LLM-guided evolutionary search for algorithms: keeping 'weaker' candidates lifts solution quality 0.81→0.99

bravo_abad · x · 2026-10-05

Gong et al. use LLM-guided evolutionary search to design algorithms for routing, scheduling and resource-allocation problems. Candidates survive selection based on what they add to the existing set — a lower-scoring algorithm can cover weaknesses others miss. Expanding from one algorithm to ten raised solution quality from 0.81 to 0.99 (1 = best-known reference), running candidates on separate CPU cores and keeping the best valid answer, at the cost of more compute.

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