ResearchBenchmarksPDE Solving on Irregular DarcyFollow0.736Relative L2 ErrorHPM0.496242.114623.7335.35138Apr 4, 2026Evaluation ResultsMethodMethodLinksRelative L2 ErrorHPM2026.040.736LRSA2026.040.756NORM2026.041.05DeepONet2026.041.36GraphSAGE2026.046.73