Trac May 2011

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[Einstein Toolkit] #66: IOHDF5::out3D_ghosts and friends doesn't work and corrupts 2D data slices
by Einstein Toolkit 20 Dec '11

20 Dec '11

#66: IOHDF5::out3D_ghosts and friends doesn't work and corrupts 2D data slices ----------------------------------+----------------------------------------- Reporter: bcmsma@… | Owner: eschnett Type: defect | Status: new Priority: minor | Milestone: Component: Carpet | Version: Keywords: | ----------------------------------+----------------------------------------- While the assigned values for the parameters IOASCII::output_symmetry_points = "no" IOASCII::out3D_ghosts = "no" IOASCII::out3D_outer_ghosts = "no" work as intended when CarpetIOASCII is active, it doesn't work for CarpetIOHDF5: IOHDF5::out3D_ghosts = "no" IOHDF5::out3D_outer_ghosts = "no" IOHDF5::output_symmetry_points = "no" It doesn't do anything to the 3D data but it corrupts the 2D data slices while chopping out those regions. It would be nice to have them working for IOHDF5 method, specially when visualising Pi symmetric data. Note also that this report is for git version of Carpet. These parameters seem to become deprecated for the hg version. Does anyone use them regularly? Any substitute in mind? -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/66> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #223: Make declaration of CCTK_ARGUMENTS safer
by Einstein Toolkit 01 Dec '11

01 Dec '11

#223: Make declaration of CCTK_ARGUMENTS safer -------------------------+-------------------------------------------------- Reporter: eschnett | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: Cactus | Version: Keywords: | -------------------------+-------------------------------------------------- I suggest to change the declaration of CCTK_ARGUMENTS in C from cGH * cctkGH to cGH const * CCTK_RESTRICT const cctkGH which should lead to safer code and may even enable some optimisations. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/223> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #425: Case sensitivity GSL_DIR=BUILD
by Einstein Toolkit 24 Nov '11

24 Nov '11

#425: Case sensitivity GSL_DIR=BUILD ----------------------------------------+----------------------------------- Reporter: reisswig@… | Type: enhancement Status: new | Priority: minor Milestone: | Component: Cactus Version: | Keywords: GSL_DIR BUILD ----------------------------------------+----------------------------------- The thorn GSL would not compile if "GSL_DIR=build" in the option list. In order to work, it requires "GSL_DIR=BUILD", i.e. it is really case sensitive although I think, this is not required and should be case insensitive. Possibly, HDF5_DIR=build may also not work for the same reason (have not checked; should be checked as well). -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/425> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #234: Carpet mailing list is not functioning
by Einstein Toolkit 21 Nov '11

21 Nov '11

#234: Carpet mailing list is not functioning --------------------+------------------------------------------------------- Reporter: hinder | Owner: eschnett Type: defect | Status: new Priority: major | Milestone: Component: Carpet | Version: Keywords: | --------------------+------------------------------------------------------- The Carpet mailing list has been unavailable since 22-Mar-2010. This list provides a forum for discussion of Carpet features and issues, and would be the first port-of-call for new users. As such I think it would be good to resurrect the mailing list. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/234> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #145: EOS_Omni requires HDF5 library. What about if it only uses HDF5 instead?
by Einstein Toolkit 13 Nov '11

13 Nov '11

#145: EOS_Omni requires HDF5 library. What about if it only uses HDF5 instead? ---------------------------+------------------------------------------------ Reporter: bmundim | Owner: Type: enhancement | Status: new Priority: major | Milestone: Component: Other | Version: Keywords: EOS_Omni HDF5 | ---------------------------+------------------------------------------------ At the moment EOS_Omni requires the HDF5 library to read the nuclear EOS values from a table. Since not all distros have fortran support for the HDF5 library as a default, I propose to change this requirement and provide a fall back in case this support is not present. Perhaps not using the nuclear EOS, or reading from an ASCII file instead. This could be just a temporary solution until the HDF5 library build script becomes more robust. Opinions? Thanks, Bruno. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/145> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #365: ADMBase: evolving with evolution_method="static" does not apply boundary conditions
by Einstein Toolkit 10 Nov '11

