Cuda Xmipp Utils

Collaboration diagram for Cuda Xmipp Utils:

Classes
class	mycufftHandle
class	myStreamHandle
class	XmippDim3
class	TransformMatrix< T >
class	GpuMultidimArrayAtGpu< T >

Macros
#define	CONVERT2DIM3(d)   (dim3((d).x,(d).y,(d).z))

Functions
template<typename T >
T *	loadToGPU (const T *data, size_t items)
void	cuda_check_gpu_memory (float *data)
void	cuda_check_gpu_properties (int *maxGridSize)

Detailed Description

Macro Definition Documentation

CONVERT2DIM3

#define CONVERT2DIM3

(

d

)

(dim3((d).x,(d).y,(d).z))

Definition at line 92 of file cuda_xmipp_utils.h.

Function Documentation

cuda_check_gpu_memory()

void cuda_check_gpu_memory

(

float *

data

)

Definition at line 323 of file cuda_xmipp_utils.cpp.

{
    size_t free_byte, total_byte;
    gpuErrchk(cudaMemGetInfo(&free_byte, &total_byte));

    float free_db = (float)free_byte;
    float total_db = (float)total_byte;
    float used_db = total_db - free_db;

    data[0]=total_db;
    data[1]=free_db;
    data[2]=used_db;
}

cuda_check_gpu_properties()

void cuda_check_gpu_properties

(

int *

maxGridSize

)

Definition at line 337 of file cuda_xmipp_utils.cpp.

{
    cudaDeviceProp prop;
    cudaGetDeviceProperties(&prop, 0);
    grid[0] = prop.maxGridSize[0];
    grid[1] = prop.maxGridSize[1];
    grid[2] = prop.maxGridSize[2];
}

loadToGPU()

template<typename T >

T* loadToGPU	(	const T *	data,
		size_t	items
	)

Definition at line 401 of file cuda_xmipp_utils.cpp.

                                          {
T* d_data;
size_t bytes = items * sizeof(T);
gpuErrchk(cudaMalloc(&d_data, bytes));
gpuErrchk(cudaMemcpy(d_data, data, bytes, cudaMemcpyHostToDevice));
return d_data;
}