[Wrf-users] WRF-3.1: Qn about em_b_wave test
Sangamesh B
forum.san at gmail.com
Mon Aug 24 22:33:26 MDT 2009
Thanks Kevin and Nils for the help
On Wed, Aug 19, 2009 at 3:09 AM, Nils Dorband <dorband at googlemail.com>wrote:
> Hi,
>
> According to your output files, your run was successful and evolving the
> test case for 10h. (this is 10h in model time, not in wall time. It could
> well be ok, that it only takes a few seconds to finish that kind of run.)
>
> In your output files (i.e. rsl.error.0000, ...), you find lines like
>
> Timing for main: time 0001-01-01_10:50:00 on domain 1: 1.27500 elapsed
> seconds.
>
> that show you the model time, and the wall time seconds it took to compute
> that iteration.
>
> Cheers,
>
> Nils
>
>
>
>
> On Tue, Aug 18, 2009 at 7:29 AM, Sangamesh B <forum.san at gmail.com> wrote:
>
>> Dear WRF users,
>>
>> I'm a beginner to WRF and want to test its performance scaling on a
>> HPC cluster. Installed it successfully with MPI support for parallel.
>>
>> To check whether the compilation is successful or not, executed a sample
>> test 'em_b_wave' with run_hours=10. But it executed for a few seconds even
>> though I had mentioned 10 hours.
>>
>> I'm don't know whether this successful or not.
>>
>> The commands used are:
>>
>> ./ideal.exe
>>
>> ./wrf.exe
>>
>> The generated output files are:
>>
>> rsl.out.0000 - file attached
>> rsl.error.0000 - file attached
>> wrfout_d01_0001-01-01_01:00:00
>>
>> The content of namelist.input is:
>>
>> # cat namelist.input
>> &time_control
>> run_days = 0,
>> run_hours = 10,
>> run_minutes = 0,
>> run_seconds = 0,
>> start_year = 0001, 0001, 0001,
>> start_month = 01, 01, 01,
>> start_day = 01, 01, 01,
>> start_hour = 01, 01, 01,
>> start_minute = 00, 00, 00,
>> start_second = 00, 00, 00,
>> end_year = 0001, 0001, 0001,
>> end_month = 01, 01, 01,
>> end_day = 01, 01, 01,
>> end_hour = 06, 06, 06,
>> end_minute = 00, 00, 00,
>> end_second = 00, 00, 00,
>> history_interval = 360, 360, 360,
>> frames_per_outfile = 1000, 1000, 1000,
>> restart = .false.,
>> restart_interval = 3600,
>> io_form_history = 2
>> io_form_restart = 2
>> io_form_input = 2
>> io_form_boundary = 2
>> debug_level = 0
>> /
>>
>> &domains
>> time_step = 600,
>> time_step_fract_num = 0,
>> time_step_fract_den = 1,
>> max_dom = 1,
>> s_we = 1, 1, 1,
>> e_we = 41, 41, 41,
>> s_sn = 1, 1, 1,
>> e_sn = 81, 81, 81,
>> s_vert = 1, 1, 1,
>> e_vert = 65, 65, 65,
>> dx = 100000,20000, 4000,
>> dy = 100000,20000, 4000,
>> ztop = 16000, 16000, 16000,
>> grid_id = 1, 2, 3,
>> parent_id = 0, 1, 2,
>> i_parent_start = 0, 17, 17,
>> j_parent_start = 0, 33, 33,
>> parent_grid_ratio = 1, 5, 5,
>> parent_time_step_ratio = 1, 5, 5,
>> feedback = 1,
>> smooth_option = 0
>> /
>>
>> &physics
>> mp_physics = 0, 0, 0,
>> ra_lw_physics = 0, 0, 0,
>> ra_sw_physics = 0, 0, 0,
>> radt = 30, 30, 30,
>> sf_sfclay_physics = 0, 0, 0,
>> sf_surface_physics = 0, 0, 0,
>> bl_pbl_physics = 0, 0, 0,
>> bldt = 0, 0, 0,
>> cu_