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Undo interface/capability update, because now Carpet conflicts with
PUGH. Need to sort things out, maybe switch temporarily back to the
"requires thorns" mechanism.
darcs-hash:20040504205239-07bb3-771c6ec96a2b454d63c87a6dc7a1f44f62cd8fd7.gz
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Use the local instead of a registered coordinate system for
interpolation. This will enable patch-local multi-patch
interpolation.
darcs-hash:20040504201254-07bb3-2c00ac4fb8a00d211289814abc892908d4c78a42.gz
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darcs-hash:20040504200954-07bb3-cd9f17c981ce37247fa2122858b10b46425f678a.gz
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darcs-hash:20040418120959-07bb3-05050a71e475171cac6b293de35118e4af8df5ba.gz
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When a grid point is not in any component, map it to an arbitrary
component instead of aborting.
darcs-hash:20040416185756-07bb3-9faf77dee8876c69e83780620702df6d2c660bec.gz
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darcs-hash:20040331143832-07bb3-7a1e263661a7034f7ad6d38b048ce79015d4f20d.gz
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darcs-hash:20040331105058-07bb3-0c0495c75cd248152699703e2e6d1520c9c80052.gz
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darcs-hash:20040308081244-07bb3-353fed99bc85bc4ba6c8aa6f6c9739a31831ffa3.gz
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darcs-hash:20040227152205-07bb3-33135e23f97ccb01f347189ca57b01003732863d.gz
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When interpolating in time, call the local interpolator many times
instead of only once. This is slower, but it avoids having to rewrite
all input arguments -- and there are many input arguments, most of
them hidden in the options table. In fact, Carpet can not even know
how many input arguments there are.
darcs-hash:20040215101516-07bb3-fac5be0b7f5557733f81b66cf70cea86e79f67ec.gz
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darcs-hash:20040215093414-07bb3-1b9b2a4fd94a77be876fef35aa15a2eef7d55941.gz
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Use (rl-minrl) instead of rl to index into the count arrays (that are
used to communicate which processor works on how many grid points on
what levels).
darcs-hash:20040214140929-07bb3-e0305bc753a075f79d1d476c22b5773e7e6edd88.gz
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this removed it finds horizons and so on again.
An additional coord_delta appeared in the local grid geometry setup. With this removed it finds horizons and so on again.
However, for me it seems to be an order of magnitude slower than before?!
darcs-hash:20040129113915-58737-8c9c38eabdb0523434e413305dfcb6378e4f4c2b.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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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:20040125125727-07bb3-3368611314b2dcb8c8ae58ab3f501b683d7edb8f.gz
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darcs-hash:20031113162947-07bb3-267cc4954cf1498f2a1f058eb4c23904976e92e9.gz
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darcs-hash:20031107122106-07bb3-a21c30bb42714054caed0490f79121cfef385697.gz
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darcs-hash:20031106133319-07bb3-f59f24cdc8a5f5b170693e56b1b8f2a14b1adf0e.gz
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Many changes that accumulated while Cactus and Carpet diverged.
Add processor splitting mechanism "along-dir" that splits along a
specified direction.
Rename group PostRestrict to bin POSTRESTRICT.
Prolongate initial data only when desired. This saves much time.
Sorry, Ian.
Fix bug in time level cycling of grid arrays. (Note: grid arrays
should not have time levels.)
Fix time_t bug on IRIX.
Make sure that there is no integer overflow when there are many
refinement levels. Always put parentheses around
(maxreflevelfact/reflevelfact).
Fix typo in Carpet verbose output.
Add debug output in processor splitting.
Communicate in three stages: Irecv, (work), Isend, Wait. This might
be more efficient. Much more, potentially.
Fix bug in processor layout of grid arrays. Sorry, Ian.
Make the interpolator interpolate between time levels. Untested.
Fix bug in processor communication in interpolator. Sorry, Ian.
Rewrite prolongation operators to make them twice as fast. There you
are, Ian.
Move prolongation operator kind handling from data to gdata.
Add official hyperslabbing interfaces to CarpetSlab.
Adapt to new cGH * handling.
darcs-hash:20031105151837-07bb3-758a87ff0355dba053269df4b7d7d79bea018669.gz
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Many changes that accumulated while Cactus and Carpet diverged.
Add processor splitting mechanism "along-dir" that splits along a
specified direction.
Rename group PostRestrict to bin POSTRESTRICT.
Prolongate initial data only when desired. This saves much time.
