Trac September 2012

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[Einstein Toolkit] #737: simfactory sync can lead to inconsistent builds
by Einstein Toolkit 11 Feb '13

11 Feb '13

#737: simfactory sync can lead to inconsistent builds ------------------------+--------------------------------------------------- Reporter: rhaas | Owner: eschnett Type: defect | Status: new Priority: major | Milestone: Component: SimFactory | Version: Keywords: | ------------------------+--------------------------------------------------- simfactory's sync command uses rsync with the --archive (-a) option. This option set the modification date of files on the target machine to that on the source machine. This can lead to inconsistent builds in the following situation: [1] local: edit source_file.c [2] local: simfactory sync [3] local: edit source_file.c [4] remote: simfactory build [5] local: simfactory sync [6] remote: simfactory build [6] will not rebuild source_file.o since [5] set the modification time to that of [3] which which is older than [4] hence make will not consider source_file.o to be out-of-date. A simple fix is to add --no-times to the rsync options. Unfortunately this disables rsync's file modification time optimization and requires it to compute checksums on all files which can be very slow on slow filesystems. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/737> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1070: EOS_Omni::poly_gamma_ini should default to poly_gamma
by Einstein Toolkit 08 Feb '13

08 Feb '13

#1070: EOS_Omni::poly_gamma_ini should default to poly_gamma -----------------------------------+---------------------------------------- Reporter: knarf | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: EinsteinToolkit thorn | Version: development version Keywords: | -----------------------------------+---------------------------------------- At the moment, EOS_Omni::poly_gamma and EOS_Omni::poly_gamma_ini are two parameters for the adiabatic exponent, one used only for initial data, the other for evolutions. Both default to 2.0. This means that if someone, unaware of poly_gamma_ini, changes only poly_gamma the result is usually catastrophic (wrong results or c2p failures). I myself didn't notice today and had to debug my way down to find my mistake. I propose to make the default of EOS_Omni::poly_gamma_ini to be whatever EOS_Omni::poly_gamma is. One way to achieve that would be to use some special value for EOS_Omni::poly_gamma_ini which would usually not being used to indicate that behavior and to make that default. However, this being an exponent, at least in theory, all real values are allowed. Another approach would be to introduce a new boolean parameter which would allow users to use an initial value for gamma which is different from the one of the initial data. This would be 'saver', but has the drawback of a new parameter. Nevertheless, I favor the second approach. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1070> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1099: CarpetLib::interpolate_from_buffer_zones should by default set to "no"
by Einstein Toolkit 08 Feb '13

08 Feb '13

#1099: CarpetLib::interpolate_from_buffer_zones should by default set to "no" --------------------+------------------------------------------------------- Reporter: knarf | Owner: eschnett Type: defect | Status: new Priority: major | Milestone: ET_2012_11 Component: Carpet | Version: development version Keywords: | --------------------+------------------------------------------------------- CarpetLib::interpolate_from_buffer_zones should by default set to "no" after it is properly tested and we should think about whether we have a good reason to not remove that paramter then again. Adding the release tag because we don't want to have a change like this affecting two releases. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1099> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1078: ignore non-evolved points in check_GRHydro_C2P_failed
by Einstein Toolkit 07 Feb '13

07 Feb '13

#1078: ignore non-evolved points in check_GRHydro_C2P_failed -----------------------------------+---------------------------------------- Reporter: rhaas | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: GRHydro | -----------------------------------+---------------------------------------- The attached patch interfaces GRHydro with Carpet/CarpetEvolutionMask to not abort a run if a con2prim failure happens at points that are not active in the sense that they should not be eg. visualized. CarpetEvolutionMask computes these points by taking the restricted region and modifying it to take buffer zones and ghost zones for prolongation into account. The proposed patch uses Cray pointers (see https://trac.einsteintoolkit.org/ticket/1065) since the Cactus flesh routine to CCTK_VarDataPtr (for Fortran) uses them as well. This requires extra switches for compilers to compile. For gcc the switch is "-fcray- pointer" for intel adding "-safe_cray_ptr" might help efficiency. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1078> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #940: McLachlan dissipation error
by Einstein Toolkit 06 Feb '13

06 Feb '13

#940: McLachlan dissipation error -----------------------------------+---------------------------------------- Reporter: eschnett | Owner: Type: defect | Status: new Priority: major | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: | -----------------------------------+---------------------------------------- A kind person tells me: I wanted to mention what appears to be a mistake in your dissipation calculation. If you refer to Kreiss-Oliger, or equivalently to Dissipation/src/apply_dissipation.F77, you find that there is a sign flip at certain orders. For example, 3rd order dissipation to be used with 2nd order differencing, and 7th order dissipation to be used with 6th order differencing, both need a negative coefficient. But you don't appear to have such a minus sign (unless I missed it), and your parameter epsdiss is constrained to be positive. It looks to me like PDdissipationNth needs to be multiplied by something like (-1)^(fdOrder/2). -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/940> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1105: TmunuBase::support_old_CalcTmunu_mechanism to "no" and remove after release
by Einstein Toolkit 17 Jan '13

