Trac October 2013

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148 discussions

[Einstein Toolkit] #1363: Crash on startup in Piraha
by Einstein Toolkit 13 Jan '14

13 Jan '14

#1363: Crash on startup in Piraha ----------------------+----------------------------------------------------- Reporter: eschnett | Owner: Type: defect | Status: new Priority: blocker | Milestone: ET_2013_05 Component: Other | Version: Keywords: | ----------------------+----------------------------------------------------- I built a Cactus configuration with fewer thorns than usual, and with assertions disabled (-DNDEBUG. This configuration does not start; it crashes on startup with a backtrace {{{ #0 std::_Rb_tree<void*, void*, std::_Identity<void*>, std::less<void*>, std::allocator<void*> >::_M_insert_unique<void* const&> (this=0x0, __v=@0x7fff5fbfd228) at locale_facets.h:1078 #1 0x000000010072e6f2 in smart_ptr<piraha::Grammar>::smart_ptr (this=0x104b9d0d0, ptr=0x10570a5a0, array_=<value temporarily unavailable, due to optimizations>) at stl_set.h:415 #2 0x0000000100721542 in piraha::AutoGrammar::reparserGenerator () at AutoGrammar.cc:6 #3 0x0000000100c2ada6 in _GLOBAL__sub_I_Grammar.cc () at smart_ptr.hpp:53 #4 0x00007fff5fc13762 in __dyld__ZN16ImageLoaderMachO16doInitializationERKN11ImageLoader11LinkContextE () }}} This indicates that the failure oocurs during initialisation of a global variable during startup. _Rb_tree points to a set or a map. This may be caused by {{{ extern smart_ptr<Grammar> pegGrammar; }}} I also see that Piraha has some code in smart_ptr.hpp that is only added when DNEBUG is defined, and contains assert calls (!). Given that NDEBUG disables assert, this looks like an error. It is considered bad style to use C++ constructors to initialise global variables; this is fragile and breaks often. I suggest instead to change these global variables to pointers, to initialise them to NULL, and to allocate to respective objects explicitly at run time. This is safer, as it ensures that things are allocated in the right order. I also just see that there is a global variables called "ptrs" in Piraha. This is not good; please use a cctki_ prefix for all globally visible variables and functions (or move them into a namespace). -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1363> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1457: m=2 ftp coefficient for teukolsky waves in IDLinearWaves missing
by Einstein Toolkit 13 Jan '14

13 Jan '14

#1457: m=2 ftp coefficient for teukolsky waves in IDLinearWaves missing -----------------------------------+---------------------------------------- Reporter: rhaas | Owner: Type: defect | Status: new Priority: major | Milestone: Component: EinsteinToolkit thorn | Version: development version Keywords: | -----------------------------------+---------------------------------------- the theta-phi coefficient was not set at all and contained random data. The patch implements the coefficient as found in Eq. 7 of PRD 26:745 (1982) which is the paper referenced in the docs. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1457> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1291: Boundary does not check for storage
by Einstein Toolkit 13 Jan '14

13 Jan '14

#1291: Boundary does not check for storage -----------------------------------+---------------------------------------- Reporter: eschnett | Owner: Type: defect | Status: new Priority: major | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: | -----------------------------------+---------------------------------------- I accidentally selected a variable for a flat boundary condition (with thorn Boundary) without storage. This led to a segfault. Instead, thorn Boundary should output an error message or a warning. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1291> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1369: Error link doesn't work on Mac
by Einstein Toolkit 06 Jan '14

06 Jan '14

#1369: Error link doesn't work on Mac ---------------------+------------------------------------------------------ Reporter: sbrandt | Owner: sbrandt Type: defect | Status: new Priority: major | Milestone: Cactus_4.3.0 Component: Mojave | Version: Keywords: | ---------------------+------------------------------------------------------ Error link doesn't work on Mac -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1369> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1367: Mojave commands don't work with symlinks
by Einstein Toolkit 20 Dec '13

