Wrapper for the VTMOP genfuncs drivers, for solving multiobjective optimization problems with arbitrary number of objectives.
- vtmop.vtmop_gen(H, persis_info, gen_specs, _)¶
This generator function solves multiobjective optimization problems with d design variables (subject to simple bound constraints) and p objectives using VTMOP.
This requires that VTMOP be installed and in the system PATH. To do so, download VTMOP (contact email@example.com), and use the command:
$ make genfuncs
to build the generator functions. Next, run the command:
$ export PATH=$PATH:`pwd`
from the VTMOP source/build directory to add VTMOP to your system PATH.
This generator alternates between generating large batches of size
gen_specs['search_batch_size']to explore design regions, and small batches of size
gen_specs['opt_batch_size']to fill in gaps on the Pareto front. An initial search size can also be specified by using
gen_specs['lb']must specify upper and lower bound constraints on each design variable. The number of design variables is inferred from
gen_specs['num_obj']specifies the number of objectives. The problem dimension is inferred based on the length of the
gen_specs['restart']specifies whether to reinitialize VTMOP.
Several unformatted binary files (
vtmop.chkpt) will be generated in the calling directory to pass information between libEnsemble and VTMOP.