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remove duplicates from initial population and ajust evolution proccess #47

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Merged
Gromwud merged 2 commits into from
Sep 25, 2025
Merged

remove duplicates from initial population and ajust evolution proccess #47

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6a42f26
moeadd_specific.py bugfix
Gromwud Sep 23, 2025
d0122d8
Merge remote-tracking branch 'origin/main'
Gromwud Sep 23, 2025
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24 changes: 10 additions & 14 deletions epde/operators/multiobjective/moeadd_specific.py
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Original file line number Diff line number Diff line change
Expand Up @@ -353,17 +353,14 @@ def apply(self, objective: ParetoLevels, arguments: dict):
attempt_limit = self.params['attempt_limit']
temp_offspring = self.suboperators['chromosome_mutation'].apply(objective=offspring,
arguments=subop_args['chromosome_mutation'])
replaced = False
replaced = 0
while True:
self.suboperators['right_part_selector'].apply(objective=temp_offspring,
arguments=subop_args['right_part_selector'])
self.suboperators['chromosome_fitness'].apply(objective=temp_offspring,
arguments=subop_args['chromosome_fitness'])

if (all([not np.allclose(temp_offspring.obj_fun, solution.obj_fun) for solution in objective.population])
and tuple(temp_offspring.obj_fun) not in objective.history):
# and all([not np.allclose(temp_offspring.obj_fun, obj_fun) for obj_fun in objective.history]):

if tuple(temp_offspring.obj_fun) not in objective.history:
self.suboperators['pareto_level_updater'].apply(objective=(temp_offspring, objective),
arguments=subop_args['pareto_level_updater'])
objective.history.add(tuple(temp_offspring.obj_fun))
Expand All @@ -377,6 +374,7 @@ def apply(self, objective: ParetoLevels, arguments: dict):
temp_offspring.create()
replaced += 1
attempt = 1

self.suboperators['chromosome_mutation'].apply(objective=temp_offspring,
arguments=subop_args['chromosome_mutation'])
attempt += 1
Expand Down Expand Up @@ -422,18 +420,16 @@ def apply(self, objective : ParetoLevels, arguments : dict):

if len(objective.population) == 0:
for idx, candidate in enumerate(objective.unplaced_candidates):
# while True:
# temp_candidate = copy.deepcopy(candidate)
self.suboperators['right_part_selector'].apply(objective = candidate,
arguments = subop_args['right_part_selector'])
# print('Hah, got ya!')
# if all([temp_candidate != solution for solution in objective.unplaced_candidates[:idx] +
# objective.unplaced_candidates[idx+1:]]):
# objective.unplaced_candidates[idx] = temp_candidate
# break

arguments = subop_args['right_part_selector'])
self.suboperators['chromosome_fitness'].apply(objective = objective.unplaced_candidates[idx],
arguments = subop_args['chromosome_fitness'])
while tuple(candidate.obj_fun) in objective.history:
candidate.create()
self.suboperators['right_part_selector'].apply(objective=candidate,
arguments=subop_args['right_part_selector'])
self.suboperators['chromosome_fitness'].apply(objective=objective.unplaced_candidates[idx],
arguments=subop_args['chromosome_fitness'])
objective.history.add(tuple(candidate.obj_fun))
objective.initial_placing()
return objective
Expand Down