20 Dec '13

#1367: Mojave commands don't work with symlinks ---------------------+------------------------------------------------------ Reporter: sbrandt | Owner: sbrandt Type: defect | Status: new Priority: major | Milestone: Cactus_4.3.0 Component: Mojave | Version: Keywords: | ---------------------+------------------------------------------------------ Mojave commands don't work with symlinks -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1367> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1266: Featue request for Parity Symmetry thorn
by Einstein Toolkit 14 Dec '13

14 Dec '13

#1266: Featue request for Parity Symmetry thorn ---------------------------------+------------------------------------------ Reporter: yosef@… | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: Other | Version: Keywords: | ---------------------------------+------------------------------------------ I started looking at runs with parity symmetry, that is the only symmetry is the simultaneous reflection about x, y, and z. I think I was able to "implement" this symmetry by changing just a handful of lines in Rotating180 and I'm a little less sure about my changes to carpetregrid2. I was wondering, would there be any interest in adding this symmetry to ET? -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1266> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1384: simplify using Refluxing with MoL
by Einstein Toolkit 11 Dec '13

11 Dec '13

#1384: simplify using Refluxing with MoL -------------------------+-------------------------------------------------- Reporter: rhaas | Owner: Type: enhancement | Status: new Priority: optional | Milestone: Component: Other | Version: development version Keywords: Refluxing | -------------------------+-------------------------------------------------- currently one needs to set two parameters when using Refluxing with GRHydro only: nvars and nvars_evolved which are set to the same value. The two different parameters allow refluxing to be used with thorns that implement their own timestepping indedpendent of MoL. To simplify usage in situations where only MoL is used I proposed to introduce a new parameter nvars_not_evolved_with_MoL which defaults to zero and to retire nvars_evolved in favor of the new parameter. This would make MoL based simulations with only a single parameter choice possible. Alternatively we could have a second string non_MoL_refluxing_variables that lists the variables which have refluxing applied to them but are not evolved with MoL. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1384> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #995: used shared memory on a node to share EOS table
by Einstein Toolkit 02 Dec '13

02 Dec '13

#995: used shared memory on a node to share EOS table -----------------------------------+---------------------------------------- Reporter: rhaas | Owner: Type: enhancement | Status: new Priority: minor | Milestone: Component: EinsteinToolkit thorn | Version: Keywords: EOS_Omni | -----------------------------------+---------------------------------------- the attached patch has processes on the same node share the memory to store the EOS table. It required a patch to the flesh to detect the shared memory support functions in the OS. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/995> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1357: import CartesianCoordiantes into ET
by Einstein Toolkit 02 Dec '13

02 Dec '13

#1357: import CartesianCoordiantes into ET -------------------------+-------------------------------------------------- Reporter: rhaas | Owner: Type: enhancement | Status: new Priority: optional | Milestone: Component: Other | Version: Keywords: | -------------------------+-------------------------------------------------- CartesianCoordinates provides a minimal Llama Coordiantes interface providing only Cartesian coordinates. Useful to run thorns that require Llama when Llama is not available. The thorn is currently in incoming. -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1357> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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[Einstein Toolkit] #1356: import ZelmaniQuadWaveExtract into ET
by Einstein Toolkit 02 Dec '13

02 Dec '13

#1356: import ZelmaniQuadWaveExtract into ET ------------------------------------+--------------------------------------- Reporter: rhaas | Owner: Type: enhancement | Status: new Priority: optional | Milestone: Component: Other | Version: Keywords: ZelmaniQuadWaveExtract | ------------------------------------+--------------------------------------- from the README: Cactus Code Thorn ZelmaniQuadWaveExtract Thorn Author(s) : Christian D. Ott <cott(a)aei.mpg.de> Thorn Maintainer(s) : Christian D. Ott <cott(a)aei.mpg.de> -------------------------------------------------------------------------- Purpose of the thorn: Implements quadrupole formula wave extraction for Zelmani -- Ticket URL: <https://trac.einsteintoolkit.org/ticket/1356> Einstein Toolkit <http://einsteintoolkit.org> The Einstein Toolkit

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Trac October 2013