Subj : Re: Memory visibility and MS Interlocked instructions
To   : comp.programming.threads
From : Sean Kelly
Date : Fri Sep 02 2005 09:01 am

Alexander Terekhov wrote:
> Sean Kelly wrote:
> >
> > Alexander Terekhov wrote:
> > >
> > > Memory locations may be replicated (in caches) and the guide
> > > (mostly toilet paper) doesn't say that "the system guarantees
> > > atomic propagation of modifications" (or something like that).
> >
> > Things are becoming more clear as I catch up on the papers that have
> > been referenced.  However,
> >
> > http://research.compaq.com/wrl/people/kourosh/papers/1990-rc-isca.pdf
> >
> > seems to imply that such atomic propogation is a part of the PC model.
>                            ^
>                            |
> non -----------------------+

Oops, you're right.  It allows for a load to occur while a store is
processing.  My mistake.


Sean

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