Subj : Re: Memory visibility and MS Interlocked instructions
To   : comp.programming.threads
From : Alexander Terekhov
Date : Fri Sep 02 2005 12:21 pm


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 -----------------------+

> But I guess that's assuming Intel's concept of PC is the same :)  I
> don't suppose there's enough solid documentation to clear up these
> issues?

Drop a note to Otellini. ;-)

regards,
alexander.

.