Re: [Beowulf] MS Cray

2008-09-16 Thread Tim Cutts
On 16 Sep 2008, at 11:07 pm, Lux, James P wrote: There is a huge psychological advantage to having the computer physically under your management and control. You don't have folks trying to "optimize the use of a valuable institutional resource" with scheduling, etc. You might be willing

Re: [Beowulf] MS Cray

2008-09-16 Thread Greg Lindahl
On Tue, Sep 16, 2008 at 06:39:20PM -0400, Joe Landman wrote: > The question that Cray (and every other vendor building non-commodity > units) is how much better is this than a small cluster someone can > build/buy on their own? My impression has been that so far, there hasn't been a huge mark

Re: [Beowulf] MS Cray

2008-09-16 Thread Gus Correa
Hi Joe and fellow Beowulf fans Joe Landman wrote: Gus Correa wrote: Otherwise, your "newbie scientist" can put his/her earbuds and pump up the volume on his Ipod, while he/she navigates through the Vista colorful 3D menus. Owie I can just imagine the folks squawking about this at SC0

[Beowulf] Re: MS Cray

2008-09-16 Thread David Mathog
Prentice Bisbal <[EMAIL PROTECTED]> wrote: > Quote from article: > > "It's also attempting to lure scientists and researchers with > discretionary IT budgets to forget using shared, giant clusters and get > their own box and tuck it in behind their desk where no one can see it > to run their workl

Re: [Beowulf] MS Cray

2008-09-16 Thread Joe Landman
Gus Correa wrote: Otherwise, your "newbie scientist" can put his/her earbuds and pump up the volume on his Ipod, while he/she navigates through the Vista colorful 3D menus. Owie I can just imagine the folks squawking about this at SC08 "Yes folks, you need a Cray supercomputer to make V

Re: [Beowulf] MS Cray

2008-09-16 Thread Gus Correa
Hi Prentice and Beowulf fans Prentice Bisbal wrote: Gus Correa wrote: Dear Beowulf and COTS fans For those of you who haven't read the news today: http://www.theregister.co.uk/2008/09/16/cray_baby_super/ IGIDH (I guess it doesn't help.) Gus Correa Quote from article: "It's also

Re: [Beowulf] MS Cray

2008-09-16 Thread Alan Louis Scheinine
It can be viewed as a seasonal machine. To save energy in winter some institutions lower the thermostat so that wearing a sweater is necessary. Lucky is the parallel programmer with a mini-cray under the desk. A personal Cray does not simplify life for many people. I heard someone say that the di

RE: [Beowulf] MS Cray

2008-09-16 Thread Lux, James P
James Lux, P.E. Task Manager, SOMD Software Defined Radios Flight Communications Systems Section Jet Propulsion Laboratory 4800 Oak Grove Drive, Mail Stop 161-213 Pasadena, CA, 91109 +1(818)354-2075 phone +1(818)393-6875 fax -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTE

[Beowulf] Re: 10gig CX4 switches

2008-09-16 Thread Greg Lindahl
On Tue, Sep 16, 2008 at 02:16:51PM -0700, Joseph Han wrote: > Not sure if this is beyond your budget, but what about a Force10 S2410? > > http://www.force10networks.com/products/s2410.asp I don't care about the absolute price as long as it's cost effective. It seems that the S2410 is one of thos

Re: [Beowulf] MS Cray

2008-09-16 Thread John Hearns
> > You got me. I saw that when I continued reading the article *after* my > post. I was hoping no one else read the article to the end. > > Noise-cancellation devices may help keep the noise down, but the air > flow under or "behind" a desk is still a problem. Fans can only move air > if there's a

[Beowulf] Re: 10gig CX4 switches

2008-09-16 Thread Joseph Han
Not sure if this is beyond your budget, but what about a Force10 S2410? http://www.force10networks.com/products/s2410.asp Joseph ___ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.be

Re: [Beowulf] MS Cray

2008-09-16 Thread John Leidel
and, a selfish plug: http://insidehpc.com/2008/09/16/cray-announces-mini-supercomputer-line/ On Tue, 2008-09-16 at 16:20 -0400, Gus Correa wrote: > Dear Beowulf and COTS fans > > For those of you who haven't read the news today: > > http://www.theregister.co.uk/2008/09/16/cray_baby_super/ >

