petsc-3.15.0 2021-04-05
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VecViennaCLGetCLMemRead

Provides access to the the CL buffer inside a Vec.

Synopsis

#include "petscvec.h" 
PETSC_EXTERN PetscErrorCode VecViennaCLGetCLMemRead(Vec v, PETSC_UINTPTR_T* mem)
Caller should cast (*mem) to (const cl_mem). Caller is responsible for invoking clReleaseMemObject().

Input Parameters

v - the vector

Output Parameters

mem - pointer to the device buffer

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