[petsc-users] minres and cholesky or icc preconditioner

Umut Tabak u.tabak at tudelft.nl
Sun Nov 14 11:29:16 CST 2010

On 11/14/2010 06:26 PM, Barry Smith wrote:
> On Nov 14, 2010, at 10:40 AM, Umut Tabak wrote:
>     It could be that. You can do ANOTHER ./configure --with-debugging=0 using a different PETSC_ARCH to build another set of libraries to compare with. It could also be that the time you are counting with PETSc includes the time to generate the matrix or compute other things as well.
>     Barry
I read the matrices in binary format, I guess this is a pretty small cost.

I will try to use the


option to build a faster version.

Thx for the cholesky overview.


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