Sorry, Ian.
Fix bug in time level cycling of grid arrays. (Note: grid arrays
should not have time levels.)
Fix time_t bug on IRIX.
Make sure that there is no integer overflow when there are many
refinement levels. Always put parentheses around
(maxreflevelfact/reflevelfact).
Fix typo in Carpet verbose output.
Add debug output in processor splitting.
Communicate in three stages: Irecv, (work), Isend, Wait. This might
be more efficient. Much more, potentially.
Fix bug in processor layout of grid arrays. Sorry, Ian.
Make the interpolator interpolate between time levels. Untested.
Fix bug in processor communication in interpolator. Sorry, Ian.
Rewrite prolongation operators to make them twice as fast. There you
are, Ian.
Move prolongation operator kind handling from data to gdata.
Add official hyperslabbing interfaces to CarpetSlab.
Adapt to new cGH * handling.
darcs-hash:20031105141838-07bb3-d348d033307d82905893e241be485c4db2ce8ce3.gz
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Make gf and data objects store a Cactus variable index that this
object is associated with. This can be used to access various kinds
of information, e.g. variable names.
darcs-hash:20031014143916-07bb3-678d114393008db7790b5ed72d6462673414c06a.gz
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(CarpetLib, Carpet, FlexIO) to be compiled in and activated via the
"Requires thorns: ..." attribute in the configuration.ccl files.
No need to inherit from those thorns/implementations anymore.
darcs-hash:20030904142321-1d9bf-309be01f0950d97b8cb45d041d44edce01aff2a5.gz
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Print an error message instead of an assertion failure when
CarpetInterp is asked to interpolate in time.
darcs-hash:20030815094225-07bb3-ca72656b5a70fca45e186e9fd299fffbe5a08990.gz
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Do not include header files from other Carpet thorns directly.
Instead, use the "INCLUDES HEADER" and "USES INCLUDE HEADER"
mechanism.
darcs-hash:20030618162807-07bb3-a81444cde6c76e6a24516d108861fc1b5541c643.gz
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Major update after a quiet time.
Carpet: The flesh now has new cGH fields cctk_levoff[],
cctk_levoffdenom[], and cctk_timefac that describe the spatial offset
and temporal refinement factor between the base and the current
refinement level. These fields are now set and used; they change how
coordinates are handled.
CarpetIOASCII: Fix bugs regarding choosing the output hyperslab and
the output coordinates.
ID*, *Toy*: New WaveToy examples with various formulations and
different integrations methods. Currently, none of them converge to
second order except the standard WaveToy formulation.
These updates require the recent flesh, base thorn (and MoL) updates.
darcs-hash:20030618162427-07bb3-70761f74bce6ae246b5a2943a385647657d46d34.gz
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darcs-hash:20030521140332-07bb3-e588734900063e2139bc9a62e0f697c1faafa68d.gz
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darcs-hash:20030521123050-07bb3-95b82d76c23f1e81445272bdb24a380d307751a0.gz
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darcs-hash:20030513132046-07bb3-14eceb228ba579b7cd8aa90cd27ecd4e6999bf0c.gz
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darcs-hash:20030513101942-07bb3-2a9b4aa40aafc2566a13522ff7704e480e9817b6.gz
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Handle empty grids.
Fix global and level mode handling of the interpolator.
Allow local mode calls for the interpolator, reduction operator, and
hyperslabber, assuming that people know what they are doing.
darcs-hash:20030513101400-07bb3-42af7544c2ea98dbef5a7ad6d5112bea2dcc404f.gz
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darcs-hash:20030512142540-07bb3-f06f82c44036c5410c1b8b5c0aa8159a6d90f1eb.gz
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Implement a proper separation between global, level, and local mode.
This is a major change that might break things.
darcs-hash:20030508133549-07bb3-95ccfb6eb2b64e72353d301afddd8722a92c64a3.gz
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darcs-hash:20030502135937-07bb3-edf4bfadc319f7119d0670946d165ca90d87cad4.gz
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First cut at the interpolator. Tentatively works on unigrid and for
singlepatch mode.
darcs-hash:20030430103731-07bb3-dad06ae817a997cfd4f1beefc4065ca1ecc12342.gz
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darcs-hash:20030429120225-07bb3-0f0182b6244d7914963030752b90b4992289c910.gz
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darcs-hash:20010301114010-f6438-12fb8a9ffcc80e86c0a97e37b5b0dae0dbc59b79.gz
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