[Beowulf] onboard Gb lan: any opinion, sugestion or impression?

[Mike Davis]

Application latency characteristics are the potential downside of 
onboard GbE. That said, we are successfully using it with what we feel 
is good performance for VASP, G03, GAMESS, Fluent, BLAST,. Custom MD 
code, Custom Bioinformatics code, Finite Element analysis and other 
applications.

I expect that we are going to see a drop in infiniband prices with the 
new crop of high capacity switched soon to be offerred. OIf course there 
is always channel bonding to up the total throughput of GbE.


Mike Davis



Chris Samuel wrote:

>On Tuesday 14 November 2006 08:26, Jones de Andrade wrote:
>
>  
>
>>We came to a question here, in the cluster we are planning: how usefull are
>>the, now so common, onboard gigabit networks (even dual networks) that are
>>shipped in the motherboards?
>>    
>>
>
>The only question I'd come across in the past was if you had Broadcom cards 
>should you use the mainline tg3 driver or the Broadcom bcm57xx drivers (which 
>were also GPL IIRC).
>
>However, these days Broadcom have discontinued their bcm drivers and recommend 
>people use the mainline tg3.
>
>cheers!
>Chris
>  
>
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