| Commit message (Collapse) | Author | Age |
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single mechanism provided by CarpetLib.
Use this mechanism everywhere.
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Ignore-this: 309b4dd613f4af2b84aa5d6743fdb6b3
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Add an overloaded function memoryof which measures the size in bytes
of CarpetLib's data structures.
darcs-hash:20080202154302-dae7b-de41c79cb04617327695fae27928c05c5d431ee8.gz
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darcs-hash:20080129044555-dae7b-74b17623c5239e72cfb5e82b305604ee694daba8.gz
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Rename ggf::recompose_free to ggf::recompose_free_old.
Remove code that was commented out.
darcs-hash:20070204180937-dae7b-0c0c9f5b5007d416ec16da8a6781950a4f1406e5.gz
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Define a macro AT() to index into std::vector. Depending on the macro
NDEBUG, AT() is defined either as at(), providing index checking, or
as operator[], providing no checking.
darcs-hash:20070203205854-dae7b-a1999c88c95ba12b1ee66505f712aefdd67d7e6f.gz
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Store the number of active time levels per refinement level, not
globally, because each refinement level can have a different number of
active time levels.
darcs-hash:20060413192655-dae7b-be12d1baef21b3f0a24bbb022297a4856c7d6f14.gz
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darcs-hash:20050201231759-891bb-db87543a706110d2cd819a7f38c1e67cf27e16a3.gz
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Change the way in which the grid hierarchy is stored. The new hierarchy is
map
mglevel
reflevel
component
timelevel
i.e., mglevel moved from the bottom to almost the top. This is
because mglevel used to be a true multigrid level, but is now meant to
be a convergence level.
Do not allocate all storage all the time. Allow storage to be
switched on an off per refinement level (and for a single mglevel,
which prompted the change above). Handle storage management with
CCTK_{In,De}creaseGroupStorage instead of
CCTK_{En,Dis}ableGroupStorage.
darcs-hash:20050201225827-891bb-eae3b6bd092ae8d6b5e49be84c6f09f0e882933e.gz
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darcs-hash:20050101191615-891bb-20b262ff1a4468d5e1c5ac8626a3ead0727c2da9.gz
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darcs-hash:20050101190036-891bb-cf588a05c760e0d465d2efc352defedae6ba4ce5.gz
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Turn most of the templates in CarpetLib, which used to have the form
template<int D> class XXX
into classes, i.e., into something like
class XXX
by setting D to the new global integer constant dim, which in turn is set to 3.
The templates gf and data, which used to be of the form
template<typename T, int D> class XXX
are now of the form
template<typename T> class XXX
The templates vect, bbox, and bboxset remain templates.
This change simplifies the code somewhat.
darcs-hash:20050101182234-891bb-c3063528841f0d078b12cc506309ea27d8ce730d.gz
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darcs-hash:20050101162121-891bb-ac9d070faecc19f91b4b57389d3507bfc6c6e5ee.gz
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That is, say e.g. <cmath> instead of <math.h>.
darcs-hash:20041225182902-891bb-2a4502d6a76ed830ab978030fc4e4765b183509f.gz
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Replace all CVS header tags with the standard "$Header:$".
darcs-hash:20040918132147-891bb-dea889bdd94a479ec412d14d08e9efca63e5c24d.gz
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Re-introduce the parameter Carpet::prolongate_initial_data with the
default "yes". If set to "no", newly created refinement levels are
not initialised through prolongation, which saves quite some time.
Remove the unused optional argument checkpoing_recovery from
Carpet::Regrid.
darcs-hash:20040807174712-07bb3-78054ad80959a2e26238531d9ea54eaac161ffce.gz
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darcs-hash:20040424184234-07bb3-d339b61d1d7b5c1880e29c31a54729ab0c5101f6.gz
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Regrid all grid functions at once. This is necessary to treate vector
grid functions correctly, where otherwise storage would be released
too early. This requires the regridding interface between the dh and
ggf classes to change. Another advantage is that this should now be
faster on multiple processors.
darcs-hash:20040419193833-07bb3-f7474744feaa57f8a1621aeca34de11b65eaeed8.gz
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Remove the parameters Carpet::prolongate_initial_data; this is now
always done.
