Regarding modulation of FX-amount in Diva: We have deliberately left out any ModMatrix and Sequencers. That's because we want to see the implications of Multicore support first. Straight out, while a ModMatrix costs nothing in single core usage, it involves a fair amount of extra processing in multicore usage, because parameter structures could not be shared across voice boundaries anymore. For that reason I want to keep the topic of ModMatrices and thus FX modulation open till after we either see a very dramatic performance boost, or go/no go on multicore support.
Cheers,
