Could I ask how long does it take for the example data? I saw from the paper, for 10000 cells, scDart spends about 2 min using GPU. But I think I spent more than 1h <img width="1428" alt="Screen Shot 2023-12-05 at 10 45 50 am" src="https://github.com/PeterZZQ/scDART/assets/40068295/b9c8cd47-9c33-4e59-a10f-b9e33d405679">