Re: Commodity supercomputing, was: Re: NDAs Re: [Beowulf] Nvidia, cuda, tesla and... where's my double floating point?

2008-06-30 Thread Chris Samuel
- "John Hearns" <[EMAIL PROTECTED]> wrote: > I'm personally unconvinced of the overwhelming justification > for (say) the Ordnance Survey to give all of its mapping data > away for free. I think their angle is that as a UK taxpayer you already own the data as you paid for them to create it.

Re: Commodity supercomputing, was: Re: NDAs Re: [Beowulf] Nvidia, cuda, tesla and... where's my double floating point?

2008-06-30 Thread Gerry Creager
Joe Landman wrote: Gerry Creager wrote: I'm running WRF on ranger, the 580 TF Sun cluster at utexas.edu. I can complete the WRF single domain run, using 384 cores in ~30 min wall clock time. At the WRF Users Conference last week, the number of folks I talked to running WRF on workstations

Re: Commodity supercomputing, was: Re: NDAs Re: [Beowulf] Nvidia, cuda, tesla and... where's my double floating point?

2008-06-30 Thread John Hearns
On Mon, 2008-06-30 at 20:20 +0200, Toon Moene wrote: > > Since about a year, it's been clear to me that weather forecasting > (i.e., running a more or less sophisticated atmospheric model to provide > weather predictions) is going to be "mainstream" in the sense that every > business that need

Re: [Beowulf] Strange Opteron 2350 performance: Gaussian-03

2008-06-30 Thread Mikhail Kuzminsky
In message from Bernd Schubert <[EMAIL PROTECTED]> (Sat, 28 Jun 2008 19:04:50 +0200): On Saturday 28 June 2008, Li, Bo wrote: Hello, Sorry, I don't have the same applications as you. Did you compile them with gcc? If gcc, then -o3 can do some optimization. -march=k8 is enough I think. As Mik

Re: Commodity supercomputing, was: Re: NDAs Re: [Beowulf] Nvidia, cuda, tesla and... where's my double floating point?

2008-06-30 Thread Joe Landman
Gerry Creager wrote: I'm running WRF on ranger, the 580 TF Sun cluster at utexas.edu. I can complete the WRF single domain run, using 384 cores in ~30 min wall clock time. At the WRF Users Conference last week, the number of folks I talked to running WRF on workstations or "operationally"

Re: Commodity supercomputing, was: Re: NDAs Re: [Beowulf] Nvidia, cuda, tesla and... where's my double floating point?

2008-06-30 Thread Vincent Diepeveen
Toon, Can you drop a line on how important RAM is for weather forecasting in latest type of calculations you're performing? Thanks, Vincent On Jun 30, 2008, at 8:20 PM, Toon Moene wrote: Jim Lux wrote: Yep. And for good reason. Even a big DoD job is still tiny in Nvidia's scale of op

Re: [Beowulf] Re: "hobbyists"

2008-06-30 Thread Vincent Diepeveen
I guess that's why the Dutch Army might be doing experiments with the weather as of lately, without informing the public? - creating fog (during the new years celebratoin i heard huge atmospheric booms which were not caused by fireworks, and despite being a normal temperature far above zero,

Re: Commodity supercomputing, was: Re: NDAs Re: [Beowulf] Nvidia, cuda, tesla and... where's my double floating point?

2008-06-30 Thread Gerry Creager
Toon Moene wrote: Jim Lux wrote: Yep. And for good reason. Even a big DoD job is still tiny in Nvidia's scale of operations. We face this all the time with NASA work. Semiconductor manufacturers have no real reason to produce special purpose or customized versions of their products for spa

Re: [Beowulf] Re: Beowulf Digest, Vol 52, Issue 73

2008-06-30 Thread Jon Aquilina
im guessing when u say 4 gpu's you are talking bout using sli? On Fri, Jun 27, 2008 at 6:54 PM, Alcides Simao <[EMAIL PROTECTED]> wrote: > Is it very difficult to make paralell programs work in a GPU cluster? say, > a single PC with 4 GPUs. I would very much like to put GAMESS and NWCHEM > workin

Re: [Beowulf] Strange Opteron 2350 performance: Gaussian-03

2008-06-30 Thread Bernd Schubert
On Saturday 28 June 2008, Li, Bo wrote: > Hello, > Sorry, I don't have the same applications as you. > Did you compile them with gcc? If gcc, then -o3 can do some optimization. > -march=k8 is enough I think. As Mikhail wrote in his first mail, he uses binaries from Gaussian Inc. Can gfortran in t

Commodity supercomputing, was: Re: NDAs Re: [Beowulf] Nvidia, cuda, tesla and... where's my double floating point?

2008-06-30 Thread Toon Moene
Jim Lux wrote: Yep. And for good reason. Even a big DoD job is still tiny in Nvidia's scale of operations. We face this all the time with NASA work. Semiconductor manufacturers have no real reason to produce special purpose or customized versions of their products for space use, because th

RE: [Beowulf] June New York/Jersey HPC users meeting

2008-06-30 Thread Daniel.Roberts
Anyone have minutes or conclusions to offer from this scheduler smack down? Thanks Dan -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Douglas Eadline Sent: Monday, June 16, 2008 5:47 PM To: beowulf@beowulf.org Subject: [Beowulf] June New York/Jersey HPC

[Beowulf] Re: Beowulf Digest, Vol 52, Issue 73

2008-06-30 Thread Alcides Simao
Is it very difficult to make paralell programs work in a GPU cluster? say, a single PC with 4 GPUs. I would very much like to put GAMESS and NWCHEM working in such machine. However, I don't know how are is the task to achieve. If it was not very difficult, such a device would be a great machine for

Re: [Beowulf] Ottawa Linux Symposium, anyone going?

2008-06-30 Thread Kyle Spaans
On Wed, Jun 25, 2008 at 07:42:31PM -0400, Peter St. John wrote: > You mean the Ottawa Linux Symposium? You have a link for them? Certainly! http://www.linuxsymposium.org/2008/ It's in late July, registration prices by now are getting high though I imagine. (But not for students like me! :P) _