[Beowulf] If I were specifying a new custer...

John Hearns hearnsj at googlemail.com
Thu Oct 18 22:54:49 PDT 2018

On the subject of new architectures, James Lin from the Shanghai HPC Centre
tweeted this:
In HPC China2018, I see the prototype node of Tianhe3.  Processor
(FT-matrix 2000+): 128 cores, 2TFlops in DP --> Node: 3 processors, 6TF -->
The prototype system: 512 nodes, 3PFlops. The interconnection is
200Gbps.    Details will be available online later this month. Looking at
the Matrix processor it is very interesting:
https://en.wikichip.org/wiki/nudt/matrix-2000 Each Matrix consist for four
'super nodes' with 32 cores and its own paths to DDR4 memory. So you would
imagine there are 4 separate chips in the package, but I may be wrong. Each
core has two 256bit wide vector units. Clocked at 1.2Ghz which makes sense.
A couple of observations: A single 128 CPU machine with 256 wide vector
units would have been a pretty respectable supercomputer in itself not so
long ago. If I have not miscalculated, it would have got you near the top
of the Top 500 in 2010 I wish I could get a hold of one, or a test drive -
probably not much hope of that. Stu Midgley - I think you need to get your
order in for a boat load of these! So I will stick my neck out - Doug, get
on a flight to Shanghai for your next clustermonkey building blocks.

On Thu, 18 Oct 2018 at 03:24, Jonathan Engwall <
engwalljonathanthereal at gmail.com> wrote:

> On October 17, 2018, at 8:50 AM, Gerald Henriksen <ghenriks at gmail.com>
> wrote:
> >On Wed, 17 Oct 2018 16:35:52 +1100, you wrote:
> >>On Saturday, 13 October 2018 12:38:15 AM AEDT Gerald Henriksen wrote:
> >>
> >>> If ARM, or Power, want to move from their current positions in the
> >>> market they really need to provide affordable developer machines,
> >>
> >>Not sure if this comes in at a price point that makes sense for this,
> but
> >>there is now an ATX Power9 mainboard available.
> >>
> >>https://raptorcs.com/TALOSIILITE/
> >>
> >>They claim:
> >>
> >>https://twitter.com/RaptorCompSys/status/1020371675316215809
> >>
> >># TalosIILite in stock and ready to ship! #POWER9 mainboard + CPU + RAM
> + HSF
> >># for under $2,000 USD, what's not to like? Supports all of our Sforza
> >># options, from 4 core to the high end 22 core CPUs.
> >Not really.
> >While there obviously is a lot of corporate funded work in the open
> >source community I would guess little of it is interested in anything
> >but the traditional AMD/Intel systems, and maybe ARM.
> >To give a new / minor platform traction you really need to have
> >something priced where it can be a personal purchase, normally as a
> >secondary machine as few people will move to ARM or Power (at this
> >point) as an only machine.
> >They do however have another platform coming, no prices yet, but
> >should hopefully be more affordable in the Blackbird:
> >https://wiki.raptorcs.com/wiki/Blackbird
> >And to point out what is obvious to many, the reason these cheaper
> >systems are needed is to get all that open source software working and
> Two nights ago I turned two lines of core python into seven working lines.
> It is extremely frustrating. Lately I  just expect it.
> >tested, Raptor has had to do work just to get Chrome working on Power:
> >
> https://www.phoronix.com/scan.php?page=news_item&px=Raptor-Chrome-JIT-PPC64LE-Work
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