Re: [Beowulf] Opinions of Hyper-threading?

2008-02-26 Thread Mark Hahn
And today memory access can stall up to hundreds of cycles, so any processor can hide this latency by switching to another thread. My gosh ... we have re-invented the Tera MTA. ... I think the reason we both know what that name means is that they had (have?) a nugget of truth. after all, a

Re: [Beowulf] Opinions of Hyper-threading?

2008-02-26 Thread Joe Landman
Mark Hahn wrote: And today memory access can stall up to hundreds of cycles, so any processor can hide this latency by switching to another thread. My gosh ... we have re-invented the Tera MTA. ... I think the reason we both know what that name means is that they had (have?) a nugget of t

Re: [Beowulf] Opinions of Hyper-threading?

2008-02-26 Thread Joe Landman
Bruno Coutinho wrote: Yes, and more than an out of order processor. A out of order processor, can reorder the instructions whenever a hazard occurs. A in order processor, on the other hand, has to wait. With SMT, it can switch to another thread. And today memory access can stall up to hund

Re: [Beowulf] Opinions of Hyper-threading?

2008-02-26 Thread Bruno Coutinho
2008/2/25, Geoff Jacobs <[EMAIL PROTECTED]>: > > Bill Broadley wrote: > > I believe it's actually simultaneous, instructions from 2 different > > processes can run in the same cycle against 2 different register files. > > > > Other chips have vertical multithreading where only 1 process runs in > >

Re: [Beowulf] Structural analysis and design

2008-02-26 Thread Peter St. John
I'd ask Civil Engineers, I think. I see at http://www.icivilengineer.com/Software_Guide/Structural_Analysis/ (which has descritptions and "free demos" of various CE software packages) that Etabs is "A suite of linear & nonlinear static & dynamic analysis & design of building systems. " The term "st

Re: [Beowulf] centos5 as cluster os

2008-02-26 Thread Joe Landman
Toon Moene wrote: Three months ago I bought a machine (from a vendor I won't name, because it was HP), that featured a 320 Gbyte IDE drive and a (removable, but Heh... kept installed in my case) 320 Gbyte SCSI device). The Stable install went fine - IDE drive got /dev/hda1 (swap) and /de

Re: [Beowulf] centos5 as cluster os

2008-02-26 Thread Toon Moene
Tim Cutts wrote: I've been a Debian Developer for more than 10 years, but I bought that book last year and it's still teaching me useful stuff. Several of us in my group have bought it now, and we all swear by it. Pretty much everything it says about Debian applies to Ubuntu as well. This

Re: [Beowulf] Implementation thru Sun Grid Engine

2008-02-26 Thread Sangamesh B
I had posted this to gridengine mailing list previous to Beowulf. But did not get response. Any how I've resolved the issues.. Thanks for your response. regards, Sangamesh On Mon, Feb 25, 2008 at 12:00 PM, Joe Landman < [EMAIL PROTECTED]> wrote: > Mark Hahn wrote: > >> Can anyone help me out t

[Beowulf] Structural analysis and design

2008-02-26 Thread PN
hi all, our department is using Etabs for structural analysis and design in windows platform, we want to find that kind of programs that can be run in beowulf cluster. does anyone have ideas about it? thanks in advance, PN ___ Beowulf mailing list, Beow

Re: [Beowulf] Opinions of Hyper-threading?

2008-02-26 Thread Peter St. John
Slashdot points to Daily Tech with the headline "Sun leaks 6 core...Nehalem Details" at http://www.dailytech.com/Sun%20Leaks%206core%20Intel%20Xeon%20Nehalem%20Details/article10834.htm Peter On Mon, Feb 25, 2008 at 5:04 PM, James Cownie <[EMAIL PROTECTED]> wrote: > > On 25 Feb 2008, at 19:40, Ge

Re: [Beowulf] cell processors

2008-02-26 Thread andrew holway
mmm, I was interested in getting some bio benchmarks. See how they weigh up. On Tue, Feb 26, 2008 at 3:36 PM, Joe Landman <[EMAIL PROTECTED]> wrote: > andrew holway wrote: > > Has anyone got any up and running? What are you doing with them etc? > > For computing ... ? :) Oh, their other use ..

Re: [Beowulf] cell processors

2008-02-26 Thread Li, Bo
Cell is a great processor for HPC in most of areas if you can get the data transferring well planned. Generally, a DP version Cell can show about 90GFlops in DP Linpack. And the performance depends on the tuning greatly. Regards, Li, Bo - Original Message - From: "andrew holway" <[EMAIL

Re: [Beowulf] cell processors

2008-02-26 Thread Joe Landman
andrew holway wrote: Has anyone got any up and running? What are you doing with them etc? For computing ... ? :) Oh, their other use ... Various bio and chem apps are being ported. -- Joseph Landman, Ph.D Founder and CEO Scalable Informatics LLC, email: [EMAIL PROTECTED] web : http://www.s

[Beowulf] cell processors

2008-02-26 Thread andrew holway
Has anyone got any up and running? What are you doing with them etc? Cheers Andrew ___ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf