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

[Sean Bolton]

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/

-Sean