<br><tt><font size=2>Roland Dreier <rdreier@cisco.com> wrote on 10/05/2006
10:18:49 AM:<br>
<br>
> Bernard> I don't think it is the PCI-e bus because
it can handle<br>
> Bernard> much more than 20 Gb/s.<br>
> <br>
> This isn't true. Mellanox cards have PCI-e x8 interfaces, which
has a<br>
> theoretical limit of 16 Gb/sec in each direction, and a practical<br>
> limit that is even lower due to packetization and other overhead.<br>
</font></tt>
<br><tt><font size=2>Right, (looking at future hardware specs) :=}</font></tt>
<br>
<br><tt><font size=2>So the question is what speedup is expected from a
2 port Mellanox PCI-e adapter going from 1 to 2 ports.</font></tt>
<br>
<br><tt><font size=2>> <br>
> - R.<br>
</font></tt>
<br><font size=2 face="sans-serif"><br>
Bernie King-Smith <br>
IBM Corporation<br>
Server Group<br>
Cluster System Performance <br>
wombat2@us.ibm.com (845)433-8483<br>
Tie. 293-8483 or wombat2 on NOTES <br>
<br>
"We are not responsible for the world we are born into, only for the
world we leave when we die.<br>
So we have to accept what has gone before us and work to change the only
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-- The Future." William Shatner</font>