[Wien] I still have problem with wienk in parallel mode

Laurence Marks L-marks at northwestern.edu
Mon Jan 2 19:43:45 CET 2012


2012/1/2 Nilton <nilton.dantas at gmail.com>:
> Dear L. Marks,
>
> I did your suggestions but unfortunately I have no success yet.
>
> 2011/12/28 Laurence Marks <L-marks at northwestern.edu>
>>
>> Suggestions, assuming that all your computers are dual quadcores:
>> a) Use as .machines file
>> 1:bodesking.uefs.br:8
>> 1:compute-0-0.local:8
>> 1:compute-0-1.local:8
>>
>>
>> This will run 3 tasks each using mpi with 8 cores on each computer. If
>> they are not dual quadcores but only have (for instance) 4 cores
>> change the "8" to "4".
>
>
> I tried it with 8 and 4 options. My computer is an xeon quadcore, but I am
> not sure if it is dual.  Here is the output of /proc/cpuinfo
>  ------------------------------------------------------------------------------------------------------------------------------
> processor       : 0
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 30

The number of these will tell you how many cores you have (and it
could be twice the true number if hyperthreading is on).


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