petsc-3.15.0 2021-04-05
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VecHIPRestoreArrayWrite

Restore a HIP device pointer previously acquired with VecHIPGetArrayWrite().

Synopsis

#include "petscvec.h"   
PETSC_EXTERN PetscErrorCode VecHIPRestoreArrayWrite(Vec v, PetscScalar **a)
Data on the host will be marked as out of date.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.

Input Parameter

v - the vector
a - the HIP device pointer. This pointer is invalid after VecHIPRestoreArrayWrite() returns.

Fortran note

This function is not currently available from Fortran.

See Also

VecHIPGetArrayWrite(), VecHIPGetArray(), VecHIPGetArrayRead(), VecHIPGetArrayWrite(), VecGetArray(), VecRestoreArray(), VecGetArrayRead()

Level

intermediate

Location

src/vec/vec/interface/rvector.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages