LLM-Driven Architecture Synthesis Evolution
How syntactic validity, structural novelty, and diversity evolve under iterative refinement
22
Refinement Cycles
3
Evolution Phases
7-18%
Diversity Loss
Cyclic
Best Schedule
Key Findings
Three-phase evolution: exploration (1-7), transition (8-15), specialization (16-22)
Validity and novelty are inversely correlated throughout refinement
Diversity decreases by 7-18% across schedules
Cyclic mutation schedules preserve 94% of diversity while maintaining high validity
Evolution Trajectory
Metric:
All Metrics
Validity
Novelty
Diversity
Trade-off Analysis
Phase Transitions
Diversity Preservation