Trac February 2014

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[Einstein Toolkit] #960: Dissipation thorn schedules LOCAL routines after GLOBAL ones
by Einstein Toolkit 27 May '16

27 May '16

#960: Dissipation thorn schedules LOCAL routines after GLOBAL ones ----------------------------------------------+----------------------------- Reporter: rhaas | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: Dissipation and SphericalSurface | ----------------------------------------------+----------------------------- Dissipation currently contains a schedule item {{{ SCHEDULE setup_epsdis AT cctk_poststep after SphericalSurface_HasBeenSet { LANG: C SYNC: epsdisA_group } "Setup spatially varying dissipation" }}} However SphericalSurface_HasBeenSet is AFTER SphericalSurface_Set which is a GLOBAL routine. Since GLOBAL routines run last in POSTSTEP (which is in EVOL) the AFTER modifier is ignored for all but the last (finest) refinement level. This can lead to the wrong surface shape to be used by the local routines. It might actually make sense to teach the flesh about GLOBAL/LOCAL etc and refuse AFTER/BEFORE statements that span different modes. This of course depends on how much work this is and if we expect the dependency and task based scheduler to be finished soon and if there are legitimate uses for AFTER/BEFORE to span modes. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/960> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #912: Use CACTUS_CONFIGS_DIR in Formaline
by Einstein Toolkit 23 May '16

23 May '16

#912: Use CACTUS_CONFIGS_DIR in Formaline -----------------------------------+---------------------------------------- Reporter: eschnett | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: | -----------------------------------+---------------------------------------- Formaline assumes that configurations are stored in a "configs" subdirectory of $CCTK_HOME. Use $CACTUS_CONFIGS_DIR instead. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/912> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #584: Use of uninitialized value in concatenation
by Einstein Toolkit 07 May '16

07 May '16

#584: Use of uninitialized value in concatenation ------------------------+--------------------------------------------------- Reporter: hinder | Owner: eschnett Type: defect | Status: new Priority: major | Milestone: Component: SimFactory | Version: Keywords: | ------------------------+--------------------------------------------------- After failing to check out a thornlist (the current einsteintoolkit.th) the automated build and test system re-runs GetComponents with --update. On 27-Sep-2011, this gave the error: {{{ Use of uninitialized value in concatenation (.) or string at ./GetComponents line 2514. }}} This line seems to be {{{ $url = "(".$component{"URL"}.")|(".$component{"AUTH_URL"}.")"; }}} Is the problem that SimFactory doesn't have an AUTH_URL? I'm attaching the log of the testsuite script. I don't know if the error is serious or not, since the checkout has already failed. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/584> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #702: Tests should use IO::out_fileinfo = "none"
by Einstein Toolkit 18 Apr '16

18 Apr '16

#702: Tests should use IO::out_fileinfo = "none" -------------------------+-------------------------------------------------- Reporter: hinder | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: Other | Version: Keywords: | -------------------------+-------------------------------------------------- The Cactus User Guide (http://einsteintoolkit.org/documentation/UsersGuide/UsersGuidech9.html#x13-…) recommends that test output files should always be the same, and hence use IO::out_fileinfo = "none". I would like to implement this for the tests in the ET, as it makes comparing test output using standard (non-Cactus testsuite mechanism) diff tools possible. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/702> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1419: Cactus should produce no errors in Valgrind
by Einstein Toolkit 12 Nov '15

12 Nov '15

#1419: Cactus should produce no errors in Valgrind -------------------------+-------------------------------------------------- Reporter: sbrandt | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Cactus_4.3.0 Component: Cactus | Version: development version Keywords: | -------------------------+-------------------------------------------------- Valgrind is a useful tool for identifying a large number of coding problems. Currently, running Cactus under valgrind produces a large number of spurious errors due to the implementation of the string library. Attempts to use the valgrind suppression mechanism to eliminate them have proven difficult. However, these errors all go away if we simply replace all calls to strdup() with calls to util_Strdup(), a function which is already part of Cactus. Making this replacement shouldn't have any negative impacts, and it would make valgrind more usable. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1419> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #706: External Library Support
by Einstein Toolkit 12 Nov '15

12 Nov '15

#706: External Library Support -------------------------+-------------------------------------------------- Reporter: sbrandt | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Cactus_4.1.0 Component: Cactus | Version: Keywords: | -------------------------+-------------------------------------------------- We should remove support for all external library support that's wired into the flesh (except maybe MPI) in favor of the newer more generic mechanism. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/706> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #641: Parameter files and thornlists could be tested as part of the release process
by Einstein Toolkit 11 Nov '15

