Re: [Beowulf] immersion

[Darren Wise Esq]

I do have him within my contacts on LinkedIn, he is presently a bit 
delayed on social media in favour of a couple of beers and tinkering 
with his machines IIRC :D


On 23/03/2024 14:17, Michael DiDomenico wrote:
i caught this on linkedin the other day.  i'm not sure if Dr Midgely 
is still on the list or not.  If he is, i was wondering if he could 
shed some technical details on the installation and since it's been a 
few years since DUG first started with immersion what his thoughts are 
now versus then


https://dug.com/dug-launches-massive-upgrade-of-houston-data-centre/

https://media.licdn.com/dms/image/D5622AQHjn8G-2k5q8A/feedshare-shrink_1280/0/1711031817861?e=1714003200=beta=V5I4coIgMKjE5VhoPW8IZe-h_dGCptfQqMDcK_GsRR8 



i'm curious to know

1 how many servers per vat or U
2 i saw a slide mention 1500w/sqft, can you break that number into kw 
per vat?
3 can you shed any light on the heat exchanger system? it looks like 
there's just two pipes coming into the vat, is that chilled water or 
oil?  is there a CDU somewhere off camera?

4 that power bar in the middle is that DUG custom?
5 any stats on reliability?  like have you seen a decrease in the hw 
failures?


are you selling the vats/tech as a product?  can i order one? :)

since cpu's are pushng 400w/chip, nvidia is teasing 1000w/chip coming 
in the near future, and i'm working on building a new site, i'm keenly 
interested in thoughts on DLC or immersion tech from anyone else too


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Re: [Beowulf] [External] Re: old sm/sgi bios

[Darren Wise via Beowulf]

I nearly dropped my coffee lol, did you make note & record his face if 
you ever did in past tense mention such by chance the comparisons? -I'm 
just curious with wonder..


On 23/03/2023 19:08, Prentice Bisbal via Beowulf wrote:


Yeah, that whole situation was frustrating. From 2004 -2007, I was 
working for a pharmaceutical startup supporting their Computer-Aided 
Drug Discovery (CADD) team. Had I been hired before the director of 
CADD, it would have been a 100% Linux shop. Instead, as soon as he was 
hired he started insisting, and circulated a memo, stating that Linux 
was still a toy for hobbyists and "not ready for primetime" (he used 
that exact quote). So we spent tens of thousands of dollars on two 
Octanes and the 8-way Origin 350. I got a Linux workstation as a 
proof-of-concept, and that HP Workstation running Linux that cost only 
a few thousand dollars ran circles around those SGI boxes, and when 
cost was factored in FLOPS/$ was like 10x better than the SGI hardware 
at that point. And all of that hardware was bought used ("remarketed") 
from SGI, so new hardware would have compared significantly worse in 
terms of value.


Also, it turned out the director of CADD owned a nontrivial amount of 
SGI stocks, so not only was an he over-the-hill curmudgeon afraid of 
new technology, there was also a pretty clear conflict of interest for 
him to be pushing SGI, even though I'm sure our small purchase did 
nothing to improve SGI stock value.


On 3/23/23 2:58 PM, Joe Landman wrote:


They had laid off all the good people doing workstations by then, I 
think they outsourced design/production to ODMs by that time.  MIP 
processors were long in the tooth in 1999, never mind 2007.


Having been at SGI from 1995-2001, I can tell you the reason MIPS 
sucked wind at that point, was the good ship Itanic sunk Alien and 
Beast processors.  Those design teams left, and we didn't have much 
for post R10k, other than respins and shrinks of R10k.  Which were 
renamed R12k, R14k ...


Beast would have been relevant (near EOL though) in 2007.


On 3/23/23 14:53, Prentice Bisbal via Beowulf wrote:


Between 2003 and 2007, I worked with a lot of O2s, Octanes, an 8-way 
Origin 350, and even a Tezro. I don't miss those days.


I always felt like the design of their workstations was done by the 
same people who design Playskool toys rather than professional 
hardware.


Prentice Bisbal
Senior HPC Engineer
Computational Sciences Department
Princeton Plasma Physics Laboratory
Princeton, NJ
https://cs.pppl.gov
https://www.pppl.gov
On 3/23/23 1:08 PM, Ryan Novosielski via Beowulf wrote:
Seriously. I have an Indy and an Octane2 laying around. That’s not 
even an SGI. :-P


--
#BlackLivesMatter

|| \\UTGERS, 
 |---*O*---

||_// the State |         Ryan Novosielski - novos...@rutgers.edu
|| \\ University | Sr. Technologist - 973/972.0922 (2x0922) ~*~ 
RBHS Campus
||  \\    of NJ | Office of Advanced Research Computing - MSB 
A555B, Newark

     `'

On Mar 23, 2023, at 13:07, Michael DiDomenico 
 wrote:


ack, irix flashbacks... :) fortunately, this machine isn't quite that
old, circa 2013

On Thu, Mar 23, 2023 at 1:02 PM Darren Wise via Beowulf
 wrote:


Hello,

I don't personally have such myself but anything SGI even with 
today's

exotics Ians about the most knowledgable I know of globally and
seriously dying out within this sector, I hazard a guess your SM 
board

would be considered quite new compared to other systems.

http://www.sgidepot.co.uk/sgidepot/


Kind Regards,
Darren Wise
Research Engineer, Mechatronics
https://wisecorp.co.uk, .us & .ru

