[Bukhmanizer]

I'm the exact same way, my job is really heavy in linear algebra, so it sticks more easily for me.

Usually I go through the code and ask "what am I trying to do here" and "can I do this a better way". A lot of the aforementioned speedups have come because the previous developer was obviously trying to do something, like create a linear projector, but were following some sort of math formula, so made a bunch of extraneous matrices that were huge.

It's a simple fix, but adds up when you're dealing with massive datasets.