Re: [Users] highest output frequency for CarpetIOBasic?

-- Bernard Kelly -- CRESST Research Associate, NASA/GSFC Phone: +1 (301) 286-7243 E-Mail: bernard.j.kelly@nasa.gov Web: http://science.gsfc.nasa.gov/sed/index.cfm?fuseAction=people.jumpBio&iph... bookid=13052 --------------------------------------------------------------------------- -- On 12/1/11 11:31 AM, "Roland Haas" roland.haas@physics.gatech.edu wrote: >Hello Bernard, > >> Thanks, Roland. I'll have to check, but that sounds plausible: I >>sometimes >> am sloppy with my max_refinement_levels. >> >> Do you know why it uses "max_refinement_levels" instead of the actual >> instantaneous finest level? For simplicity, or consistency over time (in >> case a derefinement happens)? The effect is counter-intuitive to me. >It cannot use the current ("actual") largest refinement level in use >since you could decide to activate the dormant higher refinement level >later on in the run (eg. Christian does that for core collapse runs). At >the moment the new level becomes active the meaning of cctk_iteration >would change and all previous iteration numbers would have to be >multiplied by say two if you add one more level. >So yes, it is for consistency in case de- and refinement happens. It is >somewhat odd yes, that the iteration counter does not necessarily >increase by one from one step to the other (actually it does internally >to Carpet it is just that nothing is called on these levels [in >Evolve.cc] in particular you cannot have a global routine run more >frequent than the finest level). > >Yours, >Roland > >PS I forgot to CC the list. Do you mind if I forward both emails? >-- >My email is as private as my paper mail. I therefore support encrypting >and signing email messages. Get my PGP key from http://keys.gnupg.net. >