why did Ubuntu turn off kernel preemption in Edgy?

Jan Claeys lists at janc.be
Wed Nov 29 20:29:22 GMT 2006

Op dinsdag 28-11-2006 om 21:50 uur [tijdzone +0000], schreef Matthew
> But this is all pretty irrelevant when it comes to audio. Both of these 
> concepts (apparent motion and refresh rate) are related to visual 
> processing. There is no concept of "response time" that can be applied 
> to every means of sensory input - saying that humans can perceive 
> flicker even though the difference between the two updates is around 
> 17ms, and therefore that humans should be able to perceive 17ms latency 
> in audio is based on a false assumption. The two things have absolutely 
> nothing to do with each other. The brain is entirely capable of 
> processing sound at up to around 20KHz - that doesn't mean that we need 
> CRT refresh rates to be that high in order to avoid flicker. 

Actually, what I was trying to say is that the human brain is fast
enough to detect such short differences.   ;-)

(Hearing frequencies is something special anyway, as it also involves a
half-mechanic process with moving parts inside your ear etc.)

Jan Claeys

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