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On Fri, Aug 7, 2015 at 12:59 PM, Coda Highland <chighland@gmail.com> wrote:
> Unfortunately, the cores that hold the affected region in cache are
> your own other threads -- in other words, the very things you're most
> concerned about the performance of.


exactly.  that's why it's so important to keep shared memory at a
minimum, and only update it when you've accumulated a significant
chunk of work.  IOW: please, don't share the Lua VM!

-- 
Javier