[PD] PD and latency on kernel

Christian Klippel ck at mamalala.de
Sat Nov 19 07:59:40 CET 2005

hello iohannes and all,

Am Samstag 19 November 2005 00:13 schrieb IOhannes m zmoelnig:
> please note, that the word "latency" is nowhere mentioned. it has
> nothing to do with "realtime". (you can have a hard realtime system that
> has a delay of 1 week).
> so pd is by design a realtime system.

ouch! that comment about hard realtime is plain wrong.
hard realtime is used in systems where you need minimal delay, like engine 
controls, medical systems, etc.

imagine your life support systems would use hard realtime that can delay up to 
a week .....

the most important aspect of hard realtime systems (like rtlinux) is that they 
have the lowest latency possible!

also, see here: http://en.wikipedia.org/wiki/Real-time_computing



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