Trac July 2013

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[Einstein Toolkit] #1397: make attempt to change non-steerable parameters at recovery fatal error
by Einstein Toolkit 04 Jul '13

04 Jul '13

#1397: make attempt to change non-steerable parameters at recovery fatal error -------------------------+-------------------------------------------------- Reporter: rhaas | Owner: Type: enhancement | Status: new Priority: optional | Milestone: Component: Cactus | Version: development version Keywords: | -------------------------+-------------------------------------------------- currently Cactus ignores, almost silently (there is a L2 warning "Non- steerable parameter 'ADMBase::initial_lapse' is not set from the parameter file but recovered from the checkpoint file"), any attempt to steer non- steerable parameters during checkpoint recovery. I wonder if it would be better to abort or at least make this a Lev1 warning. The comments in cckt_Warnlevel.h say: {{{ #define CCTK_WARN_ABORT 0 /* abort the Cactus run */ #define CCTK_WARN_ALERT 1 /* the results of this run will be wrong, */ /* and this will surprise the user, */ /* but we can still continue the run */ #define CCTK_WARN_COMPLAIN 2 /* the user should know about this, */ /* but the problem is not terribly */ /* surprising */ #define CCTK_WARN_PICKY 3 /* this is for small problems that can */ /* probably be ignored, but that careful */ /* people may want to know about */ #define CCTK_WARN_DEBUG 4 /* these messages are probably useful */ /* only for debugging purposes */ }}} since having a parameter being ignored is indeed surprising for most users :-) . -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1397> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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Trac July 2013