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

[bearophile]

David:

> Well the intersting question is, why is it slower? I checked it 
> twice, the data passed to the GPU is 100% the same, no 
> difference, the only difference is the stored format on the CPU 
> (and that's just a matter of casting).

It's not easy to answer similar general questions. Why don't you 
list the assembly of the two versions and compare?

Bye,
bearophile