[Wien] A question regarding a calculation for a 56 atoms unit cell

[Shamik Chakrabarti]

Sir,

    No...we have not checked running time with values of OMP_NUM_THREAD
=1,2,4...*is it that we should set it to 4 as we are using quad core or we
have to check for which value it will give us the highest speed?*..........

with best regards,
Shamik Chakrabarti

On Mon, Jun 6, 2011 at 1:26 PM, Peter Blaha <pblaha at theochem.tuwien.ac.at>wrote:

>
>  Sir we have set OMP_NUM_THREAD = 8 and it using all the 8 processors as
>> can also been seen from CPU_MONITOR
>>
>
> OMP_NUM_THREAD = 8 does NOT give any speed up !! Did you check your running
> time with values of OMP_NUM_THREAD =1,2,4
> and a k-parallelization !
>
>
>
>
> --
>
>                                      P.Blaha
> --------------------------------------------------------------------------
> Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
> Phone: +43-1-58801-15671             FAX: +43-1-58801-15698
> Email: blaha at theochem.tuwien.ac.at    WWW:
> http://info.tuwien.ac.at/theochem/
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-- 
Shamik Chakrabarti
Research Scholar
Dept. of Physics & Meteorology
Material Processing & Solid State Ionics Lab
IIT Kharagpur
Kharagpur 721302
INDIA
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