Paper showing Linpack scalability of mainstream clusters

Greg Lindahl lindahl at
Fri Sep 28 12:22:45 PDT 2001

On Fri, Sep 28, 2001 at 05:42:03PM +0200, Alan Ward wrote:

> In many (european) countries, the "efficiency factor" -- or "cos(phi)"
> as we call it -- must be over 0.9 . A transformer, or computer power supply,
> must be designed to comply with this, at least under normal working
> conditions. An overloaded transformer won't.

David's number was also 0.9, so I was misremembering, and it is pretty
close to one.


More information about the Beowulf mailing list