bbotk 1.5.0
- compatibility: irace 4.1.0
- compatibility: rush 0.2.0
- refactor: Replace
Codomain$maximization_to_minimization
with $direction field.
- feat: Save
ArchiveAsync to a data.table
with ArchiveAsyncFrozen.
bbotk 1.4.1
- compatibility: irace 4.0.0
bbotk 1.4.0
- feat: Add
OptimizerBatchChain that runs multiple
optimizers sequentially.
- refactor: Only pass
extra to
$assign_result().
bbotk 1.3.0
- feat: Add new stage
on_result_begin to
CallbackAsyncTuning and
CallbackBatchTuning.
- refactor: Rename stage
on_result to
on_result_end in CallbackAsyncTuning and
CallbackBatchTuning.
- docs: Extend the
CallbackAsyncTuning and
CallbackBatchTuning documentation.
bbotk 1.2.0
- feat:
ContextBatch and ContextAsync have a
result_extra field now to access additional results passed
to the instance.
- refactor: Additional information are passed with
extra
to OptimInstance$assign_result().
bbotk 1.1.1
- feat: The optimizers passes additional information to
OptimInstance$assign_result() method.
bbotk 1.1.0
- docs: Move vignette to mlr3book.
- feat: Add hypervolume stagnation terminator
trm("stagnation_hypervolume").
- feat Add local search optimizer
opt("local_search").
- refactor: Remove unused fields from callbacks.
- fix: Add
"on_optimization_end_batch" stage to
CallbackBatch.
bbotk 1.0.1
- refactor: extra columns in results.
bbotk 1.0.0
- feat: Introduce asynchronous optimization with the
OptimizerAsync and OptimInstanceAsync
classes.
- BREAKING CHANGE: The
Optimizer class is
OptimizerBatch now.
- BREAKING CHANGE: The
OptimInstance class and subclasses
are OptimInstanceBatch* now.
- BREAKING CHANGE: The
CallbackOptimization class is
CallbackBatch now.
- BREAKING CHANGE: The
ContextOptimization class is
ContextBatch now.
- BREAKING CHANGE: Remove
ArchiveBest class and
keep_evals parameter from OptimInstance.
bbotk 0.8.0
- fix:
OptimizerIrace failed with logical parameters and
dependencies.
- refactor: Optimize the runtime of
archive$best() method
and add ties method.
- compatibility: Work with new paradox version 1.0.0
bbotk 0.7.3
- fix:
OptimInstance$print() errored when the search
space was empty.
bbotk 0.7.2
- fix: Standalone
Tuner and FSelector were
rejected by ContextBatch.
bbotk 0.7.1
- feat: Data unrelated to a specific point evaluation can be written
to
Archive$data_extra.
bbotk 0.7.0
- fix:
Terminator$format(with_params = TRUE) printed an
empty list when no parameter was set.
- refactor:
OptimizerIrace automatically added the
instances parameter to Objective$constants.
From now on, the instances parameter can be also set
manually.
- BREAKING CHANGE:
branin(xs) is now
branin(x1, x2, noise) and
branin_wu(x1, x2, fidelity).
- feat: Add
ObjectiveRFunMany that can evaluate a list of
configurations with a user supplied function.
- fix: If all configurations were missing a parameter,
ObjectiveRFunDt$eval_many() did not create a column with
NA for the missing parameter.
- refactor: The default of
digits in
OptimizerIrace is 15 now to avoid rounding errors.
- refactor: The bounds of double parameters were processed with only 4
decimal places in
OptimizerIrace. By default, the bounds of
double parameters are represented with 15 decimal places now. The
digits parameter of OptimizerIrace also
changes number of decimal places of the bounds now.
bbotk 0.6.0
- fix:
OptimizerIrace did not work with parameters with
multiple dependencies.
- feat: Add new callback that backups the archive to disk to
mlr_callbacks.
- feat: Create custom callbacks with the
callback_batch()
function.
bbotk 0.5.4
- feat: Add
OptimizerFocusSearch that performs a focusing
random search.
bbotk 0.5.3
- feat:
Optimizer and Terminator objects
have the field $id now.
bbotk 0.5.2
- refactor: The
$print() method of
OptimInstance omits unnecessary columns now.
- fix: The
$clear() method of OptimInstance
raised an error.
- fix: The
$clear() method of Archive missed
to reset the $start_time field.
- feat:
Optimizer and Terminator objects
have the optional field $label now.
- feat:
as.data.table() functions for objects of class
Dictionary have been extended with additional columns.
- feat: Add a
as.data.table.DictionaryTerminator()
function.
bbotk 0.5.1
- fix: The return of the
$.status() method of
TerminatorRunTime and TerminatorClockTime was
not in a consistent unit. The return is in seconds from now on.
- fix: The number of evaluations was recorded as 0 in the log messages
when the search space was empty.
- feat: Add a
as.data.table.DictionaryOptimizer()
function.
- feat: New
$help() method which opens the manual page of
an Optimizer.
bbotk 0.5.0
- feat: Add
$nds_selection() method to
Archive.
- feat: New
Codomain class that allows extra
parameters.
- refactor: Objective values were automatically named. From now on,
only unnamed returns of
ObjectiveRFun are named.
- fix:
OptimInstance, Archive and
Objective objects were not cloned properly.
- refactor: The fields
$param_classes,
$properties and $packages of
Optimizer objects are read-only now.
- feat: The
branin() function is exported now.
bbotk 0.4.0
- feat: The search space and domain can now be empty.
- feat: The budget of
TerminatorEvals can now be changed
depending on the dimension of the search space with the parameter
k.
- feat: Add
bb_optimize() function.
- feat: Add
OptimizerIrace which calls
irace::irace from the irace package.
bbotk 0.3.2
- refactor: Internal changes.
bbotk 0.3.1
- feat: Add
$clear() method to OptimInstance
to reset the instance.
- refactor: Prettier
$print() methods.
- feat: Assertions on overlapping and reserved names in domain and
codomain.
bbotk 0.3.0
- feat: The check of points and results can now be disables with the
check_values flag in OptimInstance,
OptimInstanceSingleCrit,
OptimInstanceMultiCrit, ObjectiveRFun and
ObjectiveRFunDt.
- refactor: The
data.table within the
Archive can now be accessed with $data.
- refactor: The
m parameter of
Archive$best() is renamed to batch.
- feat: New
ArchiveBest class which only stores best
scoring evaluation instead of all evaluations
- refactor: The runtime is reduced when
ObjectiveRFunDt
is used with a domain without trafo.
- fix: Add support for
ParamUty in
OptimizerDesignPoints.
- feat: The start points for
OptimizerCmaes and
OptimizerNloptr can now be randomly created or from center
of the search space.
- feat: The
$optimize() method supports progress bars via
the package progressr.
bbotk 0.2.2
- refactor: Remove dependency on orphaned package
bibtex.
- feat: Add
OptimizerCmaes which calls
adagio::pureCMAES from the adagio
package.
bbotk 0.2.1
- refactor: Compact in-memory representation of R6 objects to save
space when saving mlr3 objects via saveRDS(), serialize() etc.
- refactor: Warning and error messages when upstream package of
Optimizer is not installed.
bbotk 0.2
- First version of the Black-Box Optimization Toolkit