CudaHostAllocator< T > Struct Template Reference

Allocator that uses CUDA to allocate CPU memory. More...

#include <CudaHostAllocator.hpp>

Public Types
using	value_type = T
using	pointer = T *
using	reference = T &
using	const_reference = std::add_const_t< reference >

Public Member Functions
	CudaHostAllocator () noexcept=default
template<class U >
	CudaHostAllocator (const CudaHostAllocator< U > &)
template<class U >
bool	operator== (const CudaHostAllocator< U > &) const
template<class U >
bool	operator!= (const CudaHostAllocator< U > &) const
T *	allocate (const std::size_t n) const
void	deallocate (T *const p, std::size_t) const noexcept

Detailed Description

template<class T>
struct CudaHostAllocator< T >

Allocator that uses CUDA to allocate CPU memory.

Using the CUDA allocator can have performance benefits, because it returns pinned memory that is suitable for DMA.

Template Parameters

T	Type to allocate memory for.

Definition at line 38 of file CudaHostAllocator.hpp.

Member Typedef Documentation

const_reference

template<class T >

using CudaHostAllocator< T >::const_reference = std::add_const_t<reference>

Definition at line 42 of file CudaHostAllocator.hpp.

pointer

template<class T >

using CudaHostAllocator< T >::pointer = T *

Definition at line 40 of file CudaHostAllocator.hpp.

reference

template<class T >

using CudaHostAllocator< T >::reference = T &

Definition at line 41 of file CudaHostAllocator.hpp.

value_type

template<class T >

using CudaHostAllocator< T >::value_type = T

Definition at line 39 of file CudaHostAllocator.hpp.

Constructor & Destructor Documentation

CudaHostAllocator() [1/2]

template<class T >

CudaHostAllocator< T >::CudaHostAllocator ( )

defaultnoexcept

CudaHostAllocator() [2/2]

template<class T >

template<class U >

CudaHostAllocator< T >::CudaHostAllocator ( const CudaHostAllocator< U > &  )

inlineexplicit

Definition at line 45 of file CudaHostAllocator.hpp.

Member Function Documentation

allocate()

template<class T >

T * CudaHostAllocator< T >::allocate ( const std::size_t  n ) const

inline

Definition at line 53 of file CudaHostAllocator.hpp.

References cuda_malloc_host().

deallocate()

template<class T >

void CudaHostAllocator< T >::deallocate ( T *const  p, std::size_t    ) const

inlinenoexcept

Definition at line 61 of file CudaHostAllocator.hpp.

References cuda_free_host().

operator!=()

template<class T >

template<class U >

bool CudaHostAllocator< T >::operator!= ( const CudaHostAllocator< U > &  ) const

inline

Definition at line 49 of file CudaHostAllocator.hpp.

operator==()

template<class T >

template<class U >

bool CudaHostAllocator< T >::operator== ( const CudaHostAllocator< U > &  ) const

inline

Definition at line 46 of file CudaHostAllocator.hpp.

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The documentation for this struct was generated from the following file:

• CudaHostAllocator.hpp