[Beowulf] hang-up of HPC Challenge

Greg Lindahl lindahl at pbm.com
Tue Aug 19 22:39:38 EDT 2008


On Wed, Aug 20, 2008 at 03:45:43AM +0400, Mikhail Kuzminsky wrote:
> For some localization of possible problem reason, I ran pure HPL test  
> instead of HPCC. HPL performs direct output to screen instead of writing 
> to the file.
>
> Using MPICH w/np=8 I obtained normal HPL result for N=35000 - including  
> 3 "PASSED" strings for ||Ax-b|| calculations. BUT ! Linux hang-ups  
> immediately after output of this strings.

Well, what did your configuration file tell HPL to do? Does it have
another test, perhaps a bigger one, or is it supposed to exit? We
aren't mind-readers.

-- greg


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