Re: [Beowulf] Utility Supercomputing...

2013-03-04 Thread Mark Hahn
>> again, if you have a bursty load, you want to use a shared facility, >> of which, EC2 spot instances is just one example. > > When talking of using a shared facility: The advantage I've > sometimes seen for "cloud" over the traditional "get time on a > shared cluster" I should be clear - the ki

Re: [Beowulf] Innovative liquid cooling

2013-03-04 Thread Lux, Jim (337C)
http://hometown-pasadena.com/history/a-very-punny-mystery-resolved/8428 Reddi-Whip is VERY different from Cool-Whip.. the former is basically whipping cream (with sugar and carageneen) in a can pressurized with nitrous oxide (which has good properties for whipping cream). Consumption of the pro

Re: [Beowulf] Themes for a talk on beowulf clustering

2013-03-04 Thread Lux, Jim (337C)
I think the change in scale over the past 10-15 years is interesting, and especially the changes in architecture that result from this. Going from 8-16 processors to 1000s is a big change. Bisection bandwidth on your comm fabric. How do you boot.. 8 processors can be booted sequentially or si

Re: [Beowulf] Utility Supercomputing...

2013-03-04 Thread Adam DeConinck
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 > again, if you have a bursty load, you want to use a shared facility, > of which, EC2 spot instances is just one example. When talking of using a shared facility: The advantage I've sometimes seen for "cloud" over the traditional "get time on a s

Re: [Beowulf] Innovative liquid cooling

2013-03-04 Thread Hearns, John
Jorg, Thanks for the the additional details. You addressed all of my concerns. I wish the original article had these details. Unfortunately, I think the original article simplified things a bit to much, and was a bit optimistic about running one of these in a dessert. Oh come on. We've had so

Re: [Beowulf] Utility Supercomputing...

2013-03-04 Thread Reuti
Am 04.03.2013 um 12:38 schrieb Hearns, John: >> Utility being a phrase that identifies how one can >> turn on and off resource at the drop of a hat. If you are running >> nodes 100% 365d/y on prem is still a serious win. If you have the odd >> monster run, or are in a small shop with no access t

Re: [Beowulf] Utility Supercomputing...

2013-03-04 Thread Douglas Eadline
>> http://www.hpcwire.com/hpcwire/2013-02-28/utility_supercomputing_heats_up.html > > well, it's HPC wire - I always assume their name is acknowledgement that > their content is much like "HPC PR wire", often or mostly > vendor-sponsored. > call me ivory-tower, but this sort of thing: > > Cy

Re: [Beowulf] Innovative liquid cooling

2013-03-04 Thread Prentice Bisbal
On 03/04/2013 09:26 AM, Hearns, John wrote: > Jorg, > > Thanks for the the additional details. You addressed all of my concerns. > I wish the original article had these details. Unfortunately, I think > the original article simplified things a bit to much, and was a bit > optimistic about running o

Re: [Beowulf] Innovative liquid cooling

2013-03-04 Thread Prentice Bisbal
Jorg, Thanks for the the additional details. You addressed all of my concerns. I wish the original article had these details. Unfortunately, I think the original article simplified things a bit to much, and was a bit optimistic about running one of these in a dessert. -- Prentice On 03/01/201

Re: [Beowulf] Utility Supercomputing...

2013-03-04 Thread James Cuff
On Sun, Mar 3, 2013 at 12:31 PM, Mark Hahn wrote: >>> >>> I'm guessing the answer is that your market is mainly people who are too >>> self-important (anything health- or finance-related) to do it themselves >>> (or join a coop/consortium), or else people just getting their toes wet. > > > James,

Re: [Beowulf] Utility Supercomputing...

2013-03-04 Thread Mark Hahn
>> Utility being a phrase that identifies how one can >> turn on and off resource at the drop of a hat. If you are running >> nodes 100% 365d/y on prem is still a serious win. If you have the odd >> monster run, or are in a small shop with no access to large scale >> compute, utility is the only

Re: [Beowulf] Utility Supercomputing...

2013-03-04 Thread Hearns, John
> Utility being a phrase that identifies how one can > turn on and off resource at the drop of a hat. If you are running > nodes 100% 365d/y on prem is still a serious win. If you have the odd > monster run, or are in a small shop with no access to large scale > compute, utility is the only way

Re: [Beowulf] Themes for a talk on beowulf clustering

2013-03-04 Thread Hearns, John
Given that this a talk to a LUG, how about: Introducing what a supercomputer is Take a look at the top500 list - and point out that around 90% of the systems there run Linux Maybe as a theme for your talk take the Linux kernel - it runs on everything from an embedded device, though an Android