[Beowulf] interconnect and compiler ?

[Tom Elken]

> On Thursday 29 January 2009 17:44:27 Toon Knapen wrote:
> > In your experience, why is IB mainly Melanox and not verari 
> or voltaire?
> 
> Because Mellanox is pretty much the only manufacturer of IB 
> silicon. IB 
> vendors (Qlogic, Voltaire, etc) all sell products using 
> Mellanox chips.

< Sorry for the marketing info in the links below, just trying to correct what might be a false impression. >

QLogic sells IB adapters with their own IB silicon, as well as Mellanox's silicon.  We brand the QLogic ASICs as 'TrueScale.'
Here's a press release on the DDR adapters (currently shipping) based on QLogic TrueScale ASICs:
http://ir.qlogic.com/phoenix.zhtml?c=85695&p=irol-newsArticle&ID=1195280&highlight=
In the list of IB adapters offered by QLogic:
http://www.qlogic.com/Products/HPC_products_infipathhcas.aspx
the adapter models, listed at the top, starting with 'QLE' (QLE7140, QLE7240, QLE7280) use QLogic silicon.  

And the forthcoming InfiniBand QDR & DDR switches based on QLogic TrueScale ASICs were announced here, and at SC'08:
http://ir.qlogic.com/phoenix.zhtml?c=85695&p=irol-newsArticle&ID=1227184&highlight=


Cheers,
-Tom Elken

> 
> Cheers,
> -- 
> Kilian
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