:orphan:
# PCTelescopeGetReductionFactor
Gets the factor by which the original number of MPI ranks  has been reduced by. 
## Synopsis
```
#include "petscksp.h" 
#include "petscdm.h" 
PetscErrorCode PCTelescopeGetReductionFactor(PC pc, PetscInt *fact)
```
Not Collective


## Input Parameter

- ***pc -*** the preconditioner context



## Output Parameter

- ***fact -*** the reduction factor





## See Also
 `PCTELESCOPE`, `PCTelescopeSetReductionFactor()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/telescope/telescope.c.html#PCTelescopeGetReductionFactor">src/ksp/pc/impls/telescope/telescope.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/telescope/telescope.c.html#PCTelescopeGetReductionFactor_Telescope">PCTelescopeGetReductionFactor_Telescope in src/ksp/pc/impls/telescope/telescope.c</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ksp/pc/impls/telescope/telescope.c)


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