[Wien] How to make more cpu participate in paralle processes

[Michael Sluydts]

Hello Lei,

Have you set up your .machines file properly? (it's described in the 
manual) Most likely you are just running on two threads and wien is not 
actually trying to parallellize properly.

If you have 12 k points then you can basically make 1 line per core with 
each line "1: hostname" possibly in your case 1:localhost if you're 
running the jobs only on the machine you're working on.

But try reading the manual and send us another mail if you get stuck.


Regards,

Michael Sluydts
??? schreef op 3/11/2013 14:34:
> Dear all Wien2k users:
>  I chosed paralle caculation in the SCF cycle , but only 2 cpus 
> were running, while other 10 cpus  was free. Can anyone tell me why 
> this is, how to solve this problem to Improve processing speed?
> top - 17:54:11 up 5 days, 30 min,  1 user,  load average: 2.02, 2.02, 2.00
> Tasks: 279 total,   3 running, 275 sleeping,   0 stopped,   1 zombie
> Cpu(s): 16.7%us,  0.0%sy,  0.0%ni, 83.3%id,  0.0%wa,  0.0%hi,  0.0%si, 
> 0.0%st
> Mem:  49448368k total,  6814276k used, 42634092k free,   316812k buffers
> Swap: 51199144k total,        0k used, 51199144k free,  3680536k cached
>   PID USER      PR  NI VIRT  RES  SHR S %CPU %MEM    TIME+ COMMAND
> 22849 student   25   0 1249m 1.1g 6448 R 100.0  2.4  32:43.95 lapw1
> 22834 student   25   0 1252m 1.1g 6440 R 99.8  2.4  32:43.43 lapw1
>     1 root      15   0 10312  728  616 S 0.0  0.0   0:02.25 init
>     2 root      RT  -5     0 0    0 S  0.0  0.0   0:00.04 migration/0
> best regard
>
> Lei Liu
>
>
>
>
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