On 23/03/2023 16:51, Michael DiDomenico wrote:

does anyone happen to have an old sgi / supermicro bios for an
X9DRG-QF+ motherboard squirreled away somewhere?  sgi is long gone,
hpe might have something still but who knows where.  i reached 
out to

supermicro, but i suspect they'll say no.
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Re: [Beowulf] old sm/sgi bios

[Darren Wise via Beowulf]

You should get some images up or send me some and I'll put them within 
an instance public, I've a lovely VAX 6000-610 or 620 about the size of 
a couple of american fridges on three-phase to do more with soon (time 
and space allowing) :D


Kind Regards,
Darren Wise
Research Engineer, Mechatronics
https://wisecorp.co.uk, .us & .ru


On 23/03/2023 17:36, juan Gallego wrote:

got an Indigo (an R3000 converted to R4000) and 2 Indys (Indies?) still up
and running. built to last them Silicon Graphics things. not like these
new-fangled pieces of junk that die after less than 10 years of light usage
:P

juan

On 2023-03-23 17:08-, Ryan Novosielski via Beowulf  wrote:
|
| ack, irix flashbacks... :) fortunately, this machine isn't quite that
| old, circa 2013
|
| On Thu, Mar 23, 2023 at 1:02 PM Darren Wise via Beowulf
|  wrote:
|
| Hello,
|
| I don't personally have such myself but anything SGI even with today's
| exotics Ians about the most knowledgable I know of globally and
| seriously dying out within this sector, I hazard a guess your SM board
| would be considered quite new compared to other systems.
|
| http://www.sgidepot.co.uk/sgidepot/
|
|
| Kind Regards,
| Darren Wise
| Research Engineer, Mechatronics
| https://wisecorp.co.uk, .us & .ru
|
| On 23/03/2023 16:51, Michael DiDomenico wrote:
| does anyone happen to have an old sgi / supermicro bios for an
| X9DRG-QF+ motherboard squirreled away somewhere?  sgi is long gone,
| hpe might have something still but who knows where.  i reached out to
| supermicro, but i suspect they'll say no.
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|

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Re: [Beowulf] old sm/sgi bios

[Darren Wise via Beowulf]

You should send Ian an eMail, you never know something could turn up.

I still have allot of SUN branded hardware myself which is hard to come 
by for some items, sometimes leads do come back to you :)


Kind Regards,
Darren Wise
Research Engineer, Mechatronics
https://wisecorp.co.uk, .us & .ru

On 23/03/2023 17:07, Michael DiDomenico wrote:

ack, irix flashbacks... :) fortunately, this machine isn't quite that
old, circa 2013

On Thu, Mar 23, 2023 at 1:02 PM Darren Wise via Beowulf
 wrote:

Hello,

I don't personally have such myself but anything SGI even with today's
exotics Ians about the most knowledgable I know of globally and
seriously dying out within this sector, I hazard a guess your SM board
would be considered quite new compared to other systems.

http://www.sgidepot.co.uk/sgidepot/


Kind Regards,
Darren Wise
Research Engineer, Mechatronics
https://wisecorp.co.uk, .us & .ru

On 23/03/2023 16:51, Michael DiDomenico wrote:

does anyone happen to have an old sgi / supermicro bios for an
X9DRG-QF+ motherboard squirreled away somewhere?  sgi is long gone,
hpe might have something still but who knows where.  i reached out to
supermicro, but i suspect they'll say no.
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Re: [Beowulf] old sm/sgi bios

[Darren Wise via Beowulf]

http://bitsavers.org/ too? -Kinda another long shot mind.


Kind Regards,
Darren Wise
Research Engineer, Mechatronics
https://wisecorp.co.uk, .us & .ru

On 23/03/2023 16:51, Michael DiDomenico wrote:

does anyone happen to have an old sgi / supermicro bios for an
X9DRG-QF+ motherboard squirreled away somewhere?  sgi is long gone,
hpe might have something still but who knows where.  i reached out to
supermicro, but i suspect they'll say no.
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Re: [Beowulf] old sm/sgi bios

[Darren Wise via Beowulf]

Hello,

I don't personally have such myself but anything SGI even with today's 
exotics Ians about the most knowledgable I know of globally and 
seriously dying out within this sector, I hazard a guess your SM board 
would be considered quite new compared to other systems.


http://www.sgidepot.co.uk/sgidepot/


Kind Regards,
Darren Wise
Research Engineer, Mechatronics
https://wisecorp.co.uk, .us & .ru

On 23/03/2023 16:51, Michael DiDomenico wrote:

does anyone happen to have an old sgi / supermicro bios for an
X9DRG-QF+ motherboard squirreled away somewhere?  sgi is long gone,
hpe might have something still but who knows where.  i reached out to
supermicro, but i suspect they'll say no.
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Re: [Beowulf] fdr in edr switch

[Darren Wise]

Heya,

I do very much the same QSFP28-EDR 100G adapter cards into QSFP+-FDR 56G just 
with the use of a cable. I even QSFP+-FDR to 4x SFP+-10G using various brocade, 
mellanox, chelsio hardware and have never come out worse.

Some cables can be a bit funny but I have never had issues with cables branded 
by NetApp, DELL, CISCO or purchasing coded variants from suppliers. However 
FS.com are a valued cable supplier for anything that I might think could be a 
bit fickle.

Allot of the time it is cable compatibility and rarely the adapters themselves.

