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CHANGELOG

Unreleased

Fixed

Changed

  • If logfiles are not found when parsing then a FileNotFoundError is raised

Removed

3.1.0 - 2024-07-25

Changed

  • Parsing of heuristic solutions found prior to nodelog (but not found by NoRel) (#51)
  • slightly reorganized parsers
  • better parsing of early solutions (pre-tree and norel)

3.0.0 - 2023-10-11

Changed

  • rename project to gurobi-logtools for consistency with other Gurobi projects

Added

  • add Python 3.11 tests

2.2.0 - 2023-08-25

Added

  • Command line option to copy/rename log files according to parameter settings (#34)

2.1.0 - 2023-04-27

Added

  • Parsing of deterministic work metric in nodelog, barrier, and simplex (#27)
  • Add a ChangedParams summary column with parameters as a dictionary (#21)

Fixed

  • Handle pandas warning related to groupby(); fix join issue in pandas2 (#29,#33)

2.0.0 - 2022-04-04

Changed

  • The code went through a refactoring while it remains backward compatible.
  • Seed and Time columns in the DataFrame are reported as integer and datetime types, respectively
  • The get_dataframe(logfiles, timelines=False, prettyparams=False) API has a new signature
  • A new API parse(patterns) is added that returns a ParseResult() object with summary() and progress(section) methods (see README.md for an example usage)

1.3.2 - 2022-01-12

Fixed

  • fix error when log contains cuts with the name containing a hyphen

1.3.1 - 2021-Dec-14

Fixed

  • fix error when log does not have a tree section

1.3.0 - 2021-Dec-03

Changed

  • refactor to make code more modular

Fixed

  • avoid coercing NewSolution to numeric type

1.2.2 - 2021-Nov-23

Added

  • update default parameter list for v9.5.0

1.2.1 - 2021-Nov-18

Added

  • add counter to LogFilePath to better distinguish merged logs

1.2.0 - 2021-Nov-09

Added

  • new parameter prettynames=True to replace parameter values with meaningful descriptions

Fixed

  • fix parsing of MIP Start information

1.1.0 - 2021-Oct-26

Added

  • add missing range attributes for quadratic constraints

1.0.0 - 2021-Oct-06

Added

  • parse output from NoRel heuristic into separate DataFrame (included in timelines dictionary)

Changed

  • new output format for timelines:
    • second return value (when using option timelines=True) is now a dictionary including the individual timeline DataFrames, that is rootlp, nodelog, and norel
    • see README for updated usage information

0.3.2 - 2021-Aug-25

Added

  • support Compute Server log files
  • add Cores count

0.3.1 - 2021-Aug-23

  • initial public release