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SPEA2 configuration

Configure spea2 through vamos.algorithms.SPEA2Config. This page is the parameter reference, not a tutorial about the algorithm.

Stable public API. The 1.x compatibility policy defines the supported surface; import from the public facade shown below.

from vamos.algorithms import SPEA2Config

Configuration overview · Algorithm contracts · Optimization

SPEA2Config dataclass

Bases: _SerializableConfig

default(pop_size=100, n_var=None) classmethod

Create a default SPEA2 configuration.

Builder methods

Use SPEA2Config.builder() to obtain the fluent builder; do not import the private builder class directly. The methods below are generated from that returned object, so their signatures are not maintained as a second manual parameter table.

Bases: _ConfigBuilderState, _PopSizeBuilder, _CrossoverBuilder, _MutationBuilder, _SelectionBuilder, _RepairBuilder, _InitializerBuilder, _MutationProbFactorBuilder, _ConstraintModeBuilder, _TrackGenealogyBuilder, _ResultArchiveBuilder

Declarative configuration holder for SPEA2 settings.

Examples: cfg = SPEA2Config.default() cfg = SPEA2Config.builder().pop_size(100).archive_size(100).build()

external_archive(capacity=None, **kwargs)

Configure an external archive for result storage.

Note

This is separate from archive_size, which controls the internal SPEA2 archive.

Parameters:

Name Type Description Default
capacity int | None

Maximum number of solutions. None means unbounded.

None
**kwargs Any

Forwarded to :class:ExternalArchiveConfig.

{}