| Commit message (Collapse) | Author | Age |
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Ignore-this: 309b4dd613f4af2b84aa5d6743fdb6b3
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darcs-hash:20070419020659-dae7b-03dbccd1c7f3a53559cbfb4472c8cedb06a5b4bd.gz
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Adapt to the changes in CarpetLib to implement cell centering.
darcs-hash:20070113005851-dae7b-2e84bf44f70f196400036670de2086f7af3aaa1e.gz
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darcs-hash:20060904230152-dae7b-8fa627c65bd3f41baec464022f5ed27ffb74903c.gz
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darcs-hash:20060509130637-dae7b-5c371443457f8b17bad6cb0bed7bf0607d8b9cca.gz
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darcs-hash:20050101162121-891bb-ac9d070faecc19f91b4b57389d3507bfc6c6e5ee.gz
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Replace all CVS header tags with the standard "$Header:$".
darcs-hash:20040918132147-891bb-dea889bdd94a479ec412d14d08e9efca63e5c24d.gz
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Add functions to access the MPI data type corresponding to the real
data type corresponding to a (complex) data type.
darcs-hash:20040616143602-07bb3-f96288d8410c367533ca39be0416ebdb27fc02f1.gz
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Make Carpet ready for multiple patches.
Make the patch index available in a GH extension.
darcs-hash:20040521161623-07bb3-4f3148f677aff087d62828ed4b480fe8b412bc76.gz
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darcs-hash:20040404172413-07bb3-40833e28619f303948dde001401a918a1779f239.gz
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Import the recently announced changes:
1. Carpet has now an infrastructure for multiple maps (aka "grid
patches"). Instead of a single grid hierarchy there can now be
several. This is largely untested, because the remainder of Cactus
cannot handle multiple coordinate systems.
2. The order in which the schedule bins are called has changed. As Ian
Hawke pointed out, the previous order during time evolution was
inconsistent. The initial data ordering did not allow for recovering
and was not usable for progressively solving elliptic equations for
initial data.
3. Carpet now supports convergence levels. The convergence level
specifies by how many factors of two the resolution in the parameter
file should be coarsened (or refined, if negative). This should make
convergence tests and test runs much easier. It is, in principle, also
possible to run several convergence levels at once. This has not been
tested because the remainder of Cactus cannot handle multiple
resolutions. This will be necessary for a multigrid solver, and also
for having a shadow hierarchy to determine where to refine adaptively.
4. Carpet works together with the new CoordBase domain specification
parameters. Without these, using convergence levels will lead to very
strange results.
5. The "modes" have changed. There are now:
meta mode: the whole simulation
global mode: one convergence level
level mode: one refinement level
singlemap mode: one map on one refinement level
local mode: as previously
The whole mode handling has been cleaned up.
6. The regridding thorn has been cleaned up.
7. The kind of prolongation stencil is now determined in Carpet, i.e. at
a fairly hight level, instead of in CarpetLib.
8. The low-order prolongation operators have been made much more
efficient (as have previously the higher-order ones).
9. Assorted smaller changes.
For Carpet users, there should be no major incompatibilities. The major
improvements are 3 and 4 combined. Here is an example:
CoordBase::domainsize = extent
CoordBase::spacing = gridspacing
CoordBase::zero_origin_x = yes
CoordBase::zero_origin_y = yes
CoordBase::zero_origin_z = yes
CoordBase::xextent = 20.0
CoordBase::yextent = 20.0
CoordBase::zextent = 20.0
CoordBase::dx = 1.0
CoordBase::dy = 1.0
CoordBase::dz = 1.0
CoordBase::boundary_shiftout_x_lower = 1
CoordBase::boundary_shiftout_y_lower = 1
CoordBase::boundary_shiftout_z_lower = 1
Carpet::domain_from_coordbase = yes
Carpet::convergence_level = 0
grid::type = coordbase
grid::domain = octant
grid::avoid_origin = no
This gives you a grid that extends from the origin ("zero_origin") up to
20.0 with a grid spacing of 1.0. Symmetry zones and boundary zones are
added automatically. The "shiftout" says that there is no boundary
point on the origin. The staggering parameters (not shown) default to
"no". In order to change the resolution, only the convergence level
has to be adjusted. Note that the old way of specifying the domain
extent still works.
For Carpet developers, one major change is the new mode handling. As
described in 5, the looping macros (that loop over all refinement
levels, or all components) have changed.
darcs-hash:20040125135727-07bb3-51c9647c1b5080e7e180b52a1b81fa155cfd19e9.gz
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darcs-hash:20030919140431-07bb3-cc12e5b46fc46ab3c40917ae346e8532b3d37bd5.gz
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Fix the casing of the postrestrict group to PostRestrict. Update all
schedule.ccl files accordingly.
Introduce a Carpet parameter buffer_width. This parameter specifies a
region within refined grids that is also boundary-prolongated.
Introduce a function CarpetEnableProlongation to dis- and re-enable
boundary prolongation.
darcs-hash:20030720190343-07bb3-0c5db5cebe769c0d4b3237f11a089aab9da94b1a.gz
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When initialising each timelevel, treat only the last round (at t=0)
as global.
Add routines to call level mode and local mode routines from global
mode and level mode.
Do not pass lsh=0 in global mode and level mode.
darcs-hash:20030527100111-07bb3-495c4454473fe64d62730a5370fada3787424ad9.gz
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darcs-hash:20030502122231-07bb3-854522265e6ab9d57d3b24ba5af3437af07a3bc6.gz
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SetupGH.cc: Give more veryverbose screen output before regridding.
Carpet_public.h helpers.cc: Provide a gate for users from global to
local routines.
Evolve.cc Storage.cc: More tweaks for time levels at different times.
darcs-hash:20030430104321-07bb3-31ae43c1c37b598922b40862739fd4e01bac387c.gz
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darcs-hash:20020901125223-07bb3-f494618480c1ffc46118365c4c957d7a313d7be9.gz
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Pulled regridding out of the driver proper.
Without the new regridding thorn, Carpet will now default to a single
level, i.e. the base level only. Use the thorn CarpetRegrid and set
the parameter CarpetRegrid::refinement_levels to get refinement.
darcs-hash:20011214153904-07bb3-b765f596812c0321ab0f898f93a9fbd192c49c09.gz
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Added more bones to skeleton of CarpetParamCheck.
Changed handling of interpolation orders; they are now stored in the
grid functions and don't have to be passed around.
Setting spatial prolongation order to zero if there are no ghost
zones.
Setting temporal prolongation order to zero if there is only one time
level.
Added prolongating the boundaries of the fine grid after restricting
to the coarse grid. Restricting the coarse grid changes the coarse
grid, hence changes the boundary of the fine grid.
darcs-hash:20011209154152-07bb3-0ff824b0462b54926fbe0a8f5fa075dff5fecbb5.gz
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Added more helper functions.
Added sample configuration using gcc 3.0.
darcs-hash:20011207172415-07bb3-6bd456e009997ee816a974ddc290d5db283c72c8.gz
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darcs-hash:20011205023155-07bb3-2b8f43070aac0e38ad0f896b6ae73c8baa7608af.gz
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Changed handling of scalars. Scalars are now zero-dimensional arrays.
Now handling CCTK_GroupDynamicData correctly.
Now using "include header".
Added results of test case.
darcs-hash:20010709070002-07bb3-ba0f4339acb8652e35a884fbdf7e8482b7236f8e.gz
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darcs-hash:20010301114010-f6438-12fb8a9ffcc80e86c0a97e37b5b0dae0dbc59b79.gz
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