cms::cuda::VecArray< T, maxSize > Class Template Reference

#include <VecArray.h>

Public Types
using	self = VecArray< T, maxSize >
using	value_t = T

Public Member Functions
constexpr T &	back () const
constexpr T const *	begin () const
constexpr T *	begin ()
constexpr T const *	data () const
template<class... Ts>
__device__ int	emplace_back (Ts &&...args)
template<class... Ts>
constexpr int	emplace_back_unsafe (Ts &&...args)
constexpr bool	empty () const
constexpr T const *	end () const
constexpr T *	end ()
constexpr bool	full () const
constexpr T &	operator[] (int i)
constexpr const T &	operator[] (int i) const
constexpr T	pop_back ()
__device__ int	push_back (const T &element)
constexpr int	push_back_unsafe (const T &element)
constexpr void	reset ()
constexpr void	resize (int size)
constexpr int	size () const

Static Public Member Functions
static constexpr int	capacity ()

Private Attributes
T	m_data [maxSize]
int	m_size

Detailed Description

template<class T, int maxSize>
class cms::cuda::VecArray< T, maxSize >

Definition at line 14 of file VecArray.h.

Member Typedef Documentation

self

template<class T, int maxSize>

using cms::cuda::VecArray< T, maxSize >::self = VecArray<T, maxSize>

Definition at line 16 of file VecArray.h.

value_t

template<class T, int maxSize>

using cms::cuda::VecArray< T, maxSize >::value_t = T

Definition at line 17 of file VecArray.h.

Member Function Documentation

back()

template<class T, int maxSize>

constexpr T& cms::cuda::VecArray< T, maxSize >::back ( ) const

inline

Definition at line 44 of file VecArray.h.

                                       {
        if (m_size > 0) {
          return m_data[m_size - 1];
        } else
          return T();  //undefined behaviour
      }

begin() [1/2]

template<class T, int maxSize>

constexpr T const* cms::cuda::VecArray< T, maxSize >::begin ( void  ) const

inline

Definition at line 83 of file VecArray.h.

{ return m_data; }

begin() [2/2]

template<class T, int maxSize>

constexpr T* cms::cuda::VecArray< T, maxSize >::begin ( void  )

inline

Definition at line 85 of file VecArray.h.

{ return m_data; }

capacity()

template<class T, int maxSize>

static constexpr int cms::cuda::VecArray< T, maxSize >::capacity ( )

inlinestatic

Definition at line 91 of file VecArray.h.

{ return maxSize; }

data()

template<class T, int maxSize>

constexpr T const* cms::cuda::VecArray< T, maxSize >::data ( ) const

inline

Definition at line 92 of file VecArray.h.

{ return m_data; }

emplace_back()

template<class T, int maxSize>

template<class... Ts>

__device__ int cms::cuda::VecArray< T, maxSize >::emplace_back ( Ts &&...  args )

inline

Definition at line 64 of file VecArray.h.

                                                {
        auto previousSize = atomicAdd(&m_size, 1);
        if (previousSize < maxSize) {
          (new (&m_data[previousSize]) T(std::forward<Ts>(args)...));
          return previousSize;
        } else {
          atomicSub(&m_size, 1);
          return -1;
        }
      }

emplace_back_unsafe()

template<class T, int maxSize>

template<class... Ts>

constexpr int cms::cuda::VecArray< T, maxSize >::emplace_back_unsafe ( Ts &&...  args )

inline

Definition at line 32 of file VecArray.h.

                                                      {
        auto previousSize = m_size;
        m_size++;
        if (previousSize < maxSize) {
          (new (&m_data[previousSize]) T(std::forward<Ts>(args)...));
          return previousSize;
        } else {
          --m_size;
          return -1;
        }
      }

empty()

template<class T, int maxSize>

constexpr bool cms::cuda::VecArray< T, maxSize >::empty ( void  ) const

inline

Definition at line 94 of file VecArray.h.

{ return 0 == m_size; }

end() [1/2]

template<class T, int maxSize>

constexpr T const* cms::cuda::VecArray< T, maxSize >::end ( void  ) const

inline

Definition at line 84 of file VecArray.h.

{ return m_data + m_size; }

end() [2/2]

template<class T, int maxSize>

constexpr T* cms::cuda::VecArray< T, maxSize >::end ( void  )

inline

Definition at line 86 of file VecArray.h.

