Why is it slow when training?

[xinnan369]

I applied the MambaVisionBlock to object detection,the training speed is particularly slow,about 4.3s/it，if i use yolo or rt-detr，the speed is about 2it/s，The difference in speed is 8 times.But the number of parameters is about the same，about 35% more computation.Have you ever been in the same situation?