Good PCI-X Chipsets -- exist?
sp at scali.com
Wed Mar 19 00:00:01 PST 2003
On 18 Mar 2003, Patrick Geoffray wrote:
> On Tue, 2003-03-18 at 04:37, Steffen Persvold wrote:
> > I agree, impressive numbers ! What is the wire speed on these cards ?
> This is the PCIXD card, with one link (2+2 Gb/s). The PCIXE card will
> share the same PCI DMA chip but have 2 links on the faceplate, acting as
> one virtual link (2x(2+2) Gb/s).
Cool, so you still use the same switches (and cables) for these new cards
or are there newer ones with higher bisection bandwidth ?
> For the rare rich people that would require 8 Gb/s (what's Infiniband
> wrongly measures 10 Gp/s), it would be done by bounding 2 PCIXE cards.
On which level is this "bounding" done ? Is it at HW level, GM level or
MPI level ?
Steffen Persvold | Scali AS
mailto:sp at scali.com | http://www.scali.com
Tel: (+47) 2262 8950 | Olaf Helsets vei 6
Fax: (+47) 2262 8951 | N0621 Oslo, NORWAY
More information about the Beowulf