Re: [Beowulf] MS Cray

2008-09-16 Thread Prentice Bisbal
John Hearns wrote: > > > 2008/9/16 Prentice Bisbal <[EMAIL PROTECTED] > > > That will work great until the newbie scientists find that airflow into > a computer tucked in "behind their desk where no one can see it" is piss > poor, and that fans powerful enou

Re: [Beowulf] MS Cray

2008-09-16 Thread Prentice Bisbal
Gus Correa wrote: > Dear Beowulf and COTS fans > > For those of you who haven't read the news today: > > http://www.theregister.co.uk/2008/09/16/cray_baby_super/ > > IGIDH (I guess it doesn't help.) > > Gus Correa > Quote from article: "It's also attempting to lure scientists and researchers

[Beowulf] MS Cray

2008-09-16 Thread Gus Correa
Dear Beowulf and COTS fans For those of you who haven't read the news today: http://www.theregister.co.uk/2008/09/16/cray_baby_super/ IGIDH (I guess it doesn't help.) Gus Correa -- - Gustavo J. Ponce Correa, PhD - Email: [EMA

Re: [Beowulf] 10gig CX4 switches

2008-09-16 Thread John Hearns
2008/9/16 Greg Lindahl <[EMAIL PROTECTED]> > I have a bunch of 1gig switches with CX4 10gig uplinks (and empty X2 > ports) and it's time to buy a 10gig switch. Has anyone done a recent > survey of the market? I don't need any layer-3 features, just layer-2. > > Have a look at the Quadrics switches

Re: [Beowulf] 10gig CX4 switches

2008-09-16 Thread Patrick Geoffray
Greg, Greg Lindahl wrote: I see that HP has a 6-port switch for ~ $4k, too small. Don't know if it was specific to the model we tested, but hardware flow control does not work in one direction, even when turned on. Arastra looks nice, except that their inexpensive 10base-CR only does SFP+, n

Re: [Beowulf] stace_analyzer.pl can't work.

2008-09-16 Thread Joe Landman
Jeff Layton wrote: I've never used Mercurial or any other "real" programming tool for tracking changes, but go for it! It forces me to learn it. Common ones these days are Mercurial and git. I prefer the former, it is understandable by mere mortals. I like the idea of a DB, but I'm a bit

Re: [Beowulf] stace_analyzer.pl can't work.

2008-09-16 Thread Jeff Layton
I've never used Mercurial or any other "real" programming tool for tracking changes, but go for it! It forces me to learn it. I like the idea of a DB, but I'm a bit worried that this will get out of hand. It's a simple tool to do a quick analysis (although I have bigger plans in mind). I haven'

Re: [Beowulf] stace_analyzer.pl can't work.

2008-09-16 Thread Joe Landman
A quick patchy-patchy for 310 --- strace_analyzer.pl 2008-09-16 07:57:34.0 -0400 +++ strace_analyzer_new.pl 2008-09-16 08:01:45.0 -0400 @@ -307,7 +307,7 @@ $junk =~ s/[^0-9]//g; # Keep track of total number bytes read - $ReadBytesTotal += $j

Re: [Beowulf] stace_analyzer.pl can't work.

2008-09-16 Thread Jeff Layton
As Mark alluded to, I'm not a Perl person at all :) In fact I used this analyzer as a way to learn some Perl syntax. So I'm looking for advice on how to make it better. Personally I thought about using Python since I know that much better but I wanted to experiment with Perl. I'm keeping some

Re[2]: [Beowulf] Lustre failover

2008-09-16 Thread Jan Heichler
Hallo Bernd, Mittwoch, 10. September 2008, meintest Du: BS> No, you can do active/active with several systems BS> Raid1 BS> / \ BS> OSS1OSS2 BS> \ / BS> Raid2 BS> (Raid1 and Raid2 are hardware raid systems). BS> Now OSS1 will primarily serve Raid1 and O