Re: [Linuxsampler-devel] Supporting various sample library formats

[Juan L. <co...@re...>]

On Mon, 4 Nov 2002 22:10:21 +0000
Steve Harris <S.W...@ec...> wrote:

> On Mon, Nov 04, 2002 at 10:15:56 +0100, Matthias Weiss wrote:
> > > Regarding JACK we will probably need to use the in-process model (which
> > > is actually not used much AFAIK)
> > >  in order to achieve latencies at par with direct output so this needs
> > > further research.
> > 
> > Well this means we have to provide GUI implementations for every graphic
> > toolkit that is used by the available sequencers.
> > If it's right that processes and threads are handled very similar in the
> > Linux kernel there should be not alot of a performance difference
> > between in-process and out-of-process model, anyone knows more about
> > that?
> 
> One idea was that linuxsampler UI's would communicate with the main engine
> over a (non X) socket of some kind.
> 
> The problem with out-of-context is the the cache has to be cleared and
> refilled (well the part touched, and I imagine a big sample set would use
> a lot of cache) and the context switch time is small, but non-zero. As you
> pointied out we dont have very long to write out 64 samples for every
> active sample of every active note.
> 

Sorry, I didnt get the parent mail to this, could you please explain me where
does this out-of-context issue comes from?

thanks!

Juan Linietsky