Re: [Beowulf] OpenMP wierdness on dual AMD 2350 box w/ SL5.2 x86_64

2008-11-26 Thread Nathan Moore
on the web, http://course1.winona.edu/nmoore/clouds_example_OpenMP_f90.html On Wed, Nov 26, 2008 at 1:22 PM, Bill Broadley <[EMAIL PROTECTED]> wrote: > I'd be happy to take a look, but email formatting of f90 sometimes seems to > cause issues. Could you send it as an attachment or put it on a w

[Beowulf] Re: OpenMP wierdness on dual AMD 2350 box w/ SL5.2 x86_64

2008-11-26 Thread David Mathog
"Nathan Moore" <[EMAIL PROTECTED]> wrote > The program scales beautifully up to OMP_NUM_THREADS~6 or 7, but when I set > the number of threads to 8, something weird happens, and instead of taking > the normal 241 iterations to converge, the program converges after 1 step. > This reeks of numerical

[Beowulf] OpenMP wierdness on dual AMD 2350 box w/ SL5.2 x86_64

2008-11-26 Thread Nathan Moore
After the help last week on openmp, I got inspired and bought a dual-quad opteron machine for the department to show 8-way scaling for my students ("Hey, its much cheaper than something new in the optics lab", my dept. chair laughed). I've been working on said machine over the past few days and fo

[Beowulf] Call For Papers: Intl. Workshop on Parallel Programming Models and Systems Software for HEC (P2S2)

2008-11-26 Thread p2s2-chairs
CALL FOR PAPERS === Second International Workshop on Parallel Programming Models and Systems Software for High-end Computing (P2S2) Sept. 22nd, 2009 To be held in conjunction with ICPP-09: The 38th International Conference on Parallel Processing, Sept. 22-25, 2009, Vienna, Austria

Re: [Beowulf] Re: after update sgeexecd not starting correctly on reboot

2008-11-26 Thread Reuti
Hi David, Am 26.11.2008 um 01:08 schrieb David Mathog: I think maybe the NFS mounting is different, so that the remote_fs prerequisite isn't really satisfied, even though the associated script has run. The sgeexecd script does include a test: while [ ! -d "$SGE_ROOT" -a $count -le 120 ];