Hope this help you out buddy :) 
Kind regards,
Darren Wise

https://wisecorp.co.uk
https://kotidc.com
https://thirah.com
https://woprcompute.com
https://adsstech.com

On 1 March 2021 19:02:36 GMT, Michael Di Domenico  
wrote:
>has anyone plugged a mellanox fdr card into a mellanox edr switch?  i
>need to connect a server that doesn't have a x16 port so no edr card,
>but i do have an fdr card that's x8.  i don't need the speed just the
>connection, but i've not tried this before.  a quick google says it
>should work, but i'm loathe to until i hear someone else has.
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Re: [Beowulf] The xeon phi

[Darren Wise]

Just as an added extra with regards to the PCIe card, please be wary on 
purchase both active-cooled and passive-cooled exist, I purchased passive for 
enterprise rack usage but also within a workstation cooled using a blower fan. 
I preferred the interchangeable notion where as some might not.

Seeking a native socketed Phi variant at present along with some INTEL Itanium 
to mix with some SPARC64 and X86_64 within the rack.

INTEL XEON Phi is cool!

*Happy new year folks :)

Kind regards,
Darren Wise

https://wisecorp.co.uk
https://kotidc.com
https://thirah.com

On 31 December 2020 05:50:02 GMT, Jonathan Engwall 
 wrote:
>Hello Beowulf,
>Both the Xeon Phi and Tesla Grid cost so little on ebay right now, the
>precious metal inside may be worth more.
>If you want one for your self, now is the time. People do scrap these
>things.
>I had to buy one! The Xeon Phi looks so neat!
>Jonathan Engwall

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Re: [Beowulf] Administrivia: chasing down DNS problems for the beowulf list

[Darren Wise]

No worries at all, have you dug with dig and compared to the server records. 
Hate sticking my nose in but could be why they will fix tomorrow while awaiting 
for said wherever hosting provider is to have a record refresh.

I used to suffer some quite predominantly similar sounding issues myself with a 
provider once, or maybe not directly said provider but a further provider they 
leased off.

Hope everyone is well, you ain't shedding me! Hehh #StaySafe folks :)

Kind regards,
Darren Wise

On 8 November 2020 21:11:01 GMT, Chris Samuel  wrote:
>On 11/8/20 1:06 pm, Chris Samuel wrote:
>
>> I've had no response back from them sadly, and we've started shedding
>a 
>> fair number of subscribers from the list because of this issue.  I've
>
>> sent a query on to their postmaster to see if they can help establish
>
>> contact.
>
>Had a response already (my contact has been crazy busy, which I can 
>sympathise with a lot!), issue will get looked at tomorrow.
>
>All the best,
>Chris
>-- 
>Chris Samuel  :  http://www.csamuel.org/  :  Berkeley, CA, USA
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[Beowulf] ***UNCHECKED*** Re: Administrivia: chasing down DNS problems for the beowulf list

[Darren Wise]

Thanks for the heads up, I think this affected me a little but is not doing so 
now!

I reckon I say for most but apologies not needed, you maintain it well :)

Kind regards,
Darren

On 18 October 2020 18:07:42 BST, Chris Samuel  wrote:
>Hi all,
>
>Just a quick heads up that some folks will be having issues receiving
>email 
>from the list as beowulf.org seems to have lost its reverse DNS entry
>and many 
>subscribers email systems won't accept email from sites without that.
>
>I've just emailed the person I had contact with last at Penguin to see
>if this 
>can be resolved (ahem), in the meantime I've disabled Mailman's
>automatic 
>processing of bounce messages so we don't lose people because of this
>issue.
>
>chris@quad:~$ host beowulf.org
>beowulf.org has address 12.53.5.80
>beowulf.org mail is handled by 10 beowulf.org.
>
>chris@quad:~$ host 12.53.5.80
>Host 80.5.53.12.in-addr.arpa. not found: 3(NXDOMAIN)
>
>Looking at my home email inpile I can see this started happening a
>little 
>while ago but work and taxes has occupied all my time so I've only just
>
>noticed. :-(
>
>Apologies for this!
>
>All the best,
>Chris
>-- 
>  Chris Samuel  :  http://www.csamuel.org/  :  Berkeley, CA, USA
>
>
>
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Re: [Beowulf] Tech talk: Yes! You Can Run Your Software on Arm.

[Darren Wise]

You're welcome Jörg, I'll definitely chime in too.

On another note as I've worked in northern europe during my life and jörg feels 
like George but not northern european to a degree with an umlaut, my best guess 
is german and I hope not offend you with my assumptions. Just curious.

Kind regards,
Darren Wise

On 28 September 2020 08:12:15 BST, "Jörg Saßmannshausen" 
 wrote:
>Hi Darren,
>
>many thanks for doing this!
>
>The tech-talks are really good as they are from the experts for the
>experts, 
>which makes them different to the usual sales-type talk. 
>I had a sneak preview and I found it very interesting to be honest. 
>
>All the best from London
>
>Jörg
>
>Am Montag, 28. September 2020, 00:36:29 BST schrieb Darren Wise:
>> I've shared it via LinkedIn for you too Jörg as I've a few
>connections that
>> might take the opportunity too :)
>> 
>> Kind regards,
>> Darren Wise
>> wisecorp.co.uk
>> 
>> On 27 September 2020 23:27:18 BST, "Jörg Saßmannshausen" w...@sassy.formativ.net> wrote:
>> >Dear all,
>> >
>> >it gives me great pleasure to announce the upcoming tech-talk:
>> >"Yes! You Can Run Your Software on Arm."
>> >given by Chris Edsall (University of Bristol, UK) on Wednesday, 30th
>of
>> >
>> >September. It is free and no registration is required.
>> >
>> >More information can be found here:
>> >
>>
>>https://github.com/easybuilders/easybuild/wiki/EasyBuild-Tech-Talks-II:-Arm
>> >
>> >I hope I will find this talk interesting and exciting.
>> >Please feel free to distribute it further.
>> >
>> >All the best
>> >
>> >Jörg
>> >
>> >
>> >
>> >___
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>
>
>
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Re: [Beowulf] Tech talk: Yes! You Can Run Your Software on Arm.

