ResearchBenchmarksPosterior Covariance Estimation on Synthetic OOD dPosterior Covariance Estimation on Synthetic OOD dFollow0.131Covariance Frobenius ErrorNUTS0.120880.189190.25750.32581May 26, 2026Evaluation resultsMethodMethodLinksCovariance Frobenius ErrorWall-clock Time (s)NUTS2026.050.131308AFINCorrection=NoneCorrection=None2026.050.2340.02AFINCorrection=SNISCorrection=SNIS2026.050.3230.24FRVI2026.050.38427