Trac January 2013

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158 discussions

[Einstein Toolkit] #1044: Gnuplot Cactus visualisation page has multiple issues
by Einstein Toolkit 06 Jul '13

06 Jul '13

#1044: Gnuplot Cactus visualisation page has multiple issues ----------------------------+----------------------------------------------- Reporter: hinder | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: Cactus website | Version: Keywords: | ----------------------------+----------------------------------------------- The page http://cactuscode.org/documentation/visualization/gnuPlot/ has the following problems: * The instructions for viewing multi-iteration 1D data from the IOASCII thorn do not work. Since the iterations are separated by only a single blank line, you cannot use the "index" option in the Gnuplot "plot" command as the instructions tell you to do. I suspect that either the output format or Gnuplot itself has changed since the instructions were written. Erik suggests using some form of "every" to visualise this data in Gnuplot. * This page renders poorly in both Safari (webkit) and Firefox (gecko). The light blue boxes containing text to be typed have a strange artefact on the left side, and the initial paragraph is wrapped poorly. * All of the links in the table of contents are broken. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1044> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #478: add Cactus to tis.xsede.org
by Einstein Toolkit 06 Jul '13

06 Jul '13

#478: add Cactus to tis.xsede.org --------------------+------------------------------------------------------- Reporter: knarf | Owner: Type: task | Status: new Priority: minor | Milestone: Component: Cactus | Version: Keywords: | --------------------+------------------------------------------------------- -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/478> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #450: Output elapsed times for test cases
by Einstein Toolkit 06 Jul '13

06 Jul '13

#450: Output elapsed times for test cases -------------------------+-------------------------------------------------- Reporter: eschnett | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: Cactus | Version: Keywords: | -------------------------+-------------------------------------------------- To ensure that Cactus test cases don't run for too long, and to identify those that do, we should output the run time for all test cases together with their results. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/450> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #229: Using a nonexistent header file should lead to an error message
by Einstein Toolkit 06 Jul '13

06 Jul '13

#229: Using a nonexistent header file should lead to an error message --------------------+------------------------------------------------------- Reporter: hinder | Owner: Type: defect | Status: new Priority: major | Milestone: Component: Cactus | Version: Keywords: | --------------------+------------------------------------------------------- If I have the following in my interface.ccl, USES INCLUDE: vectors.h but no thorn in my thornlist provides this header file, there is no error at compile time. Further, if I #include this file in my source file, an empty file is included, which means that again I don't get an error. The first indication that something is wrong is that the contents of the header file are not available, which makes debugging the problem with the thornlist very confusing. I propose that the CST should emit a fatal error if one of the thorns tries to use a header file which does not exist. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/229> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1238: implement buffer mask in CarpetEvolutionMask
by Einstein Toolkit 29 Jun '13

29 Jun '13

#1238: implement buffer mask in CarpetEvolutionMask ---------------------------------+------------------------------------------ Reporter: rhaas | Owner: eschnett Type: enhancement | Status: new Priority: minor | Milestone: Component: Carpet | Version: Keywords: CarpetEvolutionMask | ---------------------------------+------------------------------------------ the attached patch implements a new integer valued grid function carpetevolutionmask::buffer_mask which is set to 1 in buffer regions and 0 otherwise. It provides a testcase. Eventually I would like to add other values such that the number correlates with the last MoL step for which this point needs to be valid before MoL_CalcRHS but for which one cannot compute a RHS in MoL_CalcRHS. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1238> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1222: Reduction weight for periodic domains.
by Einstein Toolkit 24 Jun '13

24 Jun '13

#1222: Reduction weight for periodic domains. ------------------------+--------------------------------------------------- Reporter: bentivegna | Owner: eschnett Type: defect | Status: new Priority: minor | Milestone: Component: Carpet | Version: development version Keywords: | ------------------------+--------------------------------------------------- The reduction weight of the internal points neighboring the outer boundaries is currently set in a "trapezoidal-rule" manner (1/2 on the box faces, 1/4 on the edges, 1/8 on the vertices, in 3D), regardless of the nature of the boundaries. In the case of periodic boundaries with a Coordbase::boundary_shiftout_* parameter of zero, this leads to the assignment of a non-zero weight to some of the boundary points. This only yields the correct result if boundary conditions have been applied, which sometimes isn't possible/necessary. The attached patch introduces some logic in CarpetReduce to take care of this case. This may not be the best way to attack the problem though. One could tackle the way weight is assigned to zero-shiftout boundaries. Perhaps this issue is related to #1221. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1222> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1236: ReflectionSYmmetry does not handle vector groups of vectors correctly
by Einstein Toolkit 14 Jun '13

14 Jun '13

#1236: ReflectionSYmmetry does not handle vector groups of vectors correctly -----------------------------------------------------------------------+---- Reporter: rhaas | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: Cactus | Version: Keywords: RelfectionSymmetry RotatingSymmetry180 RotatingSymmetry90 | -----------------------------------------------------------------------+---- Currently we use two different way to define vectors in Cactus: {{{ CCTK_REAL vel[3] "some vector variable" }}} and {{{ CCTK_REAL vel { velx, vely, velz } "some other vector variable" }}} both of which work with ReflectionSymmetry since it only looks at the ordering of variables in a group (ie does vi=CCTK_FirstVarInGroup() then assumes vi is the x component vi+1 the y component and vi+2 the z component). For a group of related vectors we'd like to use {{{ CCTK_REAL nvel[42] { velx, vely, velz } "bunch of vector" }}} which almost works in the indeed CCTK_VarIndex("velx[0]") + 1 == CCTK_VarIndex("vely[0]"). Unfortunately the symmetry thorns assume that vector groups contain precisely three members. A simple fix seems to instead assert() that the number of members is divisible by 3 and then loop over them in chunks of three. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1236> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #905: NaNs in ADMBase::gxx using Development Version of ET
by Einstein Toolkit 06 Jun '13

06 Jun '13

#905: NaNs in ADMBase::gxx using Development Version of ET ---------------------------------+------------------------------------------ Reporter: yosef@… | Type: defect Status: new | Priority: major Milestone: | Component: Other Version: | Keywords: ---------------------------------+------------------------------------------ While testing the CCE in the ET, I stumbled across an issue interpolating the admbase::metric at CCTK_POSTSTEP in GLOBAL mode at particular spatial points. The "bug" (or parfile/scheduling error) seems to be sensitive to the exact grid setup. Basically, when I use the qc0-mclachlan-CCE_Cauchy.par parfile, I get nans for gxx. I made a small test thorn that only interpolates gxx at a particular point. Nans show up at iteration 1. attached is the parfile I used and the test thorn. Here is the output from the above test thorn: gxx(3.966899,0.000000,-17.630662) = 1.1160523626974641 at iter 0 on proc 1 gxx(3.966899,0.000000,-17.630662) = 1.1160523626974641 at iter 0 on proc 0 gxx(3.966899,0.000000,-17.630662) = -nan at iter 8 on proc 1 gxx(3.966899,0.000000,-17.630662) = -nan at iter 8 on proc 0 gxx(3.966899,0.000000,-17.630662) = -nan at iter 16 on proc 1 gxx(3.966899,0.000000,-17.630662) = -nan at iter 16 on proc 0 etc.... -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/905> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #705: Activation Order in Parameter Files
by Einstein Toolkit 24 May '13

24 May '13

#705: Activation Order in Parameter Files -------------------------+-------------------------------------------------- Reporter: sbrandt | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Cactus_4.1.0 Component: Cactus | Version: Keywords: | -------------------------+-------------------------------------------------- At the moment the ActiveThorns list is sensitive to the order in which thorns are activated if the ActiveThorns parameter is updated multiple times. However, it is not sensitive to the order in which thorns are activated if all thorns are specified in a single line. This inconsistency should be removed, and the order should not matter in either case. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/705> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #526: Reorder ticket states
by Einstein Toolkit 23 May '13

23 May '13

#526: Reorder ticket states ----------------------------------+----------------------------------------- Reporter: eschnett | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: EinsteinToolkit trac | Version: Keywords: | ----------------------------------+----------------------------------------- The order in which the ticket states is displayed (in the form where one modifies the ticket state) should be the natural order in which a ticket progresses. The current order is somewhat random. I suggest this order: new confirmed accept reassign review resolve -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/526> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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Trac January 2013