[Carpet] Carpet scheduling question

[Thomas Radke]

Jonathan Thornburg wrote:
> Hi, Erik,
> 
> Suppose I write in a schedule.ccl
> 
>    schedule A in CCTK_POSTINITIAL
> 	{
> 	} "routine A"
>    schedule B in CCTK_POSTINITIAL after A
> 	{
> 	options: global
> 	} "routine B"
> 
> Consider a grid with 3 refinement levels and 1 component on each level.
> 
> Then (based on Thomas Radke's and my study of the Carpet source code and
> on your E-mail
>   http://lists.carpetcode.org/archives/developers/2006-May/001572.html
> ) I believe this results in an execution sequence of
>    call A in local mode on level 2, component 0
>    call B in global mode
>    call A in local mode on level 1, component 0
>    call A in local mode on level 0, component 0
> 
> My question is, is it possible to get an execution sequence of
>    call A in local mode on level 2, component 0
>    call A in local mode on level 1, component 0
>    call A in local mode on level 0, component 0
>    call B in global mode
> and if so, how?  Luca would like to do this for global reductions, and
> I think others would also be interested in this...

Here my guess for a correct answer: routine A needs to be scheduled in 
global-loop-local mode, routine B after A in global mode.

-- 
Cheers, Thomas.