Trac August 2012

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206 discussions

[Einstein Toolkit] #896: Create testsuites for GRMHD sector of GRHydro
by Einstein Toolkit 24 Nov '13

24 Nov '13

#896: Create testsuites for GRMHD sector of GRHydro ---------------------------------------+------------------------------------ Reporter: bmundim | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: GRHydro, GRMHD, testsuite | ---------------------------------------+------------------------------------ Create testsuites for GRMHD sector of GRHydro even though it's currently in rapid and constant development. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/896> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #392: Strange message "already on master"
by Einstein Toolkit 07 Nov '13

07 Nov '13

#392: Strange message "already on master" ---------------------------+------------------------------------------------ Reporter: eschnett | Owner: eric9 Type: defect | Status: new Priority: minor | Milestone: Component: GetComponents | Version: Keywords: | ---------------------------+------------------------------------------------ GetComponents outputs "already on master" for every git repository. This message should not appear. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/392> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1009: MPI is not automatically detected on Mac OS
by Einstein Toolkit 05 Nov '13

05 Nov '13

#1009: MPI is not automatically detected on Mac OS -----------------------------------+---------------------------------------- Reporter: hinder | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: | -----------------------------------+---------------------------------------- There is logic in ExternalLibraries/MPI/configure.sh to automatically detect the location of MPI. This code looks for $X/lib/libmpi.a and $X/include/mpi.h for various values of X. This is not a robust way to locate MPI because libmpi.a is not the correct filename on Mac OS. We could make a special case for Mac OS and use ".dylib" instead of ".a", or we could remove the library file from the test, and rely on the header file alone. I prefer the latter. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1009> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #626: Recovery fails in AHFinderDirect RecoverML with out-of-bounds assertion in CarpetLib
by Einstein Toolkit 28 Oct '13

28 Oct '13

#626: Recovery fails in AHFinderDirect RecoverML with out-of-bounds assertion in CarpetLib --------------------+------------------------------------------------------- Reporter: rhaas | Owner: eschnett Type: defect | Status: new Priority: major | Milestone: ET_2011_10 Component: Carpet | Version: Keywords: | --------------------+------------------------------------------------------- when trying to recover in AHFinderDirect's RecoverML test (parfiles attached) I get: {{{ cactus_et: /home/rhaas/ET_2011_10/arrangements/Carpet/CarpetLib/src/th.hh:79: double th::get_time(int, int, int) const: Assertion `tl>=0 and tl<timelevels' failed. }}} After some debuggin I traced this down to the metric which in CarpetIOHDF5/src/Input.cc:762 is reported (by gf->timelevels (ml, rl)) to have three timelevels. However the timelevels member of gf->t (a th) gives the number of timelevels as two {{{ gf->t.timelevels $28 = 2 }}} Since timelevels is new in Carpet/Hg my suspicion would be that it is not properly updated when gf->set_timelevels is called (the comments in th.hh seem to indicated that it is assumed to be const which seems odd given that ggf::set_timelevels exists). I don't understand enough of Carpet to fix or further debug this. Marking its as major and release relevant in case it is actually a Carpet bug. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/626> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1066: Implement IMEX integrators in MoL
by Einstein Toolkit 25 Oct '13

25 Oct '13

#1066: Implement IMEX integrators in MoL -----------------------------------+---------------------------------------- Reporter: eschnett | Owner: Type: enhancement | Status: new Priority: major | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: | -----------------------------------+---------------------------------------- Dana Alic contributed an implementation of IMEX integrators for MoL. I attach the implementation as a patch (based on r133 of MoL). The implementation is well tested. The patch does not apply cleanly, and seems to make some modifications to the schedule etc. as well that have since been superseded by other changes to MoL. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1066> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #652: CACTUS_CONFIGS_DIR should be documented
by Einstein Toolkit 23 Oct '13

23 Oct '13

#652: CACTUS_CONFIGS_DIR should be documented -------------------------+-------------------------------------------------- Reporter: knarf | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: Cactus | Version: Keywords: | -------------------------+-------------------------------------------------- At the moment CACTUS_CONFIGS_DIR is only mentioned in doc/FAQ. It should be documented in the regular documentation as well. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/652> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #963: Improve McLachlan accuracy
by Einstein Toolkit 15 Oct '13

15 Oct '13

#963: Improve McLachlan accuracy -----------------------------------+---------------------------------------- Reporter: eschnett | Owner: Type: enhancement | Status: new Priority: major | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: | -----------------------------------+---------------------------------------- James van Meter provided me with an optimised version of McLachlan. He states: 1. You are not taking full advantage of the chi=exp(-2phi) variable. There are several terms you divide by chi or chi^2 in expressions with overall factors exp(-4phi). I rewrote the BSSN equations to make these cancellations before coding. So where you have an expression of the form chi^2(A+B/chi^2), I have chi^2A+B. This gives a slight but noticeable advantage in both accuracy and performance. 2. I added Hamiltonian-constraint-damping terms due to Duez et al. These terms don't seem to be well-known but they are effective. 3. I added a Gamma-constraint-damping term due to Yo et al. 4. I enforce det(g)=1. I have not tested this new version yet, but James suggests to include it into the Einstein Toolkit. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/963> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #605: Simfactory does not find the right 'path' for symlinked cactus directories
by Einstein Toolkit 13 Aug '13

