On 14 May 2013, at 15:20, Frank Loeffler <[email protected]> wrote: > On Tue, May 14, 2013 at 08:35:23AM +0200, Ian Hinder wrote: >>> (line 1698 of >>> /work/00915/hinder/Cactus/AEI/arrangements/Carpet/CarpetInterp/src/interp.cc): >>> >>> -> Grid function "AHFINDERDIRECT::ahmask" has only 1 active time levels on >>> refinement level 1; this is not enough for time interpolation > >> Does anyone know why this happens > > Something tries to interpolate the mask. Evolution shouldn't do that, > the mask is supposed to be written each (sub-)timestep AFAIR. Now, there > are other possibilities, as you mentioned below... > >> and if there is a workaround I can use to get the run going again? > > The questions is what makes Carpet interpolate, and avoid that. > >> I have ADMBase::metric_timelevels set to the default, which is 1. >> Should it be 3? > > It should work with 1. > >> How about changing the frequency of AHFinderDirect output to match >> the coarsest timelevel? > > I suspect that this is the cause of your problem: you output in between > evolution times of the coarsest level, making Carpet interpolate the > mask. You could (only for the mask probably), output only at full > coarse level steps, if don't need it more often. You could also try > (although here I am less sure that this will prevent interpolation) to > restrict the output of the mask to some of the finer levels only, at > full time steps of these.
I'm not interested in the mask, and I don't output it. Would something still be trying to interpolate this mask? -- Ian Hinder http://numrel.aei.mpg.de/people/hinder
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