[Info-vax] Poulson at hot-chips 2011

[John Wallace]

On Aug 23, 6:36 pm, JF Mezei <jfmezei.spam... at vaxination.ca> wrote:
> IanMiller wrote:
> > there is this
>
> >http://communities.intel.com/community/openportit/server/blog/2011/08...
>
> I am puzzled by the "instruction replay".  They say it is to try
> instructions again if an error is detected.
>
> Does this mean that there is a significant enough number of errors in
> cache to warrant a CPU having such logic to "retry" instructions ?
> Wouldn't it be easier to fix the cache so there are no errors ?
>
> Or is this just marketing gobbledeegook to make it look like they are
> adding new features even though they may be useless in practice ?

Someone at The Register wondered that too, went digging, and came up
with a ReaWorld Tech article from a few months ago.

http://www.realworldtech.com/page.cfm?ArticleID=RWT051811113343&p=4