:orphan:
# PetscSFDuplicateOption
Aspects to preserve when duplicating a `PetscSF` 
## Synopsis
```
typedef enum {
  PETSCSF_DUPLICATE_CONFONLY,
  PETSCSF_DUPLICATE_RANKS,
  PETSCSF_DUPLICATE_GRAPH
} PetscSFDuplicateOption;
```

## Values

- ***`PETSCSF_DUPLICATE_CONFONLY` -*** configuration only, user must call `PetscSFSetGraph()`
- ***`PETSCSF_DUPLICATE_RANKS` -*** communication ranks preserved, but different graph (allows simpler setup after calling `PetscSFSetGraph()`)
- ***`PETSCSF_DUPLICATE_GRAPH` -*** entire graph duplicated





## See Also
 `PetscSF`, `PetscSFDuplicate()`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscsf.h.html#PetscSFDuplicateOption">include/petscsf.h</A>


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