Abstract:To address three types of defects—premature convergence, slow convergence and poor optimization accuracy—of swarm intelligence optimization algorithms in solving the Generalized Flexible Parallel Test Scheduling (GFPTS) problem, a Feature Scoring and Cloud Model-based scheduling optimization strategy (FSCB) is proposed. FSCB achieves adaptive population stratification through a problem-oriented feature scoring mechanism. By integrating critical operation extraction with differentiated cloud models, it constructs 14 individual update modes to enhance population diversity. The strategy also features seamless embedding and polymorphic output capabilities. On five self-built test cases corresponding to different engineering scenarios, three representative swarm intelligence algorithms with distinct advantages and disadvantages—Sparrow Search Algorithm (SSA), Bald Eagle Search (BES), and Hippopotamus Optimization (HO)—are selected as carriers for validating FSCB. Experimental results show that the success rate of the FSCB strategy ranges from 80% to 90%, and its comprehensive optimization efficacy reaches 17%–44%. After embedding FSCB, the probability of premature convergence of the carrier algorithms decreases by an average of 27%, the probability of slow convergence decreases by an average of 8%, and the solution accuracy improves by 24%–55%. The FSCB strategy provides an effective enhancement scheme for medium-scale complex combinatorial scheduling problems.