Prior primal-only warm-starts for interior-point methods in AC-OPF fail against the solver's default midpoint baseline, while a primal-dual predictor reduces iterations by 76%.
Combining all three (best_combo, 500 epochs) did not push below 5.4, indicating an architectural ceiling for this model family on case118
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WARP: A Benchmark for Primal-Dual Warm-Starting of Interior-Point Solvers
Prior primal-only warm-starts for interior-point methods in AC-OPF fail against the solver's default midpoint baseline, while a primal-dual predictor reduces iterations by 76%.