13 Aug '13

#605: Simfactory does not find the right 'path' for symlinked cactus directories ------------------------+--------------------------------------------------- Reporter: knarf | Owner: eschnett Type: defect | Status: new Priority: minor | Milestone: ET_2011_10 Component: SimFactory | Version: development version Keywords: | ------------------------+--------------------------------------------------- Simfactory currently does not detect the 'right' path to a Cactus sourcetree if this is from within a symlink, e.g. Cactus -> /mnt/data/Cactus. This is because while `pwd` returns '/home/user/Cactus', simfactory uses a wrapper to the C-library getcwd(), which dereferences symlinks. Simfactory then gets '/mnt/data/Cactus' and tries to use this path on remote machines when syncing - which of course does not work. The attached patch fixes this by using os.environ.get("PWD") and, if this is not defined, using os.getcwd() as workaround. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/605> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #117: Error while building multiple configurations
by Einstein Toolkit 12 Aug '13

12 Aug '13

#117: Error while building multiple configurations ------------------------+--------------------------------------------------- Reporter: eschnett | Owner: mthomas Type: defect | Status: new Priority: major | Milestone: Component: SimFactory | Version: Keywords: | ------------------------+--------------------------------------------------- I wanted to build multiple configurations at once with the command ./simfactory/sim build sim-debug sim sim-debug is a debug configuration, sim is optimised. SimFactory built sim-debug, then aborted with the error: optionlist is: /Users/eschnett/EinsteinToolkit-hg/configs/sim/OptionList Error: pattern '^\s*DEBUG\s*=.*$' exists already It assumes that SimFactory doesn't properly distinguish between the different build options of the different configurations. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/117> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #874: Reduce warnings during an ET build
by Einstein Toolkit 12 Aug '13

12 Aug '13

#874: Reduce warnings during an ET build --------------------+------------------------------------------------------- Reporter: hinder | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: Other | Version: Keywords: | --------------------+------------------------------------------------------- A new user of the ET might be disconcerted to see warnings during compilation such as: {{{ /home/ianhin/Cactus/EinsteinToolkit/arrangements/Carpet/CarpetLib/src/bboxset.hh(206): warning #1224: #warning directive: "TODO: this is incorrect" #warning "TODO: this is incorrect" ^ }}} I propose that such directives are replaced with a comment and a link to a TRAC ticket concerning the problem. Further, we should aim to eliminate as many warnings as possible from the build, similarly to avoid eroding confidence. Warnings can also make it hard to find the real error messages, when a build fails with errors. Other warnings I see are similar to: {{{ In file included from /home/ianhin/Cactus/GBSC12/arrangements/CactusUtils/Formaline/src/thornlist.cc:13: /home/ianhin/Cactus/GBSC12/configs/bbh/bindings/include/thornlist.h:61: warning: deprecated conversion from string constant to ‘char*’ }}} {{{ /home/ianhin/Cactus/GBSC12/arrangements/EinsteinInitialData/TwoPunctures/src/Newton.c: In function ‘TestRelax’: /home/ianhin/Cactus/GBSC12/arrangements/EinsteinInitialData/TwoPunctures/src/Newton.c:287: warning: passing argument 6 of ‘resid’ from incompatible pointer type /home/ianhin/Cactus/GBSC12/arrangements/EinsteinInitialData/TwoPunctures/src/Newton.c:75: note: expected ‘const int * const restrict* const restrict’ but argument is of type ‘int **’ }}} {{{ /home/ianhin/Cactus/GBSC12/configs/bbh/bindings/Variables/ADMBase.c: In function ‘CCTKi_BindingsFortranWrapperADMBase’: /home/ianhin/Cactus/GBSC12/configs/bbh/bindings/Variables/ADMBase.c:34: warning: passing argument 22 of ‘function’ from incompatible pointer type /home/ianhin/Cactus/GBSC12/configs/bbh/bindings/Variables/ADMBase.c:34: note: expected ‘const struct cGH * const*’ but argument is of type ‘struct cGH **’ }}} This last warning appears very many times during a build (though I believe it may be triggered only by GCC and not by the Intel compiler). {{{ /home/ianhin/Cactus/GBSC12/src/main/Parameters.c: In function ‘ParameterSetBoolean’: /home/ianhin/Cactus/GBSC12/src/main/Parameters.c:2394: warning: passing argument 4 of ‘Util_ExpressionEvaluate’ discards qualifiers from pointer target type /home/ianhin/Cactus/GBSC12/src/include/util_Expression.h:38: note: expected ‘void *’ but argument is of type ‘const int *’ }}} There are probably more as well. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/874> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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Trac August 2012