this is the the final thing that is being optimized now I'm of course hiding a whole bunch of things under the rug here this is not a pretty optimization as you might imagine it is very complex complicated to optimize this thing and and and there is a lot and a lot of work on trying to make it simpler so far it's still it's it's it's it's more art than a science how do you optimize this thing but my graduate students are really amazing at doing this so so we were able to get this working and so now we can we