[Darren Wise]

I've shared it via LinkedIn for you too Jörg as I've a few connections that 
might take the opportunity too :)

Kind regards,
Darren Wise
wisecorp.co.uk

On 27 September 2020 23:27:18 BST, "Jörg Saßmannshausen" 
 wrote:
>Dear all,
>
>it gives me great pleasure to announce the upcoming tech-talk:
>"Yes! You Can Run Your Software on Arm."
>given by Chris Edsall (University of Bristol, UK) on Wednesday, 30th of
>
>September. It is free and no registration is required. 
>
>More information can be found here:
>
>https://github.com/easybuilders/easybuild/wiki/EasyBuild-Tech-Talks-II:-Arm
>
>I hope I will find this talk interesting and exciting. 
>Please feel free to distribute it further. 
>
>All the best
>
>Jörg
>
>
>
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Re: [Beowulf] Neocortex unreal supercomputer

[Darren Wise]

Heya, sorry to chime in a little late,
Some images of the box on tech crunch, some details, but the article was 
written during 2019 prior to the new publication you folks are talking about.

https://techcrunch.com/2019/11/19/the-cerebras-cs-1-computes-deep-learning-ai-problems-by-being-bigger-bigger-and-bigger-than-any-other-chip/

All I can say is it really beats the bogomips off my IBM X3950x5 80core 2-node 
even with the XEON Phi cards I'm installing.

-I have also read an gaming publication article utilising the almost same 
content and images as tech crunch but with the gloss over of why it wont be 
playing crysis anytime soon ;)

Kind regards,
Darren Wise

On 14 June 2020 06:11:30 BST, Jonathan Engwall 
 wrote:
>There is the strange part. How to utilize such a vast cpu?
>Storage should be the back end, unless the use is an api. In this case
>a
>gargantuan cpu sits in back, or so it seems.
>
>On Sat, Jun 13, 2020, 9:41 PM Chris Samuel  wrote:
>
>> On 13/6/20 7:58 pm, Fischer, Jeremy wrote:
>>
>> > It’s my understanding that NeoCortex is going to have a petabyte or
>two
>> > of NVME disk sitting in front of it with some HPE hardware and then
>> > it’ll utilize the queues and lustre file system on Bridges2 as its
>front
>> > end.
>>
>> There's more information here:
>>
>>
>>
>https://www.psc.edu/3206-nsf-funds-neocortex-a-groundbreaking-ai-supercomputer-at-psc-2
>>
>> # Neocortex will use the HPE Superdome Flex, an extremely powerful,
>> # user-friendly front-end high-performance computing (HPC) solution
>> # for the Cerebras CS-1 servers. This will enable flexible pre- and
>> # post-processing of data flowing in and out of the attached WSEs,
>> # preventing bottlenecks and taking full advantage of the WSE
>> # capability. HPE Superdome Flex will be robustly provisioned with
>> # 24 terabytes of memory, 205 terabytes of high-performance flash
>> # storage, 32 powerful Intel Xeon CPUs, and 24 network interface
>> # cards for 1.2 terabits per second of data bandwidth to each
>> # Cerebras CS-1.
>>
>> The way it reads both of these CS-1's will sit behind that single
>Flex.
>>
>> All the best,
>> Chris
>> --
>>   Chris Samuel  :  http://www.csamuel.org/  :  Berkeley, CA, USA
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Re: [Beowulf] ibswinfo, a tool to monitor unmanaged Infiniband switches

[Darren Wise]

Nice one, I own an HP Voltaire 4036 which is managed but am still happy to 
checkout the github link.

Thanks very much for informing us as I'm sure it will be of huge use to others 
users, including myself.

Kind regards,
Darren Wise

On 30 April 2020 21:57:46 BST, Kilian Cavalotti 
 wrote:
>Dear Beowulfers,
>
>If your clusters use Infiniband, you know there are only two types of
>switches: managed or unmanaged. The former come with SSH, a web
>interface, SNMP and everything ; the latter come with LEDs.
>
>The only (and officially recommended) way to monitor unmanaged
>switches is to go take a physical look at their PSU and fan LEDs from
>time to time. Which is obviously not ideal for remote administration,
>monitoring or getting an alert when something's wrong.
>
>To solve that problem, we made a little shell script that does just
>that: get inventory data, status info, and metrics like fan speeds,
>temperatures or power usage from unmanaged Infiniband switches:
>https://github.com/stanford-rc/ibswinfo
>
>It took a little reverse-engineering and a good amount of guessing,
>but it seems to work, it fits the need, and well... it's free. So
>we're happy to share it with everyone, in case it could be useful to
>someone else.
>
>Cheers,
>-- 
>Kilian
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Re: [Beowulf] [External] Re: Intel Cluster Checker

[Darren Wise]

They could go all out an apple cool on this one, add an lowercase "i" for Intel 
to the beginning and have iCLCK upon the hour after though apple might sue for 
IP violation issues claiming they had a new mouse coming to the market and 50 
patents no-one knew about to bolster the media grabbing court appearance :D