17 Jan '13

#1105: TmunuBase::support_old_CalcTmunu_mechanism to "no" and remove after release -----------------------------------+---------------------------------------- Reporter: knarf | Owner: knarf Type: enhancement | Status: new Priority: minor | Milestone: ET_2012_11 Component: EinsteinToolkit thorn | Version: development version Keywords: | -----------------------------------+---------------------------------------- Change default of TmunuBase::support_old_CalcTmunu_mechanism to "no", mark it depreciated for the fall 2012 ET release and remove it after that. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1105> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #815: Outlfow thorn in incoming
by Einstein Toolkit 06 Jan '13

06 Jan '13

#815: Outlfow thorn in incoming -------------------------+-------------------------------------------------- Reporter: rhaas | Owner: Type: enhancement | Status: new Priority: optional | Milestone: Component: Other | Version: Keywords: | -------------------------+-------------------------------------------------- Hello all, as discussed in the last phone call, the GT Outflow thorn has been put into incoming (http://svn.einsteintoolkit.org/incoming/Outflow). From the docs: {{{ Outflow calculates the flow of rest mass density across a SphericalSurface, eg. and apparent horizon or a sphere at ``infinity''. }}} It has documentation, test-cases and publications using it (http://arxiv.org/abs/1201.4389). Ok to include in EinsteinAnalysis? -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/815> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1061: Certificate failure
by Einstein Toolkit 05 Jan '13

05 Jan '13

#1061: Certificate failure -----------------------------------+---------------------------------------- Reporter: eschnett | Owner: Type: defect | Status: new Priority: major | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: | -----------------------------------+---------------------------------------- I want to access the ET svn repositories via SourceTree, a nice GUI for managing repositories. This fails because: Error validating server certificate for 'https://svn.einsteintoolkit.org:443': - The certificate is not issued by a trusted authority. Use the fingerprint to validate the certificate manually! Certificate information: - Hostname: svn.einsteintoolkit.org - Valid: from Thu, 05 Jan 2012 22:31:55 GMT until Fri, 04 Jan 2013 22:31:55 GMT - Issuer: lsu, edu - Fingerprint: de:b0:88:20:f7:6f:73:df:ed:ad:c2:af:7e:b7:e1:45:13:82:8a:7d (R)eject, accept (t)emporarily or accept (p)ermanently? RA layer request failed: OPTIONS of 'https://svn.einsteintoolkit.org/manifest': Server certificate verification failed: issuer is not trusted (https://svn.einsteintoolkit.org) at /Applications/SourceTree.app/Contents/Resources/git_local/libexec/git-core /git-svn line 2327 Unfortunately, as this is a GUI, I cannot press the "R" key here. To simplify things for me, could you use a trusted certificate instead? -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1061> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1074: EinsteinExact code regeneration doesn't handle missing file doc/spacetimes.tex
by Einstein Toolkit 18 Dec '12

18 Dec '12

#1074: EinsteinExact code regeneration doesn't handle missing file doc/spacetimes.tex -----------------------------------+---------------------------------------- Reporter: eschnett | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: | -----------------------------------+---------------------------------------- While regenerating code for EinsteinExact, I received the error message {{{ DeleteFile::nffil: File not found during DeleteFile[../doc/spacetimes.tex]. }}} which aborted the code generation. This error is caused when this file is not present, and this file is then also not generated. DeleteFile should not report an error when the file is not present. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1074> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1003: Add optional support for CarpetEvolutionMask to GRHydro
by Einstein Toolkit 29 Nov '12

29 Nov '12

#1003: Add optional support for CarpetEvolutionMask to GRHydro -----------------------------------+---------------------------------------- Reporter: rhaas | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: GRHydro | -----------------------------------+---------------------------------------- the attached patch adds access to CarpetEvolutionMask's evolution mask to GRHydro. CarpetEvolutionMaks tracks which points on each level contribute to the final answer, roughly speaking anything that would show up in a call to the interpolators. The functional change to GRHydro is trivial (just a parameter, a GF access and a cycle in the routine that checks for C2P failures). However getting the equivalent of CCTK_VarDataPtr to work in Fortran turned out to be ugly. Better solutions are very welcome. Desired features are: * easy to use * not error prone * allows to run GRHydro without CarpetEvolutionMask (this means inheriting won't work) * low memory footprint -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1003> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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Trac September 2012