10 Nov '11

#365: ADMBase: evolving with evolution_method="static" does not apply boundary conditions ----------------------+----------------------------------------------------- Reporter: eschnett | Owner: Type: defect | Status: new Priority: major | Milestone: Component: Cactus | Version: Keywords: | ----------------------+----------------------------------------------------- When one uses the evolution method ADMBASE::evolution_method = "static" (which is very tempting e.g. for Cowling), then no boundary conditions are applied. This means that the ADMBase variables remain unset on the boundaries after regridding, leading to all sorts of (rather unexpected) problems. The easy solution is to use thorn Exact instead, which applies an exact solution at each time step, including on the boundary. I suggest to remove the ADMBase functionality to provide a "static" evolution method, since this evolution method does not know which boundary condition to apply, and hence is bound to fail in non-trivial situations. Alternatively, ADMBase needs to synchronise in postregrid (and probably a few other bins as well). ADMBase should then also offer to apply an outer boundary condition, in this case probably a Minkowski Dirichlet boundary condition or a von Neumann condition. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/365> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #410: CarpetIOHDF5 may segfault when one_file_per_group is selected
by Einstein Toolkit 09 Nov '11

09 Nov '11

#410: CarpetIOHDF5 may segfault when one_file_per_group is selected --------------------------------+------------------------------------------- Reporter: bmundim | Owner: eschnett Type: defect | Status: new Priority: major | Milestone: Component: Carpet | Version: Keywords: Carpet git version | --------------------------------+------------------------------------------- I was facing one of those cryptic MPI error messages on Ranger, where your job quits without any useful error message. It turns out that this parameter file had CarpetIOHDF5::one_file_per_group = "yes" CarpetIOHDF5::out2D_vars = " ADMBase::gxx" and CarpetIOHDF5 would try to loop over the group variables when just one of them was selected. As a result it has accessed memory address that it was not supposed to, consequently killing the job. I have attached the stack back trace. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/410> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #431: Update some external libraries
by Einstein Toolkit 09 Nov '11

09 Nov '11

#431: Update some external libraries -----------------------------------+---------------------------------------- Reporter: eschnett | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: | -----------------------------------+---------------------------------------- Several external libraries have new versions available: LAPACK PETSc curl git These are only minor updates. I suggest to apply them. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/431> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #136: Don't rebuild external libraries so often
by Einstein Toolkit 08 Nov '11

08 Nov '11

#136: Don't rebuild external libraries so often -------------------------+-------------------------------------------------- Reporter: eschnett | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: Cactus | Version: Keywords: | -------------------------+-------------------------------------------------- One way to keep the external libraries that have been built would be the following. Create a dummy configuration "ext" where all external libraries are built. When another configuration is built, it should be easy to specify to look there for the external libraries, or maybe this should even be the default. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/136> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #222: Dubious code in Hydro_InitExcision.c
by Einstein Toolkit 08 Nov '11

08 Nov '11

#222: Dubious code in Hydro_InitExcision.c ----------------------+----------------------------------------------------- Reporter: eschnett | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: Cactus | Version: Keywords: | ----------------------+----------------------------------------------------- Hydro_InitExcision.c contains the following code: if ( (hydro_initexcision_coordinate_length <= 0.0) && ( ( x_frac > 0.5 - hydro_initexcision_fraction) && ( x_frac < 0.5 + hydro_initexcision_fraction) && ( y_frac > 0.5 - hydro_initexcision_fraction) && ( y_frac < 0.5 + hydro_initexcision_fraction) && ( z_frac > 0.5 - hydro_initexcision_fraction) && ( z_frac < 0.5 + hydro_initexcision_fraction) ) || ( (hydro_initexcision_coordinate_length > 0.0) && ( fabs(x[point]-hydro_initexcision_position_x) <= hydro_initexcision_coordinate_length*0.5) && ( fabs(y[point]-hydro_initexcision_position_y) <= hydro_initexcision_coordinate_length*0.5) && ( fabs(z[point]-hydro_initexcision_position_z) <= hydro_initexcision_coordinate_length*0.5) ) ) This code has an "and" (&&) and an "or" (||) operation at top level. Is this intended? The code would be clearer with an additional set of parenthesis, or by introducing a suitable set of temporaries for sub- expressions. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/222> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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Trac May 2011