11 Nov '15

#641: Parameter files and thornlists could be tested as part of the release process -------------------------+-------------------------------------------------- Reporter: hinder | Owner: Type: enhancement | Status: new Priority: minor | Milestone: ET_2012_05 Component: Other | Version: Keywords: | -------------------------+-------------------------------------------------- There are a number of parameter files and thornlists included as examples with thorns in the ET, and in Cactus. Would it be feasible to have these tested as part of the release process? For example, they should run without crashing or missing thorns, should not trigger NaNs etc, and we should minimise any warnings that are emitted. It would be nice to automate this, though it probably requires a cluster, so would be distinct from the usual test suite procedure, due to requiring more memory than tests. Something to think about for the next release. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/641> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #697: Repository and thorn names cannot be different
by Einstein Toolkit 10 Nov '15

10 Nov '15

#697: Repository and thorn names cannot be different ---------------------------+------------------------------------------------ Reporter: eschnett | Owner: eric9 Type: defect | Status: new Priority: critical | Milestone: Component: GetComponents | Version: Keywords: | ---------------------------+------------------------------------------------ I am accessing some thorns stored in git repositories at bitbucket.org, which insists that all repository names are all lower case. I don't know how to specify this in GetComponents. When I say !TARGET = $ARR !TYPE = git !URL = git@bitbucket.org:user/thorn.git !AUTH_URL = git@bitbucket.org:user/thorn.git !CHECKOUT = Arrangement/Thorn then GetComponents does not create a symbolic link from Thorn to ../../repos/thorn, but to ../../repos/thorn/Arrangement/Thorn instead. How do I avoid this? -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/697> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #241: Thorns should be able to specify implementation versions, and other thorns should be able to depend on those
by Einstein Toolkit 26 Oct '15

26 Oct '15

#241: Thorns should be able to specify implementation versions, and other thorns should be able to depend on those -------------------------+-------------------------------------------------- Reporter: knarf | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: Cactus | Version: Keywords: | -------------------------+-------------------------------------------------- Cactus thorns implement 'implementations', and other thorns can then depend on particular implementations being present. However, quite often those are updated, and incompatibilities occur. Usually this is resolved by the developer in both thorns - the implementing and the using thorn. However, a user might just update one of them, and Cactus would not catch this error. Thus, I suggest to think about, and implement how to: - specify implementation versions e.g. IMPLEMENTS: Cactus (4.0) The version string within () would have be sorted in an intelligent way to allow comparisons [1]. - specify dependencies on particular versions of other implementations In particular I suggest the following dependencies: depends, and conflicts, both with comparisons < <= == >= > != e.g. DEPENDS: Cactus (>= 4.0) DEPENDS: BadImplementation (!=3.14) <-- this introduces a dependency CONFLICTS: BadImplementation (==3.14) <-- this doesn't introduce a depencency [1] First the initial part of each string consisting entirely of non-digit characters is determined. These two parts (one of which may be empty) are compared lexically. If a difference is found it is returned. The lexical comparison is a comparison of ASCII values modified so that all the letters sort earlier than all the non-letters. Then the initial part of the remainder of each string which consists entirely of digit characters is determined. The numerical values of these two parts are compared, and any difference found is returned as the result of the comparison. For these purposes an empty string (which can only occur at the end of one or both version strings being compared) counts as zero. These two steps (comparing and removing initial non-digit strings and initial digit strings) are repeated until a difference is found or both strings are exhausted. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/241> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1033: support a combined "map" file in CarpetIOHDF5
by Einstein Toolkit 07 Oct '15

07 Oct '15

#1033: support a combined "map" file in CarpetIOHDF5 --------------------------+------------------------------------------------- Reporter: rhaas | Owner: eschnett Type: enhancement | Status: new Priority: minor | Milestone: Component: Carpet | Version: Keywords: CarpetIOHDF5 | --------------------------+------------------------------------------------- recovering on different number of processes than was used to write a checkpoint is painfully slow. Part of the reason seems to be that each process essentially has to read all files to find out where each piece of data it requires is located. The attached patch (not to be included in the main code due to bad file formats and coding) enables CarpetIOHDF5 to read all the information stored in the union of index files to from a single file. This means (together with the other patches proposed today) that CarpetIOHDF5 only ever opens those HDF5 files that are required to restore the simulation on a given process. It significantly (factor > 4 where I don't quite know how fast since the unpatched version ran out of walltime) speeds up recovery with many more processors than wrote the files. It also adds an optimization for CCTK_VarIndex calls inside CarpetIOHDF5 (which happens for every dataset in the file). This is intended only as a proof of what might speed up recovery. A proper implementation would need a more sensible file format. Two option seem possible: 1) extend the index file format by a "filename" or "filenum" attribute to each dataset and use a concatenation of all index files as the map file 2) define a custom hdf5 data type corresponding to the information in a single patch_t, which would have mostly integer field plus two variable length / enumerated ASCII fields (for the patch name, variable name) -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1033> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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Trac February 2014