Good PCI-X Chipsets -- exist?

Steffen Persvold sp at scali.com
Tue Mar 18 04:37:19 EST 2003


On 17 Mar 2003, Patrick Geoffray wrote:

> Hi Eric,
> 
> On Tue, 2003-03-11 at 20:14, Eric Roman wrote:
> 
> > Anyway, if you have good (i.e. measured, with anything relevant) numbers
> > for these boards (either is good, both is better), I'd love to hear about
> > it.
> 
> Here is what I have seen (and what I can tell you), using the upcoming
> Myrinet LanaiX board:
> 
> * Plumas chipset (Intel E7500), PCI-X at 133 MHz:
> DMA Read = 825 MB/s
> DMA Write =  850 MB/s
> 
> * ServerWorks (GrandChampion), PCI-X at 133 MHz:
> DMA Read = 860 MB/s
> DMA Write = 1024 MB/s
> 
> * Alpha Ev7 (Marvel, what a nice machine), PCI-X at 133 MHz:
> DMA Read = 908 MB/s
> DMA Write = 1038 MB/s
> 
> 
> They are all pretty good so far.

I agree, impressive numbers ! What is the wire speed on these cards ?

> 
> Greg, please do not put them on your list right now, the benchmark code
> is not finalized yet.
> 

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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