[petsc-users] Tuning the parallel performance of a 3D FEM CFD code

[Henning Sauerland]

Thanks for the clarification. I mixed it up.


On 20.05.2011, at 16:06, Barry Smith wrote:

> 
>  Be sure you are using the same definition of interlaced as we are. Generally when interlacing inodes will exist, when not interlacing they will not exist. From you print outs you have the opposite effect which is unlikely.
> 
>  Say we have a PDE with three components at each grid point,   u, v, and p. Then interlaced is storing the values   [u0 v0 p0 u1 v1 p1 ....] noninterlaced is storing it [u0 u1 ...   v0 v1 .... p0 p1 ....]