GpuMultidimArrayAtCpu< T > Class Template Reference

#include <xmipp_gpu_utils.h>

Public Member Functions
	GpuMultidimArrayAtCpu ()
	GpuMultidimArrayAtCpu (int _Xdim, int _Ydim=1, int _Zdim=1, int _Ndim=1)
void	resize (int _Xdim, int _Ydim=1, int _Zdim=1, int _Ndim=1)
void	fillImage (int n, const MultidimArray< T > &from)
bool	isEmpty ()
void	copyToGpu (GpuMultidimArrayAtGpu< T > &gpuArray, myStreamHandle &myStream)
void	copyFromGpu (GpuMultidimArrayAtGpu< T > &gpuArray, myStreamHandle myStream)
void	copyToGpuMultiple (GpuMultidimArrayAtGpu< T > &gpuArray, int numCopy, myStreamHandle myStream)
void	giveOneImage (GpuMultidimArrayAtCpu< T > out, int idx)
void	setOneImage (GpuMultidimArrayAtCpu< T > in, int idx)
void	clear ()
	~GpuMultidimArrayAtCpu ()

Public Attributes
int	Xdim
int	Ydim
int	Zdim
int	Ndim
int	yxdim
int	zyxdim
int	nzyxdim
T *	data

Detailed Description

template<typename T>
class GpuMultidimArrayAtCpu< T >

Definition at line 36 of file xmipp_gpu_utils.h.

Constructor & Destructor Documentation

GpuMultidimArrayAtCpu() [1/2]

template<typename T>

GpuMultidimArrayAtCpu< T >::GpuMultidimArrayAtCpu ( )

inline

Definition at line 42 of file xmipp_gpu_utils.h.

    {
        Xdim=Ydim=Zdim=Ndim=yxdim=zyxdim=nzyxdim=0;
        data=NULL;
    }

GpuMultidimArrayAtCpu() [2/2]

template<typename T>

GpuMultidimArrayAtCpu< T >::GpuMultidimArrayAtCpu ( int  _Xdim, int  _Ydim = 1, int  _Zdim = 1, int  _Ndim = 1  )

inline

Definition at line 48 of file xmipp_gpu_utils.h.

    {
        Xdim=Ydim=Zdim=Ndim=yxdim=zyxdim=nzyxdim=0;
        data=NULL;
        resize(_Xdim, _Ydim, _Zdim, _Ndim);
    }

~GpuMultidimArrayAtCpu()

template<typename T>

GpuMultidimArrayAtCpu< T >::~GpuMultidimArrayAtCpu ( )

inline

Definition at line 129 of file xmipp_gpu_utils.h.

    {
        clear();
    }

Member Function Documentation

clear()

template<typename T >

template void GpuMultidimArrayAtCpu< T >::clear

(

)

Definition at line 30 of file xmipp_gpu_utils.cpp.

{
    if (data!=nullptr){;
        cpuFree(data);
    }
    data=nullptr;

}

copyFromGpu()

template<typename T>

void GpuMultidimArrayAtCpu< T >::copyFromGpu ( GpuMultidimArrayAtGpu< T > &  gpuArray, myStreamHandle  myStream  )

inline

Definition at line 99 of file xmipp_gpu_utils.h.

    {
        gpuCopyFromGPUToCPUStream(gpuArray.d_data, data, nzyxdim*sizeof(T), myStream);

    }

copyToGpu()

template<typename T>

void GpuMultidimArrayAtCpu< T >::copyToGpu ( GpuMultidimArrayAtGpu< T > &  gpuArray, myStreamHandle &  myStream  )

inline

Definition at line 90 of file xmipp_gpu_utils.h.

    {
        if (gpuArray.isEmpty()){
            gpuArray.resize(Xdim,Ydim,Zdim,Ndim);
        }

        gpuCopyFromCPUToGPUStream(data, gpuArray.d_data, nzyxdim*sizeof(T), myStream);
    }

copyToGpuMultiple()

template<typename T>

void GpuMultidimArrayAtCpu< T >::copyToGpuMultiple ( GpuMultidimArrayAtGpu< T > &  gpuArray, int  numCopy, myStreamHandle  myStream  )

inline

Definition at line 105 of file xmipp_gpu_utils.h.

