Re: [Beowulf] Beowulf SysAdmin Job Description

2009-05-07 Thread Greg Lindahl
On Thu, May 07, 2009 at 06:10:53PM -0500, Gerald Creager wrote: > I think I've said this before here, but I'll risk it again... Nothing > scares me more than a PhD oceanographer with 2 formal courses in Fortran > in his educational summary... I think you just described John McCalpin. You kn

Re: [Beowulf] Beowulf SysAdmin Job Description

2009-05-07 Thread Gerald Creager
Nicholas M Glykos wrote: Too many Ph.D persons (in fields other than Computer Science) assume that any sort of computer work is something they could do in their spare time, if they just took the time. Taking your point to its diametrically opposite extreme, I have repeatedly been told that

Re: [Beowulf] newbie

2009-05-07 Thread Greg Lindahl
On Thu, May 07, 2009 at 05:43:02PM -0400, Mark Hahn wrote: >> Probably AMD had been thinking hard on this and decided to make compilers at >> last. http://developer.amd.com/cpu/open64/pages/default.aspx > > interesting. it wasn't obvious at a glance how this actually differed > from gcc. besides

Re: [Beowulf] newbie

2009-05-07 Thread Mark Hahn
Probably AMD had been thinking hard on this and decided to make compilers at last. http://developer.amd.com/cpu/open64/pages/default.aspx interesting. it wasn't obvious at a glance how this actually differed from gcc. besides a comparison on real code, it would be interesting to know the rea

Re: [Beowulf] Entry Level HPC?

2009-05-07 Thread Mark Hahn
First question: Any point in trying to use the Everex gPC with the Via C-7 cpu (my current desktop) as the master node? sure, why not? your taste determines the layout of services. a cluster typically needs several admin services: - dhcp/tftp (pxe) for booting, if you do it that way.

Re: [Beowulf] one vs two memory sticks

2009-05-07 Thread Mark Hahn
I was wondering for a core2 machine with two ddr2 channels. What whould give the best preformance in term of the number of memory sticks. the details differ, but the principle is the same for all computers/controllers/etc: more loads on a bus reduces its clock. ie, putting > 1 dimm on a single

Re: [Beowulf] Using commercial clouds for HPC

2009-05-07 Thread Bill Broadley
stephen mulcahy wrote: > Hi, > > I'm pretty sure this came up in some shape or form at some stage on this > list but after extensive Googling and Swishing(!?) of the list I can't > find anything concrete so apologies if I'm restarting an old thread. > > Has anyone done any investigation into usin

Re: [Beowulf] Using commercial clouds for HPC

2009-05-07 Thread Rayson Ho
See Edward Walker's paper: http://www.usenix.org/publications/login/2008-10/openpdfs/walker.pdf Rayson On Thu, May 7, 2009 at 2:19 PM, stephen mulcahy wrote: > Hi, > > I'm pretty sure this came up in some shape or form at some stage on this > list but after extensive Googling and Swishing(!?)

Re: [Beowulf] Beowulf SysAdmin Job Description

2009-05-07 Thread Nicholas M Glykos
> Too many Ph.D persons (in fields other than Computer Science) assume > that any sort of computer work is something they could do in their > spare time, if they just took the time. Taking your point to its diametrically opposite extreme, I have repeatedly been told that I should stop writing

[Beowulf] Using commercial clouds for HPC

2009-05-07 Thread stephen mulcahy
Hi, I'm pretty sure this came up in some shape or form at some stage on this list but after extensive Googling and Swishing(!?) of the list I can't find anything concrete so apologies if I'm restarting an old thread. Has anyone done any investigation into using commerical clouds such as Amaz

Re: [Beowulf] Beowulf SysAdmin Job Description

2009-05-07 Thread Douglas Guptill
Amen to that! Too many Ph.D persons (in fields other than Computer Science) assume that any sort of computer work is something they could do in their spare time, if they just took the time. These persons do not acknowledge that, since the 1960's, the art and science of programming and sysadmin'in

[Beowulf] noob Root-NFS question

2009-05-07 Thread Cocoy Dayao
Dear list, I'm not sure if this is the right forum for this. But anyway here goes. i hope you could help me out. So I wanted to play around with building my own Beowulf Cluster. Yes, I know there are easier ways to do this. Automated tools like Caos Linux, etc. etc. Anyway, I wanted to us

Re: [Beowulf] newbie

2009-05-07 Thread Balamurugan
On Sun, May 3, 2009 at 5:12 AM, Greg Lindahl wrote: > > [Intel and Shanghai] > > > Is this deliberate? > > > > In the sense that they have no desire to support > > competitors hardware, yes. Not really surprising, > > if AMD made compilers I doubt they'd try and do > > Intel specific optimisation

Re: [Beowulf] newbie

2009-05-07 Thread malcolm Crouch
Hiya , Are there any academic papers which compare and evaluate compilers for distributed computing ? Cheers Malcolm On Sat, May 2, 2009 at 10:21 AM, Chris Samuel wrote: > > - "Gus Correa" wrote: > > > Hi Chris, list > > Hiya, > > > Thanks for the info! > > Not a problem! > > > I have be

Re: [Beowulf] Entry Level HPC?

2009-05-07 Thread Tim Kissane
Thanks to all for the great advice and encouragement! I'm sure I'll be back with questions as I cobble together a small, slow cluster here. Wth, my first Linux box was a 386 with 16MB RAM and a 500MB hard drive. ;) First question: Any point in trying to use the Everex gPC with the Via C-7 cpu (my

[Beowulf] one vs two memory sticks

2009-05-07 Thread Micha Feigin
I was wondering for a core2 machine with two ddr2 channels. What whould give the best preformance in term of the number of memory sticks. As far as I know with core i7 it is best to put one memory stick per channel, but as the core2 still connects via the north side bus I was wondering if things a