Re: [Beowulf] NSLU2 as part of a low end cluster

2007-03-09 Thread Jim Lux
At 01:54 PM 3/9/2007, Geoff Jacobs wrote: Gerald Davies wrote: > On 08/03/07, Jim Lux <[EMAIL PROTECTED]> wrote: >> Has anyone tried using the LinkSys NSLU2 (aka, the "slug") as a >> server in a small demo cluster? >> (http://en.wikipedia.org/wiki/NSLU2 for more info) >> Seems that people get 5 M

Re: [Beowulf] NSLU2 as part of a low end cluster

2007-03-09 Thread Geoff Jacobs
Gerald Davies wrote: > On 08/03/07, Jim Lux <[EMAIL PROTECTED]> wrote: >> Has anyone tried using the LinkSys NSLU2 (aka, the "slug") as a >> server in a small demo cluster? >> (http://en.wikipedia.org/wiki/NSLU2 for more info) >> Seems that people get 5 MB/sec sorts of speeds with NFS or FTP. While

[Beowulf] Playstation cluster

2007-03-09 Thread Peter St. John
I was a little bummed about about a basketball game last night (NC State eliminated Duke from a tournament) and today looked at State's site for their POV regarding that, but happened to notice http://news.ncsu.edu/releases/2007/march/041.html, their clulster of Playstation 3's. It's hard to feel

Re: [Beowulf] number of NFS daemons

2007-03-09 Thread Paul Armor
With 780 compute nodes, we're running with reasonable success at 256. Cheers, Paul On Thu, 8 Mar 2007, Buccaneer for Hire. wrote: Today, we get really good results setting the treads to 64. ___ Beowulf mailing list, Beowulf@beowulf.org To change you

Re: [Beowulf] number of NFS daemons

2007-03-09 Thread Craig West
There is a section on Optimizing NFS Performance on the NFS sourceforge site. In summary they say that the number of NFS daemons should be 4-8 per processor. The article also tells you how to read some of the files in /proc to work out how much work the daemons are doing. Look at section 5.6

[Beowulf] [CFP] EuroPVM/MPI'07

2007-03-09 Thread Derrick Kondo
*** *** ***CALL FOR PAPERS *** *** *** **

Re: [Beowulf] NSLU2 as part of a low end cluster

2007-03-09 Thread Gerald Davies
On 08/03/07, Jim Lux <[EMAIL PROTECTED]> wrote: Has anyone tried using the LinkSys NSLU2 (aka, the "slug") as a server in a small demo cluster? (http://en.wikipedia.org/wiki/NSLU2 for more info) Seems that people get 5 MB/sec sorts of speeds with NFS or FTP. While no ball of fire speed wise, it i

RE: [Beowulf] IB switches: managed or not?

2007-03-09 Thread Steve Phillips \(stevep\)
Hi Bill, There is a process that enables you to get a software emtitlement to receive software updates from Cisco, but it appears that it didn't reach all our customers - please accept our apologies. I have escalated to the Cisco SFS product managers (Topspin = SFS) to look into the situation and

Re: [Beowulf] IB switches: managed or not?

2007-03-09 Thread Andrew Robbie (GMail)
Thanks to everyone that replied to my questions, it has been most helpful. Cheers, Andrew ___ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf

Re: [Beowulf] HPL on an ad-hoc cluster

2007-03-09 Thread Lombard, David N
On Wed, Mar 07, 2007 at 06:12:33PM +0200, Olli-Pekka Lehto wrote: > I'm currently evaluating the possibility of building a ad-hoc cluster > (aka. flash mob) at a large computer hobbyist event using Linux live > CDs. The "cluster" would potentially feature well over a thousand > personal computer

Re: [Beowulf] Benchmark between Dell Poweredge 1950 And 1435

2007-03-09 Thread Richard Walsh
Robert G. Brown wrote: Both good points. And those of us who have been around a while recall the "thermal throttle" that Intel in particular had installed on their CPUs for a while. You'd buy what was it a 1.6 GHz CPU at great expense, then run it flat out and as it got hot, it would suddenly u

Re: [Beowulf] Benchmark between Dell Poweredge 1950 And 1435

2007-03-09 Thread Robert G. Brown
On Fri, 9 Mar 2007, Mike Davis wrote: As usual, excellent information RGB. The only thing that I might add which you alluded to is that even given the same processor, and memory an application may or may not be faster on one machine as opposed to another. A quality MB can offer you increased

Re: [Beowulf] Benchmark between Dell Poweredge 1950 And 1435

2007-03-09 Thread Mike Davis
As usual, excellent information RGB. The only thing that I might add which you alluded to is that even given the same processor, and memory an application may or may not be faster on one machine as opposed to another. A quality MB can offer you increased performance. Then there's the houseke

Re: [Beowulf] Benchmark between Dell Poweredge 1950 And 1435

2007-03-09 Thread Robert G. Brown
On Thu, 8 Mar 2007, Bill Broadley wrote: As Robert Brown (and others) so eloquently said. Nothing is better than your actual application with your actual input files in an actual production run. ... So all the above is just so much handwaving, any of dozens of factors could double of hal