Good PCI-X Chipsets -- exist?

Steffen Persvold sp at scali.com
Wed Mar 19 03:00:01 EST 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 ?

Regards,
-- 
  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

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