Messages in this thread | | | Subject | Re: [patch] voluntary-preempt-2.6.8-rc3-O4 | From | Alan Cox <> | Date | Tue, 10 Aug 2004 12:33:12 +0100 |
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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 ?
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