float[] → Vertex[] – decreases performance by 1000%

[David]

> It looks like a syscall/opengl issue. You somehow managed to hit a dark
> corner of GL driver. It's either a fallback to software (partial) or
> some extra translation layer.
> I once had a cool table that showed which GL calls  are direct to
> hardware and which are not for various nvidia cards.
>
> Now the trick is to get an idea why. The best idea to debug driver
> related stuff is to test on some other computer (like different version
> of OS, video card etc.).

Worst case scenario ... driver issue.


> Can't quite decipher output but I find it strange that it mentions
> _d_invariant. You'd better compiler with -release if you care for speed.

I don't care about speed much, but 1000% less performance is just too bad.