Remove arguments initialise_from and do_prolongate from Regrid().
Regridding is now done in level mode instead of meta mode.
Furthermore, CarpetRegrid is called in singlemape mode.
darcs-hash:20040418112943-07bb3-2e392df1737ab75f3f0d553bb53bde2ed41f8773.gz
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darcs-hash:20040323183014-07bb3-4562b1a7b1dda25fbcccc7689c19bbd432b8a1ff.gz
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darcs-hash:20040323114027-07bb3-1ac44b7b144e8936307942bc999d54ecb579719f.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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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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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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bbox::size() and bboxset::size() return the number of grid points, not
the product of the shape. This makes larger grids possible.
Mark necessary future changes for vector grid functions with VGF.
darcs-hash:20030919140641-07bb3-94c1897464dcc159725618d611ac28f3f75a3011.gz
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Track the C++ standard.
Derived template classes do not have their template parent classes in
scope; one has to explicitly use "this->" to access parent class
elements.
darcs-hash:20030828192703-07bb3-09c0c6267bffab1dee6bc3a4cfd4b156b51e39b0.gz
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Removed the "dimgeneric_*" data types from CarpetLib. They were never
really used anyway.
Changed "th" into "th<D>".
Renamed "generic_*" to "g*".
Propagated these changes to all other places.
darcs-hash:20030103144936-07bb3-c4d74d2d94a56a898f9bb735666eefc01e2610e2.gz
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Removed user choice of C++ template instantiation model. In my
experience, only one model works, namely explicit template
instantiaion. No need to pretend that the other things work with
Cactus.
(Don't complain to me -- I also think it's a shame that something that
calls itself "compiler" isn't able to do this automatically. Many
other compilers for many other languages do this kind of thing without
even mentioning it. So there's either something fundamentally wrong
with the C++ standard, or with the C++ compiler writers, or with the
perceived wishlists of C++ users. And I would bet an arm and a leg
that it's not the second of these.)
darcs-hash:20020505201656-07bb3-a1b8dfc5587d59c718ad25ce89d0c8973c2b3e6f.gz
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Changed handling of interpolation orders; they are now stored in the
grid functions and don't have to be passed around.
Speeded up some prolongation operators. They are still slow.
darcs-hash:20011209154308-07bb3-caa74a89a87c290852f2b59160ed26d9361f3cf1.gz
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Broke the file "carpet.cc" into several files.
Simplified support for arrays with a dimension different from 3.
Added a testing thorn.
darcs-hash:20010704102946-07bb3-82132f0c643e91f0de33bbaef93f9c693ce7227f.gz
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Second stab at having arrays with a dimension different than grid
functions. Not yet tested.
darcs-hash:20010702112209-07bb3-816053f629c333189a63014698d4b34c124168aa.gz
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Introduced abstraction classes that have no <dim> parameter. This
will make it easier to adapte the driver to support multiple
dimensions at once.
darcs-hash:20010612125655-07bb3-1cba35eb867eca1234b3a40bd7a5641b64776c50.gz
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darcs-hash:20010327202631-f6438-d70466b15bf2224f3ce20968622c77a3cca37a73.gz
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Brought in latest differences from the SGI version. This is work
towards a code that compiles on both architectures.
darcs-hash:20010322174200-f6438-23ab5f26cf84d2666312791c6bdb5a0fc1d0390a.gz
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darcs-hash:20010319203019-f6438-339bf469c6734d21a44ecb7475c7d5d05e6b13fd.gz
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darcs-hash:20010301124010-f6438-fca5ed1e25f84efd816aa0d13fc23b58add7195d.gz
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darcs-hash:20010301114010-f6438-12fb8a9ffcc80e86c0a97e37b5b0dae0dbc59b79.gz
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