[PD] freeverb and denormals

[Ivica Ico Bukvic]

> > It appears that current iteration of freeverb~ is susceptible to
denormals
> > bug. Namely, feeding silence after sound hogs cpu (I chuckled by
> reading
> > Pd's CPU footprint which was in excess of 400%). Adding a tiniest
> amount of
> > DC bias inside Pd solves this but I wonder shouldn't this be simply
added
> to
> > the freeverb c code instead?
> 
> On which CPUs does this problem occur? It seems both annoying and a
> good
> excuse to slow down programmes on CPUs that don't have the problem
> (?).

This is on Intel Atom 1.6GHz (netbook). Freeverb~ source is from the
pd-extended branch (I believe), although it could be from the 0.41.4 rather
than 0.42.5 (not sure if that makes any difference).

Ico