Trac October 2011

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179 discussions

[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] #554: GetComponents deletes local changes
by Einstein Toolkit 08 Nov '11

08 Nov '11

#554: GetComponents deletes local changes ------------------------+--------------------------------------------------- Reporter: eschnett | Owner: eschnett Type: defect | Status: new Priority: blocker | Milestone: Component: SimFactory | Version: Keywords: | ------------------------+--------------------------------------------------- After checking out an svn repository with GetComponents, I manually switched to a different branch, and added local changes. GetComponents --update then checked out the original branch and deleted all my local changes. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/554> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #508: list-simulations displays job ID when it doesn't make any sense
by Einstein Toolkit 08 Nov '11

08 Nov '11

#508: list-simulations displays job ID when it doesn't make any sense ------------------------+--------------------------------------------------- Reporter: hinder | Owner: eschnett Type: defect | Status: new Priority: minor | Milestone: Component: SimFactory | Version: Keywords: | ------------------------+--------------------------------------------------- The list-simulations command displays a restart number and job ID even for simulations for which there is no job in the queue. The attached patch omits these in that case. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/508> 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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[Einstein Toolkit] #545: Use ssh ProxyCommand instead of multiple ssh commands
by Einstein Toolkit 08 Nov '11

08 Nov '11

#545: Use ssh ProxyCommand instead of multiple ssh commands -------------------------+-------------------------------------------------- Reporter: eschnett | Owner: eschnett Type: enhancement | Status: new Priority: major | Milestone: Component: SimFactory | Version: Keywords: | -------------------------+-------------------------------------------------- This would simplify quoting, thus also simplify the screen output, and may speed up things on remote connections. Here is an example: ssh -Y -o ProxyCommand='ssh eschnetter(a)mars.perimeterinstitute.ca nc -w 1 curry.pi.local 22' eschnett(a)curry.pi.local -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/545> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #644: Change documentation to talk about SVN instead of CVS
by Einstein Toolkit 08 Nov '11

08 Nov '11

#644: Change documentation to talk about SVN instead of CVS --------------------+------------------------------------------------------- Reporter: hinder | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: Cactus | Version: Keywords: | --------------------+------------------------------------------------------- The current documentation contains outdated references to CVS. Cactus is now managed using SVN. This patch to the documentation updates the information. It also removes a detailed description of CVS and leaves only a basic guide, pointing users instead to the online SVN manual. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/644> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #643: UserGuide: Document current TRAC system instead of GNATS for problem reports
by Einstein Toolkit 08 Nov '11

08 Nov '11

#643: UserGuide: Document current TRAC system instead of GNATS for problem reports ---------------------------+------------------------------------------------ Reporter: hinder | Owner: Type: defect | Status: new Priority: minor | Milestone: Component: Cactus | Version: development version Keywords: documentation | ---------------------------+------------------------------------------------ The Cactus documentation (a shared appendix between the User Guide and the Reference Manual) currently talks about using the GNATS problem reporting system. We now use TRAC. The attached patch updates the documentation to describe the new system. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/643> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #637: output puncture velocity in puncturetracker
by Einstein Toolkit 04 Nov '11

04 Nov '11

#637: output puncture velocity in puncturetracker -----------------------------------+---------------------------------------- Reporter: rhaas | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: PunctureTracker | -----------------------------------+---------------------------------------- the attached patch allows the puncture velocities to be output (simply moves the result of an interpolation into grid functions). -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/637> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #544: Enable optimisation in Fortran array index calculations
by Einstein Toolkit 27 Oct '11

27 Oct '11

#544: Enable optimisation in Fortran array index calculations -------------------------+-------------------------------------------------- Reporter: eschnett | Owner: Type: enhancement | Status: new Priority: major | Milestone: Component: Cactus | Version: Keywords: | -------------------------+-------------------------------------------------- In Fortran, Cactus passes all grid functions as arguments to routines, and the size of the grid functions are declared in DECLARE_CCTK_ARGUMENTS. In these declarations, Cactus assumes that the size of each grid variable group can be different, and the compiler thus does not see that all grid functions have (locally) the same array shape. The compiler can thus not simplify array index calculations. This is probably only relevant in short loops accessing grid functions from multiple groups (GRHydro?). The attached patch passes three additional integer arguments (cctk_lsh[123]) which contain the shape of grid functions, and uses these to declare grid functions. This patch is quite old, but was never applied. It comes from a time when g77 didn't support declaring array shapes via an integer array (since this is not allowed in Fortran 77). If this is now possible, one could use the array cctk_lsh instead of passing three extra integer arguments. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/544> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #235: Improve performance of Fortran index calculations
by Einstein Toolkit 27 Oct '11

27 Oct '11

#235: Improve performance of Fortran index calculations -------------------------+-------------------------------------------------- Reporter: eschnett | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: Cactus | Version: Keywords: | -------------------------+-------------------------------------------------- In Fortran, Cactus currently declares grid functions e.g. as (this is the expansion of DECLARE_CCTK_ARGUMENTS) REAL*8 gxx (X0metric,X1metric,X2metric) where X0metric etc. are integers passed into the routine. Each grid function group has its own, independent size. This has two disadvantages: 1. The compiler does not know that all grid functions have the same size (namely cctk_lsh), and thus has to perform array index calculations separately for each group 2. The argument list is longer than neded The enclosed patch declares grid functions via cctk_lsh. Grid arrays are still declared independently. This reduces the code size of e.g. GRHydro/GRHydro_Tmunu.F90 from 6836 to 6241 bytes on my system. I have not attempted to measure a performance difference. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/235> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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Trac October 2011