[Wien] wien in parallel mode is slower than serial mode

[nilton@ufba.br]

Dear L. Marks
> Are you using a large GMAX, and have a large number of LM's and force
> set? I noticed that your lapw0 seems to be slower than lapw1 which is
> unusual
Sorry, I am not sure if I get you point. As you can see below lapw0  
take less time than lapw1. And I am using large GMAX and large number  
of LM.
Nilton

>> running lapw0 in single mode
>> 81.944u 0.645s 0:39.98 206.5%   0+0k 0+7952io 0pf+0w
>> >   lapw1  -p   (15:30:36) starting parallel lapw1 at Fri Dec 21
>> > 15:30:36 BRT 2007
>> ->  starting parallel LAPW1 jobs at Fri Dec 21 15:30:36 BRT 2007
>> running LAPW1 in parallel mode (using .machines)
>> 4 number_of_parallel_jobs
>>       localhost(6) 725.214u 2.050s 16:34.90 73.0%        0+0k   
>> 0+159168io 0pf+0w
>>       localhost(6) 684.668u 2.080s 15:57.46 71.7%        0+0k   
>> 0+152816io 0pf+0w
>>       localhost(6) 699.967u 2.097s 16:10.79 72.3%        0+0k   
>> 8+153688io 0pf+0w
>>       localhost(6) 688.346u 1.890s 16:02.18 71.7%        0+0k   
>> 8+154800io 0pf+0w
>>     Summary of lapw1para:
>>     localhost     k=24    user=2798.2     wallclock=3885.33
>> 2799.483u 9.766s 16:36.02 282.0%        0+0k 16+621200io 0pf+0w
>> >   lapw2 -p    (15:47:12) running LAPW2 in parallel mode
>>        localhost 1246.379u 41.656s 19:13.26 111.6% 0+0k 0+11392io 0pf+0w
>>        localhost 952.876u 34.233s 16:58.17 96.9% 0+0k 0+11392io 0pf+0w
>>        localhost 552.495u 19.128s 11:48.03 80.7% 0+0k 0+11392io 0pf+0w
>>        localhost 781.333u 27.519s 15:09.69 88.9% 0+0k 0+11392io 0pf+0w
>>     Summary of lapw2para:
>>     localhost     user=3533.08    wallclock=3789.15
>> 3533.914u 122.942s 19:15.69 316.4%      0+0k 8+58696io 0pf+0w
>> >   lcore       (16:06:28) 0.119u 0.061s 0:00.24 70.8%  0+0k 0+4248io 0pf+0w
>> >   mixer       (16:06:28) 1.053u 0.180s 0:00.98 125.5% 0+0k   
>> 0+14200io 0pf+0w
>> :ENERGY convergence:  1 0.0001 .0000100000000000
>> :CHARGE convergence:  0 0.0000 .0005089
>> ec cc and fc_conv 1 1 1
>>
>> >   stop
>>
>>
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>
>
>
> --
> Laurence Marks
> Department of Materials Science and Engineering
> MSE Rm 2036 Cook Hall
> 2220 N Campus Drive
> Northwestern University
> Evanston, IL 60208, USA
> Tel: (847) 491-3996 Fax: (847) 491-7820
> email: L-marks at northwestern dot edu
> Web: www.numis.northwestern.edu
> Commission on Electron Diffraction of IUCR
> www.numis.northwestern.edu/IUCR_CED
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