petsc-master 2020-10-29
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VecViennaCLRestoreCLMemWrite

Restores a CL buffer pointer previously acquired with VecViennaCLGetCLMemWrite().

Synopsis

#include "petscvec.h" 
PETSC_EXTERN PetscErrorCode VecViennaCLRestoreCLMemWrite(Vec v)
This marks the host data as out of date. Subsequent access to the vector data on the host side with for instance VecGetArray() incurs a data transfer.

Input Parameters

v - the vector

See Also

VecViennaCLGetCLContext(), VecViennaCLGetCLMemWrite()

Level

intermediate

Location

src/vec/vec/impls/seq/seqviennacl/vecviennacl.cxx
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages