb::gpu::cuda::device::copyToDevice (void *src, void *dst, std::size_t count)
	Copy data from host to device.
template<typename T >
T *	olb::gpu::cuda::device::malloc (std::size_t size)
	Allocate data on device.
std::size_t	olb::gpu::cuda::device::getDevicePageSize ()
	Returns device memory page size.
template<typename T >
std::size_t	olb::gpu::cuda::device::getPageAlignedCount (std::size_t count)
	Returns count rounded up to be a multiple of getDevicePageSize
void	olb::gpu::cuda::device::asyncCopyToHost (Stream &stream, void *src, void *dst, std::size_t count)
	Copy data from device to host (async)
void	olb::gpu::cuda::device::asyncCopyToDevice (Stream &stream, void *src, void *dst, std::size_t count)
	Copy data from host to device (async)