olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR > Class Template Reference

Device-side implementation of the data-only Cell concept for collision steps. More...

#include <context.hh>

Inheritance diagram for olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >:

Collaboration diagram for olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >:

Public Types
using	value_t = T
using	descriptor_t = DESCRIPTOR

Public Member Functions
	DataOnlyCell (DeviceContext< T, DESCRIPTOR > &data, CellID iCell) __device__
template<typename FIELD >
FIELD::template value_type< T >	getFieldComponent (unsigned iD) __device__
value_t &	operator[] (int iPop) __device__
template<typename FIELD >
auto	getField () const __device__
template<typename FIELD >
FieldPtr< T, DESCRIPTOR, FIELD >	getFieldPointer () __device__
template<typename FIELD >
void	setField (FieldD< value_t, descriptor_t, FIELD > &&value) __device__
template<typename FIELD >
void	setField (const FieldD< value_t, descriptor_t, FIELD > &value) __device__

Protected Attributes
DeviceContext< T, DESCRIPTOR > &	_data
CellID	_iCell

Detailed Description

template<typename T, typename DESCRIPTOR>
class olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >

Device-side implementation of the data-only Cell concept for collision steps.

Definition at line 140 of file context.hh.

Member Typedef Documentation

descriptor_t

template<typename T , typename DESCRIPTOR >

using olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::descriptor_t = DESCRIPTOR

Definition at line 147 of file context.hh.

value_t

template<typename T , typename DESCRIPTOR >

using olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::value_t = T

Definition at line 146 of file context.hh.

Constructor & Destructor Documentation

DataOnlyCell()

template<typename T , typename DESCRIPTOR >

olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::DataOnlyCell ( DeviceContext< T, DESCRIPTOR > & data, CellID iCell )

inline

Definition at line 149 of file context.hh.

                                                                          :
    _data(data),
    _iCell(iCell)
  { }

Member Function Documentation

getField()

template<typename T , typename DESCRIPTOR >

template<typename FIELD >

auto olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::getField ( ) const

inline

Definition at line 164 of file context.hh.

                                   {
    auto fieldArray = _data.template getField<FIELD>();
    if constexpr (descriptor_t::template size<FIELD>() == 1) {
      return fieldArray[0][_iCell];
    } else {
      return FieldD<value_t,descriptor_t,FIELD>([&](unsigned iD) {
        return fieldArray[iD][_iCell];
      });
    }
  }

References olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_data, and olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_iCell.

getFieldComponent()

template<typename T , typename DESCRIPTOR >

template<typename FIELD >

FIELD::template value_type< T > olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::getFieldComponent ( unsigned iD )

inline

Definition at line 155 of file context.hh.

                                                                                 {
    return _data.template getField<FIELD>()[iD][_iCell];
  }

References olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_data, and olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_iCell.

getFieldPointer()

template<typename T , typename DESCRIPTOR >

template<typename FIELD >

FieldPtr< T, DESCRIPTOR, FIELD > olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::getFieldPointer ( )

inline

Definition at line 176 of file context.hh.

                                                            {
    return FieldPtr<T,DESCRIPTOR,FIELD>(_data, _iCell);
  }

References olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_data, and olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_iCell.

operator[]()

template<typename T , typename DESCRIPTOR >

value_t & olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::operator[] ( int iPop )

inline

Definition at line 159 of file context.hh.

                                           {
    return _data.template getField<descriptors::POPULATION>()[iPop][_iCell];
  }

References olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_data, and olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_iCell.

Here is the caller graph for this function:

setField() [1/2]

template<typename T , typename DESCRIPTOR >

template<typename FIELD >

void olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::setField ( const FieldD< value_t, descriptor_t, FIELD > & value )

inline

Definition at line 189 of file context.hh.

                                                                            {
    auto fieldArray = _data.template getField<FIELD>();
    for (unsigned iD=0; iD < descriptor_t::template size<FIELD>(); ++iD) {
      fieldArray[iD][_iCell] = value[iD];
    }
  }

References olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_data, and olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_iCell.

setField() [2/2]

template<typename T , typename DESCRIPTOR >

template<typename FIELD >

void olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::setField ( FieldD< value_t, descriptor_t, FIELD > && value )

inline

Definition at line 181 of file context.hh.

                                                                       {
    auto fieldArray = _data.template getField<FIELD>();
    for (unsigned iD=0; iD < descriptor_t::template size<FIELD>(); ++iD) {
      fieldArray[iD][_iCell] = value[iD];
    }
  }

References olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_data, and olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_iCell.

Member Data Documentation

_data

template<typename T , typename DESCRIPTOR >

DeviceContext<T,DESCRIPTOR>& olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_data

protected

Definition at line 142 of file context.hh.

_iCell

template<typename T , typename DESCRIPTOR >

CellID olb::gpu::cuda::DataOnlyCell< T, DESCRIPTOR >::_iCell

protected

Definition at line 143 of file context.hh.

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

• src/core/platform/gpu/cuda/context.hh