I can say a few words about optical active cable (OAC) choices. The
current in production choice is from Intel, their Connects Cable. This is
are they shipping? I checked their website a couple weeks ago
and they were talking 1q08 availability.
speeds out to100m. A 25m cable is going to ru
-- Original message --
From: Mark Hahn <[EMAIL PROTECTED]>
> I've got an situation where a 20-25M IB cable would be very handy,
> and as far as I can tell, such cables exist. What's not clear to me
> is how they work - I think they all have some form of active componen
mention have support for those active or fiber cables already. Feel free
to let me know if you need more info, or contacts for the cable vendors.
thanks very much for the info; I'm going to follow up offlist in more detail.
regards, mark hahn.
___
Beo
I've got an situation where a 20-25M IB cable would be very handy,
and as far as I can tell, such cables exist. What's not clear to me
is how they work - I think they all have some form of active components.
some appear to be copper; others fiber, but all seem to draw a few Watts.
I guess they d
On Wednesday 10 October 2007 12:23:14 am Tim Cutts wrote:
> We then have a default memory limit on the queues which
> is really very low indeed (1.9 GB, typically, because we have 2 GB
> RAM per core on our nodes). If the user wants more memory, they have
> to set a new higher limit themselves.
David Kewley <[EMAIL PROTECTED]> wrote:
> But the kernel doesn't really enforce anything useful.
I agree, the kernel should be able to enforce these sorts of limits
on all processes of a user at once.
Write Linus or whichever kernel developer you think is most likely to
know now to implement th
On Tue, Oct 09, 2007 at 05:00:33PM -0400, Camm Maguire wrote:
> Confirmed! The on board nic has measurably lower latency without
> inducing any discernible cpu load.
Offload doesn't buy anything? Wow. I would never have guessed that...
-- greg
___
Be
minor version changes in SSE, etc, and iirc the earliest Core2 chips had
just 1066 MHz FSB, vs 1333 now. you can probably come pretty close by
populating just one node's dimms on a dual-socket AMD system.
Intel's non-xeon quad processors still have only 1066 MHz FSB (except
for the very pricey
On Tue, 9 Oct 2007, andrew holway wrote:
It seems in europe at least Microsoft are talking to the likes of Xen
to get windows into hpc. After the European community's cold reception
of CCS they seem willing to float the next version of CCS on unix. No
one will trust MS with metal but the users s
Barnet Wagman wrote:
I'm moving towards setting up a small cluster (my first), and am
thinking about using Intel quad core processors. However, I'm a little
concerned about memory contention. I'm (tentatively) going to have one
processor per node (this appears to be the cheapest way to go),
On 10 Oct 2007, at 5:47 am, Mike Davis wrote:
We have been dealing with similar problems on one of our clusters.
The solution that we're coming to is that we need a non-standard
solution. With Sun Grid Engine, one could build a memory consumable
and then have jobs request memory. One could
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