[GE users] pe_slots issues

Reuti reuti at staff.uni-marburg.de
Sat Nov 3 22:09:42 GMT 2007


Am 02.11.2007 um 19:20 schrieb John Coldrick:

> On Friday 02 November 2007 13:10, John Coldrick wrote:
>> 	Right, I removed the memory request and it still, unfortunately,  
>> behaves
>> the same.
>
> 	Sorry, everything off the back burner!  Figured it out.  The  
> behaviour
> change(I believe it's a change AFAICT!) is that when I ask for our  
> software
> licensing, I request a single token, which is fine as it only uses  
> one token
> per machine and not per thread.  I suspect SGE 6.0 behaved the same by
> default - asking for three slots on the same machine with $pe_slots  
> meant it
> only needed a single complex.  Now, it's multiplying by the number of
> threads - the reason for the "magical" number 3?  That's the number of
> complexes I had set those machines up to serve.

Yep! If you have a parallel job, you have to divide the request of a  
single license by the number of slots beforehand (rounded down).

-- Reuti

>
> 	Anyway, thanks Reuti for helping me eliminate the potential issues!
>
> 	Cheers,
>
> 	J.C.
>
>
>
> -- 
> John Coldrick                  www.axyzfx.com        Axyz Animation
> 416-504-0425                                         477 Richmond St W
>                                                      Toronto, ON  
> Canada
> jc at axyzfx.com                                        M5V 3E7
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