Your tests show only half the truth.
For array operations it is certainly true, that you are fastest, when you find some of Labview's own vi's that deal with arrays as an object.
As soon as you have to index arrays inside a labview loop, it gets terribly slow and you end up much faster doing the indexing and processing inside a formula node.
And if you have a C Compiler at hand, even think of doing numeric processing in a CIN.
Gabi
7.1 -- 2013
CLA