On 30 April 2020 14:54:22 BST, John Hearns  wrote:
>That is a four letter abbreviation...  Intel clearly needed to expand
>the
>namespace.
>
>On Thu, 30 Apr 2020 at 14:35, Prentice Bisbal  wrote:
>
>> Intel abbreviates the cluster checker as "clck"
>> On 4/30/20 5:13 AM, Jim Cownie wrote:
>>
>> Bewarel of a TLA collision here. ICC is normally the Intel C
>Compiler, or
>> C/C++ compiler suite (since you invoke the C compiler as “icc”). :-)
>>
>> On 30 Apr 2020, at 08:37, John Hearns  wrote:
>>
>> Thanks Prentice. Iw as discussing this only to days ago...
>> I used the older version of ICC when working at XMA int the UK.
>> When the version as changed I found it a lot more difficult to
>implement.
>>
>> I looked two days ago and the project seems to be revived, and
>> incorporated into oneAPI
>> Is anyone using the latest versions?
>>
>> In answer to your question ICC does not take a huge amount of time.
>> I would say overnight perhaps, I cant really remember.
>>
>>
>> On Wed, 29 Apr 2020 at 21:07, Prentice Bisbal via Beowulf <
>> beowulf@beowulf.org> wrote:
>>
>>> Beowulfers,
>>>
>>> Have any of you used the Intel Cluster Checker? I've been tasked
>with
>>> using it, and I think I have it running, but the documentation isn't
>>> very good. I was wondering how long a typical run on some cluster
>nodes
>>> should take.
>>>
>>> Prentice
>>>
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>>
>> -- Jim
>> James Cownie 
>> Mob: +44 780 637 7146
>>
>>
>>
>>
>>

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[Beowulf] PLCC84, FPGA compute array.

[Darren Wise]

Hey guys,

I've been meaning to create an array of FPGAs using my own designed, printed, 
assembled breakout board for PLCC84 derived FPGAs(and other PLCC84s) in order 
to demonstrate basic compute functions via this array'd method.. Mainly for 
personal kicks but it also has a two-prong attack ending solution like 
everything I do.

I could utilise this project as a demo in itself in order to prove worth of 
buying my own branded breakout boards and such as well.

-The reason I'm boring you so, is if anyone else in the HPC, Beowulf, CoW 
groups knows of any other FPGA derived projects like the one I've mentioned 
above.. I'm so sure a project a couple of years ago did something of the same 
very well but I cannot seem to find any knowledge of it via web searching 
anywhere, eitherthat or I'm using the incorrect phrases!

Do or has anyone read about an FPGA array board which is used to compute 
something? I'd just like to read up on how their solution turned out, types of 
FPGAs they decided on and such.. I've a vast selection and good numbers of what 
I could use but I do have around 150 spare ACTEL chips and I could easily get 
another 4-500 very cheaply if needed.

I'd be happy to send anyone an PLCC-84 branded breakout board I've designed 
from the group the next time I go to print too, it's just a PCB, PLCC-84 socket 
and 4, 2x11 female headers but I have plenty more created within KiCAD and 
others to go to print as the breakout project moves forward.

Kind regards,
Darren Wise
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Re: [Beowulf] Immersive Cooling

[Darren Wise]

Yep, DUG is DC cool!

I've once or twice contacted them as I know they have a DC here in England and 
I really wanted to have a look about and know more, not only about the cooling 
solution but also the software they can offer for HPC compute.

I'm only a start-up at present from two small locations and I definitely don't 
have millions to spend so that could be why I've never had a reply but I do 
still love the cooling solution they use and I would love to purchase some of 
the fluid they patent to utilise within some hardware of mine for testing 
within a product I'm wishing to market.

But I'm too small for them at present i assume to be taken any notice of.. 
Still love the DCs, the cooling solution and the software they use for compute 
mind.

It's nice to read and hear about DUG.

On 17 September 2019 00:55:48 BST, Gerald Henriksen  wrote:
>Given that is has come up in the past, a podcast and video about a
>supercomputer that uses liquid cooling
>
>https://insidehpc.com/2019/09/podcast-extreme-power-and-cooling-efficiency-at-downunder-geosolutions/
>
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Re: [Beowulf] mellanox and rhel 7.7

[Darren Wise]

Shudda put me specs on too, just noticed the auto-correct word placement 
errors, flipping androids eh.. Need to turn that thing off lol two/52u 
chatsworths & newer/beat versions.

Sorry, I've been to specsavers though just was not wearing me boggle-goggles.

On 6 September 2019 23:12:10 BST, Darren Wise  wrote:
>What sort of mellanox hardware are you running, just out of interest? 
>
>I'm using an 36 port mellanox voltaire 4036 grid director along with
>dual port 40GBPS SUN cards, when I get around to it as I'm a little
>over worked at present but have reinstalled everything and upgraded the
>firmware to the highest possible, I'll see if I can IPoIB which I know
>they support just fine but as I have two IB ports utilised in each
>node, card I'm going to try bonding mode 6? Balance-alb which I'm sure
>could really help IP based traffic.
>
>Trying to get hold of a duplicate for my other 42u rack as well while
>this one will stay in my two  chatsworths global frame.. Really nice
>switches, love the CLI interface too, no messing about!!
>
>I'm using CentOs7 so have no clue about beat versions and such coming
>about, sorry :(
>-i'd love to hear more about the mellanox kit and usage you compute,
>network for.
>
>Kind regards
>Darren Wise
>
>On 6 September 2019 21:17:06 BST, Oxedions  wrote:
>> Hi,
>>
>>For what I could get: Beta versions should be available for partners
>>this
>>Monday (was originally expected this Friday), and GA version not
>before
>>at
>>least 2 weeks.
>>
>>Hope this helps
>>
>>With my best regards
>>
>>Ox
>>
>>Le jeu. 5 sept. 2019 à 16:25, Michael Di Domenico
>>
>>a écrit :
>>
>>> i don't have contacts with mellanox at the moment, but does anyone
>>> have an inkling as to when the mellanox software stack will get
>>> released for redhat 7.7?
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Re: [Beowulf] mellanox and rhel 7.7

[Darren Wise]

What sort of mellanox hardware are you running, just out of interest? 

