VecCUDARestoreArrayRead#

Restore a CUDA device pointer previously acquired with VecCUDAGetArrayRead().

Synopsis#

#include <petscvec.h> 
PetscErrorCode VecCUDARestoreArrayRead(Vec v, const PetscScalar **a)

Not Collective; Asynchronous; No Fortran Support

Input Parameters#

v - the vector
a - the CUDA device pointer

Note#

This routine does not modify the corresponding array on the host in any way. The pointer is invalid after this function returns.

See Also#

Vectors and Parallel Data, VecCUDAGetArrayRead(), VecCUDAGetArrayWrite(), VecCUDAGetArray(), VecGetArray(), VecRestoreArray(), VecGetArrayRead()

Level#

intermediate

Location#

src/vec/vec/impls/seq/cupm/cuda/vecseqcupm.cu

Examples#

src/snes/tutorials/ex47cu.cu

Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages