[PlanetCCRMA] Configuring 2.6.11-0.3.rdt.rhfc2.ccrma for 0 xruns...

Shayne O'Connor forums@machinehasnoagenda.com
Wed Apr 13 16:34:01 2005


Mark Knecht wrote:

>On 4/13/05, Aaron Trumm <aaron@nquit.com> wrote:
>  
>
>>>   One thing I did notice was that when doing copies from one drive to
>>>another the machine was bumping up against 100% CPU. It typically was
>>>running at 70% CPU with spikes going higher. Possibly this is normal
>>>CPU usage as I'm sure Linux wants to copy the files as fast as it can.
>>>This may not be an issue during recording as Ardour will limit how
>>>much disk usage it requires. None the less I don't want xruns.
>>>      
>>>
>>Do some real world type tests - get 16 or 24 or 32 tracks of audio playing
>>back for three minutes, recording back in to 2 channels of ardour - let's
>>see what happens there ...
>>
>>    
>>
>
>Will do - Probably this afternoon.
>
>Currently I'm setting Ardour up to use all three 1394 drives. That's
>takign far longer than I hoped as I have to copy GigBytes of data
>around and fix up partitions to get it to all mount and make sense. On
>the good side when it's done I've calculated I'll have over 40MB/S
>drive throughput. That's about double what I've had in the past.
>
>After I wrote the earlier messages I tried running at 64/2 on this
>machine. It jsut won't do it. xruns even with non-threaded operation
>on the hdsp.
>  
>

mark - i'm glad i'm facing FC3 and the edge with not much else but my SB
Live and a single hard-drive :)

hope you get there!

shayne