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Function: parseParameters()

parseParameters(params: Parameters, args: string[]): Parameters

Parses command-line solver parameters and returns a Parameters object.

Parameters​

ParameterTypeDescription
paramsParametersThe default parameters. The function will overwrite the parameters with values specified on the command line.
argsstring[]The command-line arguments to parse. If not specified then process.argv.slice(2) is used.

Returns​

Parameters

Remarks​

For a command-line oriented application, it is useful to specify solver parameters using command-line arguments. This function parses command-line arguments and returns a Parameters object.

Parameter params is input/output. It may contain default setting that will be overwritten during parsing.

In case of an error (e.g. unrecognized parameter or an invalid parameter value) the function prints the error an calls process.exit(1).

If --help or -h is given then the function prints help and calls process.exit(0). The printed help starts by params.usage followed by the list of recognized parameters which looks like this:

Help:
  --help, -h                       Print this help
  --version                        Print version information

Solver path:
  --solverPath string              Path to the solver

Terminal output:
  --color Never|Auto|Always        Whether to colorize output to the terminal

Major options:
  --nbWorkers uint32               Number of threads dedicated to search
  --searchType LNS|FDS|FDSLB|SetTimes
                                   Type of search to use
  --randomSeed uint32              Random seed
  --logLevel uint32                Level of the log
  --warningLevel uint32            Level of warnings
  --logPeriod double               How often to print log messages (in seconds)
  --verifySolutions bool           When on, correctness of solutions is verified

Limits:
  --timeLimit double               Wall clock limit for execution
  --solutionLimit uint64           Stop the search after the given number of solutions

...

WorkerParameters can be specified for individual workers using --workerN. prefix. For example, --worker0.searchType FDS sets the search type for the first worker only.

See​