[Beowulf] Pony: not yours.

Eugen Leitl eugen at leitl.org
Thu May 16 08:01:48 PDT 2013

On Thu, May 16, 2013 at 10:28:12AM -0400, Mark Hahn wrote:

> - do we need exascale anyway?  would the world be better off with a thousand

Yes, EFlops is entry level for projects like 
and if you want invididually accurate neural emulation
you'll need billions of such facilities, so we're
looking at kW rather MW here.

> petascale machines?  I know the field tends to view this as a kind of
> manifest destiny, but why?  the secondary argument usually devolves to
> something like "well, the high end pushes the envelope so the masses can 
> benefit from trickle-down improvements."  but if this is the main
> justification, it's a bit twisted: we need to make clusters so big that we
> can't afford to power them in order to force ourselves to develop more
> power-efficient systems?  if power is an important TCO component, why aren't
> we optimizing for it already (in any sized facility)?

I definitely do for my private projects, as 0.25 EUR/kWh are
a pretty good argument.

More information about the Beowulf mailing list