I'm using an 36 port mellanox voltaire 4036 grid director along with dual port 
40GBPS SUN cards, when I get around to it as I'm a little over worked at 
present but have reinstalled everything and upgraded the firmware to the 
highest possible, I'll see if I can IPoIB which I know they support just fine 
but as I have two IB ports utilised in each node, card I'm going to try bonding 
mode 6? Balance-alb which I'm sure could really help IP based traffic.

Trying to get hold of a duplicate for my other 42u rack as well while this one 
will stay in my two  chatsworths global frame.. Really nice switches, love the 
CLI interface too, no messing about!!

I'm using CentOs7 so have no clue about beat versions and such coming about, 
sorry :(
-i'd love to hear more about the mellanox kit and usage you compute, network 
for.

Kind regards
Darren Wise

On 6 September 2019 21:17:06 BST, Oxedions  wrote:
> Hi,
>
>For what I could get: Beta versions should be available for partners
>this
>Monday (was originally expected this Friday), and GA version not before
>at
>least 2 weeks.
>
>Hope this helps
>
>With my best regards
>
>Ox
>
>Le jeu. 5 sept. 2019 à 16:25, Michael Di Domenico
>
>a écrit :
>
>> i don't have contacts with mellanox at the moment, but does anyone
>> have an inkling as to when the mellanox software stack will get
>> released for redhat 7.7?
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Re: [Beowulf] Build Recommendations - Private Cluster

[Darren Wise]

Wow, this is getting interesting!

I house mine in an Chatsworth GlobalFrame 52U, however mine is currently 
situated next to my main two workstations which I use for research & 
development and software/hardware/augmented reality design and 
development, so I'm literately sat next to mine at present until I can 
move it to a better location after it's nearly complete but it's all 
plumbed in to my 43" 4K display.


I have also a SUN T2000 with a Niagara RISC CPU which I really love but 
very rarely use currently.


WISECORP <https://wisecorp.co.uk>
Darren Wise
eMail: dar...@wisecorp.co.uk <mailto:dar...@wisecorp.co.uk>
www: https://wisecorp.co.uk

The company [ WISECORP ] accepts no liability for the content of this 
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Re: [Beowulf] Build Recommendations - Private Cluster

[Darren Wise]

Heya Richard,

I'm going to keep a close eye on this topic as I too have been building 
a compute cluster which I call WOPR, it is however only four IBM x5 3950 
in a two-node pair set-up linked via QPI-WRAP cards and cables but each 
of the nodes contains four XEON E7-8870 Deca-cores so that 160 cores 
while my DELL R810 also contains four XEON E7-4870 Deca-cores along with 
my seven DELL CS24--NV7 which contain dual, quad-core AMD 2373EE, this 
is all linked via SUN 80GBPS Infiniband to my Mellanox switch which then 
ties directly to my LAN, I've also some DAS too.


I'm not finished yet so have not equated for GPUs but would be very 
interested in an FPGA route for further compute. I'm also expanding the 
IBM x5 3950 range an identical pair at a time every few months, so 
things do or have been changing and this is why I'd like to see the 
topic you've created grow a little :D


All very interesting stuff!

On 20/08/2019 23:18, Richard Edwards wrote:

Hi Folks

So about to build a new personal GPU enabled cluster and am looking for peoples 
thoughts on distribution and management tools.

Hardware that I have available for the build
- HP Proliant DL380/360 - mix of G5/G6
- HP Proliant SL6500 with 8 GPU
- HP Proliant DL580 - G7 + 2x K20x GPU
-3x Nvidia Tesla 1070 (4 GPU per unit)

Appreciate people insights/thoughts

Regards

Richard
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Re: [Beowulf] HPC jobs

[Darren Wise]

I'm just in the middle of having delivered, installing my new 52U rack 
within my lab and then re-housing all my compute, storage, APC and such. 
Mate I would love to be able to even be considered worthy of working 
with you guys regardless of location or position!


Sadly I'm stuck at present working on my little start-up finding avenues 
of funding, trading and the like along with business mentoring(I'm 
really not directly "businessman" sort of minded) so it's a learning 
curve for myself and while all that being said, residing here in the 
Midlands, UK.


I'll keep an eye out for more, proper jealous of anyone being taken on now!

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On 11/04/2019 16:08, Stu Midgley wrote:

Morning y’all.

We are hiring - a large number of positions around the world.

Come and help me build the worlds largest compute system.

https://dug.com/careers-at-dug/

Stu.

