petsc-3.7.1 2016-05-15
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VecCUSPRestoreArrayReadWrite

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

Synopsis

PETSC_EXTERN PetscErrorCode VecCUSPRestoreArrayReadWrite(Vec v, CUSPARRAY **a)
This marks the host data as out of date. Subsequent access to the Many brvector data on the host side with for instance VecGetArray() incurs a Many brdata transfer. Many br

Input Parameter

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

Fortran note

This function is not currently available from Fortran. Many br

Many br

See Also

VecCUSPGetCUDAArrayRead(), VecCUSPGetCUDAArrayWrite(), 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