lkml.org 
[lkml]   [2004]   [Aug]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [patch] voluntary-preempt-2.6.8-rc3-O4
From
Date
On Maw, 2004-08-10 at 10:22, Ingo Molnar wrote:
> another (more remote) possibility is that the timestamp counter gets
> somehow messed up during MMX ops. Does the ALSA detector use the
> timestamp counter, or does it only use jiffies? (if it only used jiffies
> that would give us some robustness since it's an independent
> time-source.) I suspect 'music indeed skips' isnt a good enough test for
> this case, given that jackd starts up ...

The standard VIA EPIA boards are 133Mhz SDRAM or 266Mhz DDR, which
is shared with video and the graphics engine. Could the MMX copier
simply be eating all the remaining memory bandwidth so that its
in fact memory not latency ?

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:05    [W:0.456 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site