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sdm...@gmail.com <mailto:sdm...@gmail.com>

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Re: [Beowulf] Introduction and question

[Darren Wise]

Another one of us! I got a rush just then when I seen the figures 5-30 
servers in collections and then looked at my home built rig.


https://wisecorp.co.uk/images/1.jpg

https://wisecorp.co.uk/images/2.jpg

https://wisecorp.co.uk/images/3.jpg

*Yes, you belong here, sorry I'm rammed with work currently! But you are 
very welcome and over the period of my membership I've been helped many 
times, even offered an open invite to come and visit a proper 
professional HPC data centre too of which soon I might hope to take them 
up on the offer if it still stands.

You'll meet some very knowledgeable folks here, Welcome any time!

Kind regards,

Darren Wise
wisecorp.co.uk

P.S: If you spot any drink or drugs in the images, I never posted them.. 
Right?? (but want them back) I'm only kidding! Honestly!


On 25/02/2019 14:38, Andrew Holway wrote:

One of us. One of us.

On Sat, 23 Feb 2019 at 15:41, Will Dennis <mailto:wden...@nec-labs.com>> wrote:


Hi folks,

I thought I’d give a brief introduction, and see if this list is a
good fit for my questions that I have about my HPC-“ish”
infrastructure...

I am a ~30yr sysadmin (“jack-of-all-trades” type), completely
self-taught (B.A. is in English, that’s why I’m a sysadmin :-P)
and have ended up working at an industrial research lab for a
large multi-national IT company (http://www.nec-labs.com). In our
lab we have many research groups (as detailed on the
aforementioned website) and a few of them are now using “HPC”
technologies like Slurm, and I’ve become the lead admin for these
groups. Having no prior background in this realm, I’m learning as
fast as I can go :)

Our “clusters” are collections of 5-30 servers, all collections
bought over years and therefore heterogeneous hardware, all with
locally-installed OS (i.e. not trad head-node with PXE-booted
diskless minions) which is as carefully controlled as I can make
it via standard OS install via Cobbler templates, and then further
configured via config management (we use Ansible.) Networking is
basic 10GbE between nodes (we do have Infiniband availability on
one cluster, but it’s fell into disuse now since the project that
has required it has ended.) Storage is one or more traditional NFS
servers (some use ZFS, some not.) We have within the past few
years adopted Slurm WLM for a job-scheduling system on top of
these collections, and now are up to three different Slurm
clusters, with I believe a fourth on the way.

My first question for this list is basically “do I belong here?” I
feel there’s a lot of HPC concepts it would be good for me to
learn, so as I can improve the various research group’s computing
environments, but not sure if this list is for much larger “true
HPC” environments, or would be a good fit for a “HPC n00b” like me...

Thanks for reading, and let me know your opinions :)

Best,

Will

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[Beowulf] Forget my last, (MPI-bash)

[Darren Wise]

Sorry, please forget my last, MPI-bash could be the solution to this and I'll 
give it a try :)

> Kind regards,
> Darren Wise Esq, 
> 
> www.wisecorp.co.uk> www.wisecorp.co.uk/babywise
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[Beowulf] Generation of strings MPI fashion..

[Darren Wise]

Heya folks, 
This may seem really simple to some and it is fairly simple from the terminal 
using bash of generation and sorting (examples below)
What I would like to do, to get started with making a program to run in MPI on 
my cluster.. I thought of a fairly simple bash script and this works fine for a 
single machine but what is the best way to go around it or converting this 
simple notion in to an MPI runable command.
Generates random strings of chars:$ tr -cd '[upper:]' < /dev/random | fold -w9 
| head -c${1:-1000} | tee somefile.txt
Removes duplicate lines:$ sort filename.txt | uniq
This is fine for generation as I mention for a single machine, but what's the 
best way to turn this around and use MPI with a shared NFS mounted filesystem..
While this is an example im going to generate a bash script to allow me to 
generate every possible permutation of a desired string length along with types 
of chars a-z, A-Z, 0-9 along with symbols..
So any advice is welcome really and it's just an educational way for me to 
transpire into generating code that can be used within my small beowulf.
> Kind regards,
> Darren Wise Esq.>
> www.wisecorp.co.uk> www.wisecorp.co.uk/babywise
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[Beowulf] Information to share.

[Darren Wise]

Heya folks, ive had a couple of links sent to me that I asked for which is 
amazing.
I'm compiling as much as I can as and when time is free, I will also begin to 
mirror all sorts of data to the pages I create too and when the time comes I 
can also subdomain the entire amassed data and make it more dynamic.
For now I've got a template forming, nothing too fancy I might add but it could 
be a good way for us all to send things and other folks or anything else 
really..
Just call it a fancy pastebin dump in a few months or something.
http://www.wisecorp.co.uk/hpc.html 
I've literally only just uploaded it with some code snippets edited, so don't 
expect a fully fledged and well stocked bunch of pages okay :D
-logo would be nice, or given rights to use our beowulf.org logo?
What else can we do together and what can't we do?
I have a few dedicated servers almost doing nothing, a couple of VPS, unlimited 
data storage and a few Web servers hanging around all with between 10Mbit and 
1000Mbit connections..

> Kind regards,
> Darren Wise Esq, 
> B.Sc, HND, GNVQ, City & Guilds.
> 
> Managing Director (MD)
> Art Director (AD)
> Chief Architect/Analyst (CA/A)
> Chief Technical Officer (CTO)
> 
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[Beowulf] Six card GPU node.

