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git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@594 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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this rewrites the Reconstruction driver routines since Intel 11 miscompiles the
code using Fortran pointers and generates segfault errors at runtime.
Nested subroutines (another solution to make intel 11 work) do not work with
intel 13.
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@587 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@586 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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1.) one should use ash when declaring array sizes
2.) intel11 chokes on lsh(X), this was already in the first Cray pointer
patch
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@585 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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Intel 12 seems to like these better. Otherwise GRHydro_Con2PrimM.F90
takes very long to compile.
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@580 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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* new experimental prim2con routine that is about twice as
fast as the old one.
* Right now tested only for simple EOS.
* Right now handles only prim2con call after reconstruction
and must be enabled by changing comments in GRHydro_Reconstruct.F90
* remove duplicate code in all reconstruction *_drv.F90 routines
and just have the initialization of plus and minus variables
in the main GRHydro_Reconstruct.F90 routine
From: Christian Ott <cott@bethe.tapir.caltech.edu>
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@556 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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This ensures that all EOS calls have some sensible y_e to work with.
From: Christian Ott <cott@bethe.tapir.caltech.edu>
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@531 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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This does not yet work with the MHD part of the code,
but Philipp is going to change this.
* Improve TOVSolverHot; in particular, give functions unique
names to avoid duplicate symbols with TOVSolverC
From: Christian Ott <cott@bethe.tapir.caltech.edu>
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@473 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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From: Bruno Coutinho Mundim <bcmsma@astro.rit.edu>
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@455 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@307 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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this is need for gfortran 4.1 which otherwise assumes that the arrays have
already been used (in the kind(gaa) initializations inside of
CCTK_DECLARE_ARGUMENTS).
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@278 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@276 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@275 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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* not all features of GRHydro are supported yet, in particular only the
HLLE solver supports Mulitpatch yet.
Original commit by Christian Reisswig and Christian Ott
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@273 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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* get rid of nonsensical re-computation of the conserved tracer
* remove support for shift_state = 0 and get rid of unnecessary
assignments.
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@256 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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1) Further splitting of PPM Reconstruction routine into magnetic
and non-magnetic part.
2) Merge the divergence cleaning loop into the non-divergence one,
since profiling indicated no substantial difference between the
two cases. Indeed it was a little bit better after the merger
(0.14%), but that it is not significant. We decided then to apply
Occam's razor and choose the simplest form. Branch prediction
seems to work fine in this case.
3) Move reconstruction initialization statements to their repective
drivers.
4) Get rid of WORKSHARE in the reconstruction routines. Profiling
showed a 4.16% performance improvement for the hydro ppm reconstruction
routine when using 1 processor and 2 threads only. Expect a
better improvement for a larger number of threads.
5) Introduce a parameter to control characteristic speeds
for psidc in HLLE.
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@255 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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Comments:
1) The reconstruct routine is the most expensive routine
in GRHydro and may require some serious thought in the
future regarding optimization.
2) This routine was merged by the end of the last year.
With too many loops, the compiler wasn't able to fully
optimize it (and it would warn about that).
3) With this split, the code became easier to read,
the compiler was able to fully optimize it, but we only
have a marginal gain in the routine performance (3.2%).
Further optimization and clean-up is still desirable.
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@252 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
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