    {
        if (gpuArray.isEmpty())
            gpuArray.resize(Xdim,Ydim,Zdim,numCopy);

        int index = 0;
        for(int i=0; i<numCopy; i++){
            gpuCopyFromCPUToGPUStream(data, &gpuArray.d_data[index], nzyxdim*sizeof(T), myStream);
            index=index+nzyxdim;
        }
    }

fillImage()

template<typename T>

void GpuMultidimArrayAtCpu< T >::fillImage ( int  n, const MultidimArray< T > &  from  )

inline

Definition at line 79 of file xmipp_gpu_utils.h.

    {
        //TODO: preguntar esto, en el host puedo usar un memcpy??
        memcpy(data+n*zyxdim, MULTIDIM_ARRAY(from), MULTIDIM_SIZE(from)*sizeof(T));
    }

giveOneImage()

template<typename T>

void GpuMultidimArrayAtCpu< T >::giveOneImage ( GpuMultidimArrayAtCpu< T >  out, int  idx  )

inline

Definition at line 117 of file xmipp_gpu_utils.h.

                                                            {
        if (out.isEmpty())
            out.resize(Xdim,Ydim,Zdim,1);
        memcpy(out.data, data[idx*zyxdim], zyxdim*sizeof(T));
    }

isEmpty()

template<typename T>

bool GpuMultidimArrayAtCpu< T >::isEmpty ( )

inline

Definition at line 85 of file xmipp_gpu_utils.h.

    {
        return data==NULL;
    }

resize()

template<typename T>

void GpuMultidimArrayAtCpu< T >::resize ( int  _Xdim, int  _Ydim = 1, int  _Zdim = 1, int  _Ndim = 1  )

inline

Definition at line 55 of file xmipp_gpu_utils.h.

    {
        //FIXME what happens if x and y swaps?
        if (_Xdim*_Ydim*_Zdim*_Ndim==nzyxdim){

            return;
        }

        clear();

        Xdim=_Xdim;
        Ydim=_Ydim;
        Zdim=_Zdim;
        Ndim=_Ndim;
        yxdim=(size_t)_Ydim*_Xdim;
        zyxdim=yxdim*_Zdim;
        nzyxdim=zyxdim*_Ndim;
        if (nzyxdim>0){
            //data=new T[nzyxdim];
            cpuMalloc((void**)&data, nzyxdim*sizeof(T));
        }else
            data=NULL;
    }

setOneImage()

template<typename T>

void GpuMultidimArrayAtCpu< T >::setOneImage ( GpuMultidimArrayAtCpu< T >  in, int  idx  )

inline

Definition at line 123 of file xmipp_gpu_utils.h.

                                                          {
        memcpy(data[idx*zyxdim], in.data, zyxdim*sizeof(T));
    }

Member Data Documentation

data

template<typename T>

T* GpuMultidimArrayAtCpu< T >::data

Definition at line 40 of file xmipp_gpu_utils.h.

Ndim

template<typename T>

int GpuMultidimArrayAtCpu< T >::Ndim

Definition at line 39 of file xmipp_gpu_utils.h.

nzyxdim

template<typename T>

int GpuMultidimArrayAtCpu< T >::nzyxdim

Definition at line 39 of file xmipp_gpu_utils.h.

Xdim

template<typename T>

int GpuMultidimArrayAtCpu< T >::Xdim

Definition at line 39 of file xmipp_gpu_utils.h.

Ydim

template<typename T>

int GpuMultidimArrayAtCpu< T >::Ydim

Definition at line 39 of file xmipp_gpu_utils.h.

yxdim

template<typename T>

int GpuMultidimArrayAtCpu< T >::yxdim

Definition at line 39 of file xmipp_gpu_utils.h.

Zdim

template<typename T>

int GpuMultidimArrayAtCpu< T >::Zdim

Definition at line 39 of file xmipp_gpu_utils.h.

zyxdim

template<typename T>

int GpuMultidimArrayAtCpu< T >::zyxdim

Definition at line 39 of file xmipp_gpu_utils.h.

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

• xmipp/legacy/libraries/reconstruction_adapt_cuda/xmipp_gpu_utils.h
• xmipp/legacy/libraries/reconstruction_adapt_cuda/xmipp_gpu_utils.cpp