[Darren Wise]

Heya guys,
Well my Beowulf is still building with 6 nodes and a master sever containing a 
total of 56 2.10Ghz AMD 2373EE cores (dual socket, quad cores) nd while I'm 
working this up to around 12 nodes and a master creating a total of 218.4Ghz 
CPU.
I've ran into a right issue, I wanted to apply some GPU hardware, just as a 
little boost using the old GTX570 PCI-E x16 spare slot within each node, sadly 
this have given me some serious heartburn.. And I already knew the card itself 
would not even entertain being seated with a 1U node, but the use of an PCI-E 
ribbon extenders might have solved the issue..
Even more sadly, haha and even with the motherboard being able to accept 
version 3.0 standards while the GTX570 will be fine with version 2.0 PCI-E 
standards (and their mainly backwards compatible) it would not even get past 
the bios, infact I reckon it was halting even prior to that no matter how much 
juice I fed the card or the BIOS settings..
So neglecting all of this, I took some old skills and knowledge from the 
BitCoin ladies, purchased a ASROCK H81 pro board, (6 PCI-E slots see) steadily 
collecting GTX570 cards from CEX stores around the country online and I'm 
building a single GPU node instead..
Now I know what your going to say, why use these old boring GTX570 cards with 
only 480 CUDA cores, firstly each card is only £35 GBP, two year warranty to 
boot. So for £210 I can get myself 2880 CUDA cores and it will give me time to 
save up for upgrading these to GTX1080 cards as the price falls over a period 
of another year. 
It will also help me get used to managing a multi card GPU cluster node, albeit 
second hand parts, but you have to start somewhere don't you. It also outs a 
bit more life into some older cheap, used cards!
By all means I would love to employ a 4U node decked out with XEON Phi cards, 
infact a complete rack full of them but the cheapest I can get my hands on a 
knights landing card is coming close to over £500 GBP and I reckon these 6 in 
total GPU cards will be much faster and also easier to work with, it's both 
nice that the XEON Phi cards have an inbuilt Linux OS subsystem but it's a bit 
of a bummer sometimes and to really eek out the extra horsepower that you 
really need some serious code tailoring to get you there..
I find that in itself the major drawback of folks buying into the XEON Phi 
family for coprocessing or offloading needs..
I do hope someone comes along with an idea I had many years ago to use SoC 
technology, I even have a 20x20mm ARM big.LITTLE SoC sat on my desk with 64 
inbuilt ALU/Crypto/GPU cores and an array of these on a single PCI-E card I 
think would really make a good game changer in the coprocessing market.. 
(anyone want to invest in my PCB{shameless plug})
Anyway, my home lab beowulf cluster experience and experiments are doing well 
regardless of the hiccups and total waste of time spent on some areas.. It's 
all going nicely indeed :)

*I wonder, if everyone would like to post links of software they use with 
regards to beowulf and clustering so that I may catalogue all these links and 
put them in an html document on my company server, might help us all out or in 
the future :D

> Kind regards,
> Darren Wise Esq, 
> B.Sc, HND, GNVQ, City & Guilds.
> 
> Managing Director (MD)
> Art Director (AD)
> Chief Architect/Analyst (CA/A)
> Chief Technical Officer (CTO)
> 
> www.wisecorp.co.uk> www.wisecorp.co.uk/babywise
> www.darrenwise.co.uk___
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[Beowulf] Finally, she's working properly :) * I think..

[Darren Wise]

Heya guys and gals,
I had to take a week off due to the birth of a new nipper and it's been on 
hands on deck here, plus it's the summer holidays and this is my fourth 
biological child and also two step children in their teens..
So its a tad bit busy around here!
Anyway, I was having terrible trouble with not even touching a beowulf since I 
setup a 200 node beowulf for saab when I worked for a firm in finland, after 
the dot com bubble bursting allot of the fun went out the window and so did 
investment in to ventures like this, but I did consider it to be more along the 
lines of trimming the fat off the industry as we knew it then..
So you can imagine my view of this, it's like starting again but knowing how to 
roughly balance the bike, but not while pedalling..
Long story short, it's all installed, running well and even with the dated idea 
of MPICH2 version 3? I imagine.. I've test ran hellow, pmandel and also cpi  
(flexing some pi calculations) and i've also manged to flex it a little bit 
more by installing and getting JtR (John the Ripper) to actually function or me 
actually finding out how to get it to function with little more then a few 
hours actually here an their using it..
But none the less, it's working just fine now.. Trust my luck, I'll shut it all 
down for the duration of me getting to sleep, boot it all back up and find my 
hard drives have melted..
So what have you all been doing with you're clusters, I see some of you work 
for some quite niche markets within parallel computing and deep big data mining 
because I've glanced at some of your signature links ;)
Just curious to know how many of you do your own thing on your own equipment 
regardless of it being on site or off..
I'm interested ;)

> Kind regards,
> Darren Wise Esq, 
> B.Sc, HND, GNVQ, City & Guilds.
> 
> Managing Director (MD)
>
> www.wisecorp.co.uk > www.darrenwise.co.uk___
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[Beowulf] Would anyone be willing to lend me a bit of support?

[Darren Wise]

Heya folks,
This is my first post to the group, I was wondering if anyone could lend me a 
hand..
I have followed an installation method which has worked a treat so far, if a 
little outdated.
But none the less it's all installed and configured to what I assume is 
correct, ive even gone as far to disable ufw, even the firewall on the nodes 
and the router here at home but still I cannot get mpd? Mpich to I assume start 
handing out even the examples to be compiled for testing.
I wanted to keep this short so have not gone in to any depth here regarding the 
method of install, OS or anything an this is solely not to bore you with my 
first post.
So I'm just touching base and looking around for some helpful folks before we 
go further in to the abyss of even getting to the bottom of this saga.
> Kind regards,
> Darren Wise Esq, 

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