diep at xs4all.nl
Mon Apr 4 12:16:31 PDT 2011
sometimes i go through a lot of mails at the mailing list here and
had missed this one.
please keep me up to date and/or add me to mailing lists there.
latency is superior of quadrics compared to all the infini* stuff.
drivers that integrate into kernels - well some modifications
shouldn't be too hard.
Of course even the realtime linux kernel is rather crappy there, as
it locks every action
from and to a socket (even RAW/UDP communication in fact),
so you need a 'hack' of that kernel anyway to get faster latencies.
secondhand the quadrics stuff is cheap it seems.
On Jan 11, 2011, at 5:55 PM, Daniel Kidger wrote:
> I will let others step forward individually.
> I was one of the last employees to leave Quadrics , so I do know
> who had
> support contracts at that time, plus the even larger set of sites that
> had expired support contracts but still were actively running their
> QsNet clusters.
> You know that a company called Vega took on the ongoing support? :
> here is the website I set up at the time: https://
> I agree too though that there should be a community of QsNet-owning
> enthusiasts, who could provide mutual support in this legacy era.
> Also off the record, I know that there is a lot of Elan4 stock sitting
> in a warehouse. As long as you are not looking for long term vendor
> support, I expect you could acquire cards, cables and switches for a
> bargain price.
>> Are you still using Quadrics Elan4-based clusters?
>> We would like to continue using Quadrics on one of our clusters,
>> since it
>> is still quite good in latency. Maintaining the Quadrics drivers,
>> is a bit of a pain going forward - would be nice to avoid
>> duplicating effort,
>> if there are other groups also doing so.
>> please follow up or email me if you are using Elan4, or know anything
>> Mark Hahn | SHARCnet Sysadmin | hahn at sharcnet.ca | http://
>> | McMaster RHPCS | hahn at mcmaster.ca | 905 525 9140
>> | Compute/Calcul Canada | http://
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