On 9/14/2011 1:56, Invisible wrote:
> It's not about task switches, it's about two tasks running on different
> cores trying to communicate through memory. If the cores didn't
> automatically synchronise their caches, that wouldn't work at all.

You're missing my point. If it doesn't work with two cores, it doesn't work 
with one core either.

If it's automatic, why do x86 CPUs have memory fence instructions?

-- 
Darren New, San Diego CA, USA (PST)
   How come I never get only one kudo?

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