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# MatMPIAIJSetUseScalableIncreaseOverlap
Determine if the matrix uses a scalable algorithm to compute the overlap 
## Synopsis
```
#include "petscmat.h" 
PetscErrorCode MatMPIAIJSetUseScalableIncreaseOverlap(Mat A, PetscBool sc)
```
Collective


## Input Parameters

- ***A -*** the matrix
- ***sc -*** `PETSC_TRUE` indicates use the scalable algorithm (default is not to use the scalable algorithm)





## See Also
 [](ch_matrices), `Mat`, `Mat`, `MATMPIAIJ`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/impls/aij/mpi/mpiaij.c.html#MatMPIAIJSetUseScalableIncreaseOverlap">src/mat/impls/aij/mpi/mpiaij.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/impls/aij/mpi/mpiaij.c.html#MatMPIAIJSetUseScalableIncreaseOverlap_MPIAIJ">MatMPIAIJSetUseScalableIncreaseOverlap_MPIAIJ in src/mat/impls/aij/mpi/mpiaij.c</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/impls/aij/mpi/mpiaij.c)


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