GPUCSR< Index > Class Template Reference

A CSR matrix backed by CUDA Unified Memory. More...

#include <gpu_csr.hpp>

Collaboration diagram for GPUCSR< Index >:

Public Member Functions
	GPUCSR ()
	empty CSR More...
PANGOLIN_CUDA_MEMBER uint64_t	nnz () const
	number of non-zeros More...
uint64_t	num_nodes () const
	number of unique row/col indices More...
PANGOLIN_CUDA_MEMBER uint64_t	num_rows () const
	number of matrix rows More...
PANGOLIN_CUDA_MEMBER uint64_t	max_col () const
	number of matrix columns More...
GPUCSRView< Index >	view () const
	create a GPUCSRView for this GPUCSR More...
const Index *	deviceRowPtr ()
	row offset array, valid on device More...
const Index *	deviceColInd ()
	column index array, valid on device More...

Static Public Member Functions
static GPUCSR< Index >	from_edgelist (const EdgeList &es, bool(*edgeFilter)(const Edge &)=nullptr)

Public Attributes
Vector< Index >	rowOffset_
	offset in col_ that each row starts at More...
Vector< Index >	col_
	non-zero column indices More...

Private Attributes
Index	maxCol_

Detailed Description

template<typename Index>
class GPUCSR< Index >

A CSR matrix backed by CUDA Unified Memory.

Copying to a GPU kernel by value will cause the underling memory to be copied as well. For read-only GPU access, use the view() method to get a lightweight reference to the CSR data.

Constructor & Destructor Documentation

GPUCSR()

template<typename Index >

GPUCSR< Index >::GPUCSR

(

)

empty CSR

Member Function Documentation

deviceColInd()

template<typename Index>

const Index* GPUCSR< Index >::deviceColInd ( )

inline

column index array, valid on device

deviceRowPtr()

template<typename Index>

const Index* GPUCSR< Index >::deviceRowPtr ( )

inline

row offset array, valid on device

from_edgelist()

template<typename Index >

GPUCSR< Index > GPUCSR< Index >::from_edgelist ( const EdgeList &  es, bool(*)(const Edge &)  edgeFilter = nullptr  )

static

Build a GPUCSR from an EdgeList

Do not include edges where edgeFilter(edge) returns true

max_col()

template<typename Index>

PANGOLIN_CUDA_MEMBER uint64_t GPUCSR< Index >::max_col ( ) const

inline

number of matrix columns

nnz()

template<typename Index>

PANGOLIN_CUDA_MEMBER uint64_t GPUCSR< Index >::nnz ( ) const

inline

number of non-zeros

num_nodes()

template<typename Index >

uint64_t GPUCSR< Index >::num_nodes

(

)

const

number of unique row/col indices

num_rows()

template<typename Index >

PANGOLIN_CUDA_MEMBER uint64_t GPUCSR< Index >::num_rows

(

)

const

number of matrix rows

view()

template<typename Index >

GPUCSRView< Index > GPUCSR< Index >::view

(

)

const

create a GPUCSRView for this GPUCSR

Member Data Documentation

col_

template<typename Index>

Vector<Index> GPUCSR< Index >::col_

non-zero column indices

maxCol_

template<typename Index>

Index GPUCSR< Index >::maxCol_

private

rowOffset_

template<typename Index>

Vector<Index> GPUCSR< Index >::rowOffset_

offset in col_ that each row starts at

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

• /home/pearson/repos/pangolin/include/pangolin/sparse/gpu_csr.hpp
• /home/pearson/repos/pangolin/include/pangolin/sparse/gpu_csr-impl.hpp