petsc-3.14.1 2020-11-03
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MatCreateDenseCUDA

Creates a matrix in dense format using CUDA.

Synopsis

#include "petscmat.h"  
PetscErrorCode  MatCreateDenseCUDA(MPI_Comm comm,PetscInt m,PetscInt n,PetscInt M,PetscInt N,PetscScalar *data,Mat *A)
Collective

Input Parameters

comm - MPI communicator
m - number of local rows (or PETSC_DECIDE to have calculated if M is given)
n - number of local columns (or PETSC_DECIDE to have calculated if N is given)
M - number of global rows (or PETSC_DECIDE to have calculated if m is given)
N - number of global columns (or PETSC_DECIDE to have calculated if n is given)
data - optional location of GPU matrix data. Set data=NULL for PETSc to control matrix memory allocation.

Output Parameter

A - the matrix

Notes

See Also

MatCreate(), MatCreateDense()

Level

intermediate

Location

src/mat/impls/dense/mpi/mpidense.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages