olb::ConcreteCommunicatable< gpu::cuda::Column< T > > Class Template Reference

Communicatable implementation for a single gpu::cuda::Column. More...

#include <column.h>

Inheritance diagram for olb::ConcreteCommunicatable< gpu::cuda::Column< T > >:

Collaboration diagram for olb::ConcreteCommunicatable< gpu::cuda::Column< T > >:

Public Member Functions
	ConcreteCommunicatable (gpu::cuda::Column< T > &column)
std::size_t	size (ConstSpan< CellID > indices) const
	Get serialized size for data at locations indices
std::size_t	serialize (ConstSpan< CellID > indices, std::uint8_t *buffer) const
	Serialize data at locations indices to buffer
std::size_t	deserialize (ConstSpan< CellID > indices, const std::uint8_t *buffer)
	Deserialize data at locations indices to buffer
Public Member Functions inherited from olb::Communicatable
virtual	~Communicatable ()

Detailed Description

template<typename T>
class olb::ConcreteCommunicatable< gpu::cuda::Column< T > >

Communicatable implementation for a single gpu::cuda::Column.

This is only implemented to match the interface of CPU communication. The actual communication buffers for communicating block lattice data are handled using custom kernel functions in the the Platform::GPU_CUDA specialization of ConcreteBlockCommunicator.

Definition at line 199 of file column.h.

Constructor & Destructor Documentation

ConcreteCommunicatable()

template<typename T >

olb::ConcreteCommunicatable< gpu::cuda::Column< T > >::ConcreteCommunicatable ( gpu::cuda::Column< T > & column )

inline

Definition at line 204 of file column.h.

                                                  :
    _column{column} { }

Member Function Documentation

deserialize()

template<typename T >

std::size_t olb::ConcreteCommunicatable< gpu::cuda::Column< T > >::deserialize ( ConstSpan< CellID > indices, const std::uint8_t * buffer )

virtual

Deserialize data at locations indices to buffer

Implements olb::Communicatable.

Definition at line 342 of file column.hh.

{
  thrust::scatter(thrust::device,
                  thrust::device_pointer_cast(reinterpret_cast<const T*>(buffer)),
                  thrust::device_pointer_cast(reinterpret_cast<const T*>(buffer) + indices.size()),
                  thrust::device_pointer_cast(indices.begin()),
                  thrust::device_pointer_cast(_column.deviceData()));
  return indices.size() * sizeof(T);
}

References olb::ConstSpan< T >::begin(), and olb::ConstSpan< T >::size().

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serialize()

template<typename T >

std::size_t olb::ConcreteCommunicatable< gpu::cuda::Column< T > >::serialize ( ConstSpan< CellID > indices, std::uint8_t * buffer ) const

virtual

Serialize data at locations indices to buffer

Implements olb::Communicatable.

Definition at line 330 of file column.hh.

{
  thrust::gather(thrust::device,
                 thrust::device_pointer_cast(indices.begin()),
                 thrust::device_pointer_cast(indices.end()),
                 thrust::device_pointer_cast(_column.deviceData()),
                 thrust::device_pointer_cast(reinterpret_cast<T*>(buffer)));
  return indices.size() * sizeof(T);
}

References olb::ConstSpan< T >::begin(), olb::ConstSpan< T >::end(), and olb::ConstSpan< T >::size().

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size()

template<typename T >

std::size_t olb::ConcreteCommunicatable< gpu::cuda::Column< T > >::size ( ConstSpan< CellID > indices ) const

inlinevirtual

Get serialized size for data at locations indices

Implements olb::Communicatable.

Definition at line 208 of file column.h.

  {
    return indices.size() * sizeof(T);
  }

References olb::ConstSpan< T >::size().

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

• src/core/platform/gpu/cuda/column.h
• src/core/platform/gpu/cuda/column.hh