[Beowulf] Q: IB message rate & large core counts (per node)
kus at free.net
Fri Feb 26 10:29:12 PST 2010
In message from Mark Hahn <hahn at mcmaster.ca> (Thu, 25 Feb 2010
16:53:59 -0500 (EST)):
>BW seems like a SeaStar2+ advantage ...
>(2or 3 outgoing 9.6 GB links versus 18
>outgoing 4 GB/s links).
Really SeaStar2+ BW advantage isn't such expressive :-)
1) 9.6 GB/s is peak value, sustained is 6 GB/s
2) And this values are for bisectional bandwidth,
therefore, as I understand, it's only 3 GB/s for transmission of one
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