Module: Legion::Extensions::MindGrowth::Helpers::FitnessEvaluator

Extended by:
FitnessEvaluator
Included in:
FitnessEvaluator
Defined in:
lib/legion/extensions/mind_growth/helpers/fitness_evaluator.rb

Instance Method Summary collapse

Instance Method Details

#fitness(extension) ⇒ Object 



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# File 'lib/legion/extensions/mind_growth/helpers/fitness_evaluator.rb', line 10

def fitness(extension)
  w             = Helpers::Constants::FITNESS_WEIGHTS
  invocation    = normalize_invocations(extension[:invocation_count] || 0)
  impact        = extension[:impact_score] || 0.5
  health        = extension[:health_score] || 1.0
  error_rate    = extension[:error_rate] || 0.0
  latency       = normalize_latency(extension[:avg_latency_ms] || 0)

  score = (w[:invocation_rate] * invocation) +
          (w[:impact_score] * impact) +
          (w[:health] * health) +
          (w[:error_penalty] * error_rate) +
          (w[:latency_penalty] * latency)
  score.clamp(0.0, 1.0).round(3)
end

#improvement_candidates(extensions) ⇒ Object 



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# File 'lib/legion/extensions/mind_growth/helpers/fitness_evaluator.rb', line 34

def improvement_candidates(extensions)
  extensions.select do |e|
    f = fitness(e)
    f >= Helpers::Constants::PRUNE_THRESHOLD && f < Helpers::Constants::IMPROVEMENT_THRESHOLD
  end
end

#prune_candidates(extensions) ⇒ Object 



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# File 'lib/legion/extensions/mind_growth/helpers/fitness_evaluator.rb', line 30

def prune_candidates(extensions)
  extensions.select { |e| fitness(e) < Helpers::Constants::PRUNE_THRESHOLD }
end

#rank(extensions) ⇒ Object 



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# File 'lib/legion/extensions/mind_growth/helpers/fitness_evaluator.rb', line 26

def rank(extensions)
  extensions.map { |e| e.merge(fitness: fitness(e)) }.sort_by { |e| -e[:fitness] }
end