ref_batch: /gemini/space/zhaozy/guzhenyu/UAVFlow/UAV_Flow_base/exps/jsflow-experiment/samples/VIRTUAL_imagenet256_labeled.npz
sample_batch: /gemini/space/zhaozy/guzhenyu/UAVFlow/UAV_Flow_base/exps/jsflow-experiment/samples/REG/my_samples.npz
FID(custom): -13852.86724942128