[Wien] Query regarding running less cpu core than available in the machine

[Peter Blaha]

How did you find out that it has taken all 24 cores ?

Am 08.07.2019 um 13:06 schrieb shamik chakrabarti:
> Dear wien2k users,
> 
>                               I have installed wien2k in a system having 
> Ubuntu. If I set OMP_NUM_THREAD = 2/3/4, it is taking all the available 
> 24 cores. Whereas if I set OMP_NUM_THREAD = 1 it is taking only 1 cpu 
> per calculation. My query is how can I use more than 1 cpu but less than 
> the total available cores (say I want to use 20 cores while total 
> available cores are 24)..
> 
> Any response in this regard will be helpful for us.
> 
> with regards,
> 
> -- 
> Dr. Shamik Chakrabarti
> Project Employee
> Dept. of Metallurgical and Materials Engineering
> IIT Kharagpur
> Kharagpur-721302
> INDIA
> 
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