Re: [Beowulf] Minimum cable length

2006-03-22 Thread Jim Lux
At 07:41 PM 3/22/2006, [EMAIL PROTECTED] wrote: Dear Great Minds Not strictly a Beowulf question but I suspect knowledge on the topic lurks herein. I can't seem to find a straight answer on the "real" *minimum* cable length for gigabit ethernet. I'm looking to make things on my new toy nice

[Beowulf] Minimum cable length

2006-03-22 Thread steve_heaton
Dear Great Minds Not strictly a Beowulf question but I suspect knowledge on the topic lurks herein. I can't seem to find a straight answer on the "real" *minimum* cable length for gigabit ethernet. I'm looking to make things on my new toy nice and tidy. Assume Cat5e/Cat6 cable, Intel e1000 NIC

Re: [Beowulf] Vector coprocessors AND CILK

2006-03-22 Thread Jim Lux
At 11:16 AM 3/22/2006, Vincent Diepeveen wrote: - Original Message - From: "Jim Lux" <[EMAIL PROTECTED]> If it's a full custom chip, figure a "first chip" cost of $2M. (layout, a couple spins, etc., but assuming you know basically what the chip is supposed to do and how to do it) M

[Beowulf] Pah!

2006-03-22 Thread steve_heaton
> but something intended to cream off the university world. Those universities waste money by the shitload, [Troll] Yeah, what have the Romans^H^H^H^H^H^HUniversities ever done for us? Look at the commercial world for how things *should* be done... companies like MCI Worldcomm or Enron. And as f

Re: [Beowulf] anyone coming to LinuxWorld Boston?

2006-03-22 Thread Donald Becker
On Wed, 22 Mar 2006, Lawrence Stewart wrote: > I'll just be attending to look at the exhibits because I am local, > but it would be great to say As usual, I'll be there. And as usual, we have a new release ready in time for LinuxWorld. But we aren't doing any big technology introductions (th

[Beowulf] anyone coming to LinuxWorld Boston?

2006-03-22 Thread Lawrence Stewart
I'll just be attending to look at the exhibits because I am local, but it would be great to say hello. -Larry Stewart / engineer at SiCortex building a cool, but still stealthy, cluster machine ___ Beowulf mailing list, Beowulf@beowulf.org To cha

RE: [Beowulf] Vector coprocessors AND CILK

2006-03-22 Thread Bill Harman
Should the question not be: how much are you willing to pay. If you only get a 2X speed up in your run time for $10K, then you will buy more nodes. If you get a 10X, you may call it a wash and could go either way. If you see a 1000X then you will pay a great deal more than $10K. I have seen a bi

Re: [Beowulf] Vector coprocessors AND CILK

2006-03-22 Thread Vincent Diepeveen
- Original Message - From: "Bill Harman" <[EMAIL PROTECTED]> To: "'Vincent Diepeveen'" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; "'Jim Lux'" <[EMAIL PROTECTED]> Cc: Sent: Wednesday, March 22, 2006 11:05 PM Subject: RE: [Beowulf] Vector coprocessors AND CILK Should the question not

Re: [Beowulf] Disks fail at what acceleration?

2006-03-22 Thread Jim Lux
At 01:24 PM 3/22/2006, David Mathog wrote: Anybody know how many g's a typical disk can withstand before it fails? A lot more than 1g... You can take a (running) disk and move it through a variety of orientations without any problem. That would put a lot more load on the bearings, etc. than

[Beowulf] Disks fail at what acceleration?

2006-03-22 Thread David Mathog
Anybody know how many g's a typical disk can withstand before it fails? My earthquake bolted rack might stay upright through the big 7.0 and yet still be very much damaged afterwards due to head crashes on the disks. Thanks, David Mathog [EMAIL PROTECTED] Manager, Sequence Analysis Facility, Bio

Re: [Beowulf] Remote Console

2006-03-22 Thread John Hearns
On Wed, 2006-03-22 at 09:00 -0500, Luis Alejandro del Castillo Riley wrote: > Hi fellows i have 5 pcs one is my master computer and the others are > the slaves machines i am trying to build a cluster and i am looking > for a program can do a remote console > or desktop from the master pc to the oth

