[petsc-users] Richardson with multiplicative MG vs. full MG

[Barry Smith]

On Aug 13, 2012, at 6:29 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> On Mon, Aug 13, 2012 at 4:58 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
> For now I'd like to get a better handle on what types of variants there would be. This can be handled by including them and seeing what patterns come up and then later unifying them.
> 
> Common variants include over-weighting, using a different discretization for residual and correction, and doing a different correction on the second leg of a W cycle.
> 
> This paper is a good example of what an exotic FAS MG cycle can look like.
> 
> http://ftp.cs.technion.ac.il/he/people/irad/online-publications/BY93.pdf


   I meant I'd like to see them coded up.  Before unifying them.

   Barry