petsc-3.7.1 2016-05-15
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VecCUSPRestoreArrayWrite

Restore a CUSP device vector previously acquired with VecCUSPGetArrayWrite().

Synopsis

PETSC_EXTERN PetscErrorCode VecCUSPRestoreArrayWrite(Vec v, CUSPARRAY **a)
Data on the host will be marked as out of date. Subsequent access of Many brthe data on the host side e.g. with VecGetArray() will incur a device Many brto host data transfer. Many br

Input Parameter

v - the vector Many br
a - the CUDA device pointer. This pointer is invalid after Many brVecCUSPRestoreArrayWrite() returns. Many br

Fortran note

This function is not currently available from Fortran. Many br

Many br

See Also

VecCUSPGetArrayWrite(), VecCUSPGetArrayReadWrite(), VecCUSPGetArrayRead(), VecCUSPGetArrayWrite(), VecGetArray(), VecRestoreArray(), VecGetArrayRead()

Level:intermediate
Location:
src/vec/vec/impls/seq/seqcusp/veccusp2.cu
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/snes/examples/tutorials/ex47cu.cu.html