RE: [Beowulf] Remote Console

2006-03-22 Thread Mitchell, Sean HE0
I'm not sure if this is what you are looking for, but www.realvnc.com allows you to remote control across different platforms.  On most distros of Linux, a VNC server is already included (x11vnc is the server included with xwindows, krdc is a client included with kde).  Most (all?) of these

Re: [Beowulf] Vector coprocessors AND CILK

2006-03-22 Thread Vincent Diepeveen
- Original Message - From: "Jim Lux" <[EMAIL PROTECTED]> To: "Vincent Diepeveen" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Cc: Sent: Wednesday, March 22, 2006 6:00 AM Subject: Re: [Beowulf] Vector coprocessors AND CILK At 07:18 PM 3/21/2006, Vincent Diepeveen wrote: - Original M

[Beowulf] Call for papers : Wavelet Applications in Industrial Processing IV

2006-03-22 Thread Wavelet colloque
*** Call for Papers and Announcement *** Wavelet Applications in Industrial Processing IV (SA209) Part of SPIE’s International Symposium on Optics East 2006 1-4 October 2006 • Boston Marriott Copley Place • Boston, MA, USA --- Abstract Due Date: 25 March 2006 --- --- Manuscript Due Date: 4 Sep

[Beowulf] Remote Console

2006-03-22 Thread Luis Alejandro del Castillo Riley
Hi fellows i have 5 pcs one is my master computer and the others are the slaves machines i am trying to build a cluster and i am looking for a program can do a remote console or desktop from the master pc to the others but not using SSH. The whole idea is find a remplacement of a KVM switch. __

RS: [Beowulf] Cluster newbie, power recommendations

2006-03-22 Thread Alan Ward
Title: RS: [Beowulf] Cluster newbie, power recommendations I have done this for several years. If you remove the video card, CD/DVD units and other power consumers, leaving just a single hard disk and network, a modern PSU in this range is well capable of handling at least two motherboards.

Re: [Beowulf] Re: Cluster newbie, power recommendations

2006-03-22 Thread David Mathog
> Why bother with virtualization? You can do this with any of the freely > available MPI versions. Sure, or PVM. But there's more to running a cluster than just running the parallel code. With virtualization it would be possible to practice setting up a cluster as well, without actually need

Re: cookie tray cluster Re: [Beowulf] Cluster newbie, power recommendations

2006-03-22 Thread Jim Lux
At 06:27 AM 3/22/2006, Andrew Piskorski wrote: On So far the double sided foam tape seems to work very well! I've tried it on a SMALL scale - 3 motherboards. They run memtest86+ just fine, but I have not yet tried network booting Linux on them with Warewulf and actually using them heavily in a

[Beowulf] Sorry, no cookie trays

2006-03-22 Thread Douglas Eadline
Here is the latest on Cluster Monkey: - MPI Debugging (part 1) - Parallel Programming - A new Poll! Cluster Books - Essential Cluster News http://www.clustermonkey.net No cookie trays, but we were thinking of mounting motherboards on the outside of a car so we could cool them by driving ar

cookie tray cluster Re: [Beowulf] Cluster newbie, power recommendations

2006-03-22 Thread Andrew Piskorski
On Tue, Mar 21, 2006 at 06:58:05AM -0500, Robert G. Brown wrote: Subject: Re: [Beowulf] Cluster newbie, power recommendations > On Mon, 20 Mar 2006, Charlie Peck wrote: > >signal back to the power supply. I believe the site that RGB is referring > >to is http://joule.bu.edu/~hazen/LinuxCluster.

Re: [Beowulf] Cluster newbie, power recommendations

2006-03-22 Thread Andrew Piskorski
On Sun, Mar 19, 2006 at 07:09:42PM -0600, Eric Geater at Home wrote: > My greatest question, though, revolves around power distribution. It seems > kinda weak to simply use one PSU per motherboard, especially if I take the > time to devise a cabinet in which to operate the goodies. Is it possibl

Re: [Beowulf] Re: Cluster newbie, power recommendations

2006-03-22 Thread Eugen Leitl
On Tue, Mar 21, 2006 at 10:32:30PM +, John Hearns wrote: > > Not sure of the performance impact of this, but you could look at OpenVZ > > or Xen as well (when it is ready). > Xen has very little impact on performance. I saw some very good figures > at a recent presentation at FOSDEM. The v