[Info-vax] The Machine - Dows Jones newswire report

[Kerry Main]

> -----Original Message-----
> From: Info-vax [mailto:info-vax-bounces at rbnsn.com] On Behalf
> Of johnwallace4--- via Info-vax
> Sent: 29-Nov-16 11:13 AM
> To: info-vax at rbnsn.com
> Cc: johnwallace4 at yahoo.co.uk
> Subject: Re: [Info-vax] The Machine - Dows Jones newswire
> report
> 
> On Tuesday, 29 November 2016 13:54:31 UTC, Neil Rieck  wrote:
> > Here are a few more technical details:
> >
> > https://www.extremetech.com/computing/240248-hp-
> demonstrates-next-gene
> > ration-computing-prototype-machine-comes-together
> >
> > Neil Rieck
> > Waterloo, Ontario, Canada.
> > http://www3.sympatico.ca/n.rieck/
> 
> So looking at the "detail" provided, it might well look
remarkably
> familiar (at concept level) to those who remember the DEC/CPQ
> Wildfire concept: processors with local cache and local bulk
> memory, and then slower access to large scale memory further
> away. Done with cache coherence as a requirement, because
> without CC you pretty much might as well build separate
> standalone boxes (or at least boxes with dynamically re-
> allocatable resources).
> Further reading (in depth):
> http://courses.cs.washington.edu/courses/cse590g/01wi/gharac
> horloo.pdf
> 
> The HP model still has massive latency differences between
local
> cache, local bulk, and remote bulk, and appears to have largely
> abandoned global-scale cache coherency. Maybe that's fair
> enough, not everything needs cache coherence all the time.
> Sometimes people don't even care if the answer is right.
> 
> 
> The HP remote bulk memory may in principle be
> byte-rewritable but the devil is in the detail.
> Systems which try to make everything look like
> byte-addressable memory (even if it isn't) have been
> around a while (e.g. MUMPS???).
> 
> We'll see. In the meatime it fills column inches.

We should take all of this PR with a grain of salt because we
also need to remember that the person leading TM since its
inception (Martin Fink aka Mr. Linux) is no longer with HPE.

http://www.zdnet.com/article/hp-enterprise-cto-martin-fink-steppi
ng-down/

Regards,

Kerry Main
Kerry dot main at starkgaming dot com