VecCUDARestoreArrayWrite#
Restore a CUDA device pointer previously acquired with VecCUDAGetArrayWrite()
.
Synopsis#
#include "petscvec.h"
PETSC_EXTERN PetscErrorCode VecCUDARestoreArrayWrite(Vec v, PetscScalar **a)
Not Collective; No Fortran Support
Input Parameters#
v - the vector
a - the CUDA device pointer. This pointer is invalid after
VecCUDARestoreArrayWrite()
returns.
Note#
Data on the host will be marked as out of date. Subsequent access of
the data on the host side e.g. with VecGetArray()
will incur a device
to host data transfer.
See Also#
Vectors and Parallel Data, Vec
, VecCUDAGetArrayWrite()
, VecCUDAGetArray()
, VecCUDAGetArrayRead()
, VecCUDAGetArrayWrite()
, VecGetArray()
, VecRestoreArray()
, VecGetArrayRead()
Level#
intermediate
Location#
Examples#
src/snes/tutorials/ex47cu.cu.html
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages