Aahhhh, someone who actually understands matrices! Cool! :-)
PS: we are developing UA currently in the slowest possible technical environment - nodeJS - in order to blend-in well with existing APIs. For nodeJS, which I like a lot btw, is not performing "really well" on IO due to its asynchronous and non-blocking nature. But well, if we can make it work here, we can make it work..... (fill out the blanks).