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changelog.md

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Version 0.4.6

  • Fixe a bug which caused a KeyError on the usage of tuples in InCondition.

Version 0.4.5

  • Stricter typechecking by using a new Cython features which automatically transfers type annotations into type checks at compilation time.
  • New attribute of the ConfigSpace object: name
  • Added JSON as a new, experimental serialization format for configuration spaces.
  • Fixed a bug writing AND-conjunctions in the pcs writer.
  • Fixed a lot of hash functions which broke during the conversion to Cython

Version 0.4.4

  • Fixes issue #49. The Configuration object no longer iterates over inactive hyperparameters which resulted in an unintuitive API.

Version 0.4.3

  • Fix a memory leak when repeatedly sampling a large amount of configurations.

Version 0.4.2

  • Fix a bug which caused a segfault when trying to sample zero configurations.

Version 0.4.1

  • Rewrite of major functions in Cython
  • Attribute default of class Hyperparameter is renamed to default_value.
  • Package io is renamed to read_and_write.

Version 0.3.10

  • Fix issue #56. The writer for the new pcs format can now write correct conjunctions of forbidden parameters.
  • The class Configuration now raises an exception if trying to instantiate it with an illegal value for a hyperparameter

Version 0.3.9

  • Fix issue #53. Functionality for retrieving a one exchange neighborhood does no longer create illegal configurations when hyperparameters have extreme ranges.
  • New functionality __setitem__ for Configuration. Allows dictionary syntax to change the value of one hyperparameter in a configuration.

Version 0.3.8

  • Fix issue #25. Parents and children are now sorted topologically in the underlying datastructure.
  • The reader and writer for the new pcs format can now handle Constants.
  • Speed improvements for one exchange neighborhood

Version 0.3.7

  • Faster checking of valid configurations
  • Fixes a bug in sampling configurations for SatenStein
  • Fixes a bug getting neighbors from OrdinalHyperparameter
  • Fixes a bug getting neighbors from a UniformIntegerHyperparameter
  • Utility function to deactivate inactive, but specified hyperparameters
  • Fixes a bug in retrieving the one exchange neighborhood, i.e. it could not change the value of parent parameters

Version 0.3.6

  • Minor speed improvements when checking forbidden clauses

Version 0.3.5

  • Even more speed improvements for highly conditional configurations
  • Speed improvements for retrieving neighbor configurations

Version 0.3.4

  • Further improve sampling speed for highly conditional configuration spaces

Version 0.3.3

  • Improve sampling speed for highly conditional configuration spaces

Version 0.3.2

  • FIX: do not store None when calling populate_values on a Configuration
  • FIX #26: raise Exception if argument has the wrong type.
  • FIX #25: a bug related to sorting hyperparameters when reading them from a PCS files.

Version 0.3.1

  • MAINT: fix endless loop in get_one_exchange_neighborhood.

Version 0.3

  • MAINT: improve speed of get_one_exchange_neighborhood. This changes the return value of the function from a list to a generator.

Version 0.2.3

  • FIX: allow installation via python setup.py install
  • MAINT: drop python2.7 support, add python3.6 support
  • MAINT: improve performance of add_configuration_space
  • FIX: a bug in add_configuration_space which changed the names of the hyperparameters of a child configuration space
  • MAINT: new helper functions add_hyperparameters and add_conditions.

Version 0.2.2

  • ADD: two convenience functions to improve working with HPOlib2
  • MAINT: default seed of ConfigurationSpace is now None instead of 1. This makes the package behave like other scientific programming packages.
  • FIX: improve bounds checking for log-space hyperparameters
  • FIX: version information is now in a separate file.
  • MAINT: improve sampling speed by breaking the sampling loop earlier when possible

Version 0.2.1

  • FIX: bug which changed order of hyperparameters when adding new hyperparameter. This was non-deterministic due to the use of dict instead of OrderedDict.
  • FIX: compare configurations with == instead of numpy.allclose.
  • FIX: issue 2, syntax error no longer present during installation
  • FIX: json serialization of configurations and their hyperparameters can now be deserialized by json and still compare equal

Version 0.2

  • FIX: bug which made integer values have different float values in the underlying vector representation.
  • FIX: bug which could make two configuration spaces compare unequal due to the use of defaultdict
  • FEATURE: new feature add_configuration_space, which allows to add a whole configuration space into an existing configuration space
  • FEATURE: python3.5 support
  • FIX: add function get_parent() to Conjunctions (issue #1)
  • Added this Changelog.