ResearchBenchmarksGenerative Modeling on ImageNet 64x64Generative Modeling on ImageNet 64x64Follow10,875Avg Training Time (s)expm_flow_opt159,610.7218,144.6126,678.535,212.39Dec 23, 2025Evaluation resultsMethodMethodLinksAvg Training Time (s)Speed-upexpm_flow_opt152025.1210,8753.906expm_flow2025.1242,482—