Re: [Beowulf] Tilera to Introduce 64-Core Processor

2007-10-18 Thread Peter St. John
Richard, I found http://www.cis.upenn.edu/~milom/cis501-Fall05/lectures/10_dlp.pdf which I think will clarify this taxonomy for me, and it ties in to the Single/many instruction S/M data thing too. Gosh this "beowulfry" thing has alot of stuff. Arithmetic Algebraic Geometry is simpler. Peter (lyi

Re: [Beowulf] Tilera to Introduce 64-Core Processor

2007-10-18 Thread Peter St. John
Richard, No not at all ("..which you already know"), as you might guess from the abysmal typography of my question, I'm a newbie to distributed computing; I just have a distributable algorithm. 1. I'll try to write a minimal wiki entry for DLP to go along with the existing ones for ILP and MLP, b

Re: [Beowulf] Tilera to Introduce 64-Core Processor

2007-10-18 Thread richard . walsh
-- Original message -- From: "Peter St. John" <[EMAIL PROTECTED]> DLP? Wiki has entries for Indtruction Level Parallelism and Thread LP (alsom Memory LP) but not DLP? Hey Peter, That would be "data level parallelism". So, ILP is very low level parallelism which wor

[Beowulf] Re: [Dulug] Parallel debuggers (fwd)

2007-10-18 Thread Matt Rosing
>Dear MPI Mavens, > >What is the current state of the art for MPI (or PVM or other parallel >code) debuggers? I vaguely recall some review articles on this on CWM >and/or CM, and of course there has been list discussion in the past, but >a quick summary would be very useful. We use two different

Re: [Beowulf] Parallel Development Tools

2007-10-18 Thread LUK ShunTim
Tim Cutts wrote: On 18-Oct-07, [EMAIL PROTECTED] wrote: Thanks, didn't know about the preseeding method. Also, there seems to be a kickstart, at least for ubuntu. Has anyone compared FAI to kickstart (for ubuntu/debian)? [snipped] http://drbl.sourceforge.net/ From the website: "Peacefully

[Beowulf] ScaLAPACK issues

2007-10-18 Thread Andrew
Hi, Antoine! I am interested to use PBLAS functions in my applicattion. I would like to know if there si any possibility to imroove performance for my current platform (Itanium Linux). As I know you are one of the developers of PBLAS. Could you please provide me with some algorithm notes of

Re: [Beowulf] Re: MD check/scrub features

2007-10-18 Thread Peter St. John
Wow; my takeaway is a wiki for man pages, fantastic. It just went above "ugu" on my home page. Thanks! Peter On 10/17/07, Mark Hahn <[EMAIL PROTECTED]> wrote: > > >> not me. raid is too important to be trusted to hardware - have you > >> tried MD's check/scrub features? though afaik it doesn't

Re: [Beowulf] Parallel Development Tools

2007-10-18 Thread Robert G. Brown
On Thu, 18 Oct 2007, Bogdan Costescu wrote: On Thu, 18 Oct 2007, Robert G. Brown wrote: but on highly INhomogeneous hardware, slow and undependable networks, and the like -- if it dies This discussion being on the beowulf list, I can agree with kickstart being used on INhomogenous hardware,

Re: [Beowulf] Tilera to Introduce 64-Core Processor

2007-10-18 Thread Peter St. John
DLP? Wiki has entries for Indtruction Level Parallelism and Thread LP (alsom Memory LP) but not DLP? Peter >Perhaps you are refering to the TRIPS Polymorphic Processor from U of Texas which can be configured to favor ILP, DLP, or TLP application types. I think I sent out this reference a while b

Re: [Beowulf] Parallel Development Tools

2007-10-18 Thread Bogdan Costescu
On Thu, 18 Oct 2007, Robert G. Brown wrote: but on highly INhomogeneous hardware, slow and undependable networks, and the like -- if it dies This discussion being on the beowulf list, I can agree with kickstart being used on INhomogenous hardware, but not on slow and undependable networks; h

Re: [Beowulf] Parallel Development Tools

2007-10-18 Thread Bogdan Costescu
On Thu, 18 Oct 2007, Tim Cutts wrote: The real killer advantages of FAI, for me, are the SSH server so I can monitor the install remotely, and the detailed logging. Both of these are invaluable for diagnosing installation problems. With kickstart, you can start a VNC connection, check out: h

Re: [Beowulf] Reliable Job Queueing and Notification

2007-10-18 Thread John Hearns
Reuti wrote: Hi, Am 16.10.2007 um 16:08 schrieb Sean Ward: I've started work on a web service which contains several potentially long running processing steps (molecular dynamics), which are perfect to farm out to the fairly large (90 node) Beowulf I have access to. The primary issue is tran

[Beowulf] Re: [Dulug] Parallel debuggers (fwd)

2007-10-18 Thread Robert G. Brown
Dear MPI Mavens, What is the current state of the art for MPI (or PVM or other parallel code) debuggers? I vaguely recall some review articles on this on CWM and/or CM, and of course there has been list discussion in the past, but a quick summary would be very useful. rgb -- Robert G. Brown

Re: [Beowulf] Parallel Development Tools

2007-10-18 Thread Robert G. Brown
On Thu, 18 Oct 2007, Tim Cutts wrote: The real killer advantages of FAI, for me, are the SSH server so I can monitor the install remotely, and the detailed logging. Both of these are invaluable for diagnosing installation problems. They certainly do sound useful, I agree. I'm hoping that if

Re: [Beowulf] Reliable Job Queueing and Notification

2007-10-18 Thread Reuti
Hi, Am 16.10.2007 um 16:08 schrieb Sean Ward: I've started work on a web service which contains several potentially long running processing steps (molecular dynamics), which are perfect to farm out to the fairly large (90 node) Beowulf I have access to. The primary issue is translating req

Re: [Beowulf] Parallel Development Tools

2007-10-18 Thread Tim Cutts
On 18-Oct-07, [EMAIL PROTECTED] wrote: > Thanks, didn't know about the preseeding method. Also, there seems to be a > kickstart, at least for ubuntu. Has anyone compared FAI to kickstart (for > ubuntu/debian)? The fundamental approach is rather different. As I understand it, kickstart basically r

Re: [Beowulf] Parallel Development Tools

2007-10-18 Thread tegner
> Debian/Ubuntu both have automated install methods. There's the > 'preseeding' method, which is pretty similar in principle to > kickstart; you just tell the installer where to find all the answers > to the questions it would have asked. > > There's also the more flexible FAI, which is what we te