[LAD] Faster context switch
Michael Ost
most at museresearch.com
Tue Nov 2 18:02:27 UTC 2010
fons at kokkinizita.net wrote:
> On Tue, Nov 02, 2010 at 10:17:30AM -0700, Michael Ost wrote:
>
>> Ah, so no magic bullet then! %) This makes sense. Thanks for your response.
>
> One thing to look at is if you really need all those context switches.
> That would be the case only if all the VST plugins are in series and
> there is some linux code between each one and the next.
>
> One way to organise the processing on both sides is to continue
> in the same process until it depends on results from the other.
> This will reduce the number of context switches in almost all
> cases.
Right, that's an option.
> And 32 frames is quite small - there may be reasons for that
> but in many cases you can use larger period sizes.
Low latency is part of the "spec battle" that our product is engaged in.
I think I need to look for an option that doesn't use IPC during processing.
Thanks,
- Michael Ost
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