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

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
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