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Re: Problem with G4 running OS 8/9
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Re: Problem with G4 running OS 8/9


  • Subject: Re: Problem with G4 running OS 8/9
  • From: Jeff Moore <email@hidden>
  • Date: Wed, 03 Apr 2002 13:51:22 -0800

on 4/3/02 11:53 AM, Roni Music <email@hidden> wrote:

> Is there any way to change the interrupt level for the USB mouse?

You could always patch the appropriate interrupt handlers. This route is
fraught with peril, so do it with caution. Of course, if the audio device is
a USB device, then you have other issues...

> Or any other way to change things to avoid the "jerky" mouse behavior?

Probably not. You are seeing the best a system like 9 can do under the
circumstances. This is definitely one of the areas that well implemented
pre-emptive multi-tasking comes in handy. It provides much better over all
balance across the system.

That said, for a real time processing app, you really want to use CoreAudio
on X. The latencies you can achieve on throughput are orders of magnitude
better.

--

Jeff Moore
Core Audio
Apple
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References: 
 >Problem with G4 running OS 8/9 (From: "Roni Music" <email@hidden>)

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