[petsc-users] MatPermute for MPIBAIJ matrix Error

[Jed Brown]

Rongliang Chen <rl.chen at siat.ac.cn> writes:

> Dear Barry,
>
> Many thanks for your reply.
>
> In fact, we want to permute a sequential matrix which is a BAIJ matrix 
> (the sub matrix of the ASM) 

BJACOBI supports multiprocess subdomains.  GASM is supposed to support
multiprocess subdomains, though it's not very well tested.

> to reduce the bandwidth of the sub-matrix 

Why do you want to reduce the bandwidth?  What kind of solver are you using?
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 818 bytes
Desc: not available
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20160617/c109774a/attachment.pgp>