ResearchBenchmarksDistributional Approximation on Halfnormal distributionDistributional Approximation on Halfnormal distributionFollow0.0113KS StatisticE-QRGMM-0.0165160.1712420.3590.546758Jan 27, 2026Evaluation resultsMethodMethodLinksKS StatisticWasserstein DistanceE-QRGMMTraining Time (s)=0.0879Training Time (s)=0.08792026.010.01130.0148RectFlowTraining Time (s)=18.428Training Time (s)=18.4282026.010.08560.1313DDIMTraining Time (s)=18.66Training Time (s)=18.662026.010.09530.1623GANTraining Time (s)=12.99Training Time (s)=12.992026.010.70671.8117