| Commit message (Collapse) | Author | Age |
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Store the current Cactus time (and not a fake Carpet time) in the th
"time hiearchy". This removes the now redundant "leveltimes" data
structure in Carpet.
Add past time levels to th, so that it can store the time for past
time levels instead of assuming the time step size is constant. This
allows changing the time step size during evolution.
Share the time hierarchy between all maps, instead of having one time
hierarchy per map.
Simplify the time level cycling and time stepping code used during
evolution.
Improve structure of the code that loops over time levels for certain
schedule bins. Introduce a new Carpet variable "timelevel", similar
to "reflevel".
This also makes it possible to avoid time interpolation for the past
time levels during regridding. The past time levels of the fine grid
then remain aligned (in time) with the past time levels of the coarse
grid. This is controlled by a new parameter
"time_interpolation_during_regridding", which defaults to "yes" for
backwards compatibility.
Simplify the three time level initialisation. Instead of initialising
all three time levels by taking altogether three time steps (forwards
and backwards), initialise only one past time level by taking one time
step backwards. The remaining time level is initialised during the
first time step of the evolution, which begins by cycling time levels,
which drops the non-initialised last time level anyway.
Update Carpet and the mode handling correspondingly.
Update the CarpetIOHDF5 checkpoint format correspondingly.
Update CarpetInterp, CarpetReduce, and CarpetRegrid2 correspondingly.
Update CarpetJacobi and CarpetMG correspondingly.
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Ignore-this: 309b4dd613f4af2b84aa5d6743fdb6b3
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Use the new tree structures to speed up determining which components own
which grid points.
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Poison coordinates and patch numbers when exchanging them between
processors.
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Add a new parameter CarpetInterp::barriers. If set, CarpetInterp
introduces MPI_Barrier statements. These statements catch calling
errors where not all processors call CarpetInterp at the same time.
darcs-hash:20080219052452-dae7b-49900543c4360e82f94fe5b5d50c66d594d77ad3.gz
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Take cctk_initial_time into account when calculating the iteration
number from cctk_time and cctk_delta_time.
darcs-hash:20051124001045-dae7b-ec93e9ca13d700c7aef29d66cb1ffe2e91b8d654.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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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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darcs-hash:20030429120225-07bb3-0f0182b6244d7914963030752b90b4992289c910.gz
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darcs-hash:20010301114010-f6438-12fb8a9ffcc80e86c0a97e37b5b0dae0dbc59b79.gz
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