Re: [LAD] a *simple* ring buffer, comments pls?

From: Olivier Guilyardi <list@email-addr-hidden>
Date: Mon Jul 11 2011 - 22:19:34 EEST

On 07/11/2011 03:45 AM, Sean Bolton wrote:
> On Jul 10, 2011, at 6:34 PM, Sean Bolton wrote:
>> On Jul 10, 2011, at 2:41 PM, Paul Davis wrote:
>>> do we have SMP systems these days that do not guarantee cache coherency?
>>
>> Yes. PowerPC and Alpha do not. UltraSPARC v9 and ARMv6/ARM11 and later
>> have modes where they do not (and linux on a SPARC v9 runs in that
>> mode.)
>
> And how about the iPad 2?:
> http://wanderingcoder.net/2011/04/01/arm-memory-ordering/

Good catch... Multi-core ARM devices are actually arriving massively. With
Android, there's the Motorola Atrix, the Samsung Galaxy S II, etc..

I think it wouldn't hurt to run the ringbuffer tests again..

--
  Olivier
_______________________________________________
Linux-audio-dev mailing list
Linux-audio-dev@email-addr-hidden
http://lists.linuxaudio.org/listinfo/linux-audio-dev
Received on Tue Jul 12 00:15:03 2011

This archive was generated by hypermail 2.1.8 : Tue Jul 12 2011 - 00:15:03 EEST