Trac April 2013

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178 discussions

[Einstein Toolkit] #456: Ensure functions are not defined twice
by Einstein Toolkit 08 Jul '13

08 Jul '13

#456: Ensure functions are not defined twice -------------------------+-------------------------------------------------- Reporter: hinder | Owner: Type: enhancement | Status: new Priority: major | Milestone: Component: Cactus | Version: Keywords: | -------------------------+-------------------------------------------------- When multiple source files define non-static functions with the same name, these are all compiled together into the resulting executable. Which one gets called is not predictable by the user. This can happen if a user copies a thorn, modifies it slightly, and compiles both thorns into the same configuration. This can lead to *very* difficult-to-find bugs, and it would be helpful if Cactus was able to prevent this, or at least to mitigate the problem. At the CST level, Cactus should be able to tell that there are two thorns which schedule functions with the same name. At the moment, this is not caught. I propose that this should be a fatal error, as there is no way to predict which function will be called eventually. This will solve the problem in some cases, but not in the case where there are instances of duplicate function names which are not scheduled. It should be possible to scan the object/library files using standard tools (nm etc) to determine if there are multiple globally visible symbols with the same name. There might even be standard tools for this purpose. Doing this in a portable way might not be straightforward, but having an implementation for Linux, for example, would catch the majority of cases. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/456> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1195: Modify bisection algorithm in EOS_Omni's nuc_eos
by Einstein Toolkit 07 Jul '13

07 Jul '13

#1195: Modify bisection algorithm in EOS_Omni's nuc_eos -----------------------------------+---------------------------------------- Reporter: eschnett | Owner: Type: enhancement | Status: new Priority: major | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: | -----------------------------------+---------------------------------------- EOS_Omni's nuc_eos routines use a bisection method to find the temperature for a given internal energy. This bisects on the temperature T. I suggest to bisect on log T instead, which is a more natural operation. For example, if the temperature range is [1...1000] in some units, then bisecting in T will examine the sequence 500, 250, 125, ..., and will thus perform many table lookups until (say) T=10 is reached. Bisecting in log T will find this result much faster. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1195> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #447: simfactory 1.0 always uses -L 3
by Einstein Toolkit 06 Jul '13

06 Jul '13

#447: simfactory 1.0 always uses -L 3 ----------------------------------------------+----------------------------- Reporter: alexander.beck-ratzka@… | Owner: eschnett Type: defect | Status: new Priority: major | Milestone: Component: SimFactory | Version: Keywords: | ----------------------------------------------+----------------------------- The perl version of simfactory always uses the debugging loglevel for simulations. The loglevel of a cactus simulation can be specified by setting -L to a value between 0 (none) and 3 (debug). While the cactus default is 0, simfactory sets it to 3. The debug loglevel could lead to huge output files. I would suggest to set it to the cactus default, and allow a user to increase it. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/447> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #107: Update released einsteintoolkit.bib once we have a more final version
by Einstein Toolkit 06 Jul '13

06 Jul '13

#107: Update released einsteintoolkit.bib once we have a more final version -----------------------+---------------------------------------------------- Reporter: anonymous | Type: task Status: new | Priority: major Milestone: | Component: EinsteinToolkit website Version: | Keywords: -----------------------+---------------------------------------------------- -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/107> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1299: Correct ET logo on https://www.ohloh.net/p/einsteintoolkit
by Einstein Toolkit 06 Jul '13

06 Jul '13

#1299: Correct ET logo on https://www.ohloh.net/p/einsteintoolkit ----------------------+----------------------------------------------------- Reporter: eschnett | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: Other | Version: Keywords: | ----------------------+----------------------------------------------------- The Einstein Toolkit logo on <https://www.ohloh.net/p/einsteintoolkit> looks bad, because it has the wrong aspect ratio. We should upload a square logo instead. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1299> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #346: Detect when --reconfig is necessary
by Einstein Toolkit 06 Jul '13

06 Jul '13

#346: Detect when --reconfig is necessary ----------------------+----------------------------------------------------- Reporter: eschnett | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: Other | Version: Keywords: | ----------------------+----------------------------------------------------- Cactus sometimes outputs an error message that a configuration needs to be reconfigured. Simfactory should notice this, and then automatically build with --reconfig. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/346> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1065: Pass CCTK_ARGUMENTS more efficiently in Fortran
by Einstein Toolkit 06 Jul '13

06 Jul '13

#1065: Pass CCTK_ARGUMENTS more efficiently in Fortran -------------------------+-------------------------------------------------- Reporter: eschnett | Owner: Type: enhancement | Status: new Priority: major | Milestone: Component: Other | Version: Keywords: | -------------------------+-------------------------------------------------- CCTK_ARGUMENTS is passed differently in C and in Fortran. In C, only a single pointer is passed, pointing to cctkGH. The cctk_... variables and pointers to grid functions are defined locally from cctkGH. This is efficient, because (a) only a single variable is passed, and (b) the compiler can eliminate unused definitions. In Fortran, all the cctk_... variables and all grid functions are passed explicitly. This is expensive for the caller, because hundreds of arguments have to be set up and passed to the subroutine. The compiler cannot eliminate any unused variables. I suggest to change the Fortran calling convention to be the same as the one for C. Since regular Fortran pointers differ significantly from C pointers, I suggest to use "Cray pointers" instead, which are very similar to C pointers. Cray pointers are an extension to the Fortran standard, and are supported by all Fortran compilers I know of. I attach sample code that shows how to declare, define, and use this convention. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1065> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1015: increase file size limit
by Einstein Toolkit 06 Jul '13

06 Jul '13

#1015: increase file size limit ----------------------------------+----------------------------------------- Reporter: rhaas | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: EinsteinToolkit trac | Version: Keywords: | ----------------------------------+----------------------------------------- Could we increase the size limit for attached files, please? Right now it seems to be 256k which is regularly too small if I have to attach a patch with test data. I don't really like splitting up patches into a code patch (uncompressed) and a gzipped data patch for the test data all the time. It is just very very error prone. At least for logged in users. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1015> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #907: TRAC: allow to create a ticket with review state
by Einstein Toolkit 06 Jul '13

06 Jul '13

#907: TRAC: allow to create a ticket with review state ----------------------------------+----------------------------------------- Reporter: bmundim | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: EinsteinToolkit trac | Version: Keywords: TRAC | ----------------------------------+----------------------------------------- Sometimes we want to create a ticket with an attached patch and assign the ticket to be reviewed. That should be possible with only one "modify ticket". Currently we need to create the ticket with the attachment and then modify the ticket afterwards to review state. The problem is that sometimes we forget to change to review state. It would be nice to do it all at once. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/907> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[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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Trac April 2013