VecCUDARestoreArrayRead

Restore a CUDA device pointer previously acquired with VecCUDAGetArrayRead().

Synopsis

#include <petscvec.h> 
PetscErrorCode VecCUDARestoreArrayRead(Vec v, const PetscScalar **a)

Not Collective; Asynchronous; No Fortran Support

Input Parameters

• v - the vector

• a - the CUDA device pointer

Note

This routine does not modify the corresponding array on the host in any way. The pointer is invalid after this function returns.

See Also

Vectors and Parallel Data, VecCUDAGetArrayRead(), VecCUDAGetArrayWrite(), VecCUDAGetArray(), VecGetArray(), VecRestoreArray(), VecGetArrayRead()

Level

intermediate

Location

src/vec/vec/impls/seq/cupm/cuda/vecseqcupm.cu

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Index of all Vec routines
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Index of all manual pages