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# VecGetPinnedMemoryMin
Get the minimum data size for which pinned memory will be used for host (CPU) allocations. 
## Synopsis
```
#include "petscvec.h"   
PetscErrorCode VecGetPinnedMemoryMin(Vec v, size_t *mbytes)
```
Logically Collective


## Input Parameter

- ***v    -*** the vector



## Output Parameter

- ***mbytes -*** minimum data size in bytes





## See Also
 [](ch_vectors), `Vec`, `VecSetPinnedMemoryMin()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/vec/interface/vector.c.html#VecGetPinnedMemoryMin">src/vec/vec/interface/vector.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/vec/vec/interface/vector.c)


[Index of all Vec routines](index.md)  
[Table of Contents for all manual pages](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)