{ return m_data + m_size; }

full()

template<class T, int maxSize>

constexpr bool cms::cuda::VecArray< T, maxSize >::full ( ) const

inline

Definition at line 95 of file VecArray.h.

{ return maxSize == m_size; }

operator[]() [1/2]

template<class T, int maxSize>

constexpr T& cms::cuda::VecArray< T, maxSize >::operator[] ( int  i )

inline

Definition at line 88 of file VecArray.h.

{ return m_data[i]; }

operator[]() [2/2]

template<class T, int maxSize>

constexpr const T& cms::cuda::VecArray< T, maxSize >::operator[] ( int  i ) const

inline

Definition at line 89 of file VecArray.h.

{ return m_data[i]; }

pop_back()

template<class T, int maxSize>

constexpr T cms::cuda::VecArray< T, maxSize >::pop_back ( )

inline

Definition at line 75 of file VecArray.h.

                                    {
        if (m_size > 0) {
          auto previousSize = m_size--;
          return m_data[previousSize - 1];
        } else
          return T();
      }

push_back()

template<class T, int maxSize>

__device__ int cms::cuda::VecArray< T, maxSize >::push_back ( const T &  element )

inline

Definition at line 52 of file VecArray.h.

                                                 {
        auto previousSize = atomicAdd(&m_size, 1);
        if (previousSize < maxSize) {
          m_data[previousSize] = element;
          return previousSize;
        } else {
          atomicSub(&m_size, 1);
          return -1;
        }
      }

push_back_unsafe()

template<class T, int maxSize>

constexpr int cms::cuda::VecArray< T, maxSize >::push_back_unsafe ( const T &  element )

inline

Definition at line 19 of file VecArray.h.

                                                              {
        auto previousSize = m_size;
        m_size++;
        if (previousSize < maxSize) {
          m_data[previousSize] = element;
          return previousSize;
        } else {
          --m_size;
          return -1;
        }
      }

reset()

template<class T, int maxSize>

constexpr void cms::cuda::VecArray< T, maxSize >::reset ( void  )

inline

Definition at line 90 of file VecArray.h.

{ m_size = 0; }

resize()

template<class T, int maxSize>

constexpr void cms::cuda::VecArray< T, maxSize >::resize ( int  size )

inline

Definition at line 93 of file VecArray.h.

{ m_size = size; }

size()

template<class T, int maxSize>

constexpr int cms::cuda::VecArray< T, maxSize >::size ( void  ) const

inline

Definition at line 87 of file VecArray.h.

Referenced by ntupleDataFormat._Collection::__iter__(), ntupleDataFormat._Collection::__len__(), and cms::cuda::VecArray< TrackerTraits >::resize().

{ return m_size; }

Member Data Documentation

m_data

template<class T, int maxSize>

T cms::cuda::VecArray< T, maxSize >::m_data[maxSize]

private

Definition at line 98 of file VecArray.h.

Referenced by cms::cuda::VecArray< TrackerTraits >::back(), cms::cuda::VecArray< TrackerTraits >::begin(), cms::cuda::VecArray< TrackerTraits >::data(), cms::cuda::VecArray< TrackerTraits >::emplace_back(), cms::cuda::VecArray< TrackerTraits >::emplace_back_unsafe(), cms::cuda::VecArray< TrackerTraits >::end(), cms::cuda::VecArray< TrackerTraits >::operator[](), cms::cuda::VecArray< TrackerTraits >::pop_back(), cms::cuda::VecArray< TrackerTraits >::push_back(), and cms::cuda::VecArray< TrackerTraits >::push_back_unsafe().

m_size

template<class T, int maxSize>

int cms::cuda::VecArray< T, maxSize >::m_size

private

Definition at line 100 of file VecArray.h.

Referenced by cms::cuda::VecArray< TrackerTraits >::back(), cms::cuda::VecArray< TrackerTraits >::emplace_back(), cms::cuda::VecArray< TrackerTraits >::emplace_back_unsafe(), cms::cuda::VecArray< TrackerTraits >::empty(), cms::cuda::VecArray< TrackerTraits >::end(), cms::cuda::VecArray< TrackerTraits >::full(), cms::cuda::VecArray< TrackerTraits >::pop_back(), cms::cuda::VecArray< TrackerTraits >::push_back(), cms::cuda::VecArray< TrackerTraits >::push_back_unsafe(), cms::cuda::VecArray< TrackerTraits >::reset(), cms::cuda::VecArray< TrackerTraits >::resize(), and cms::cuda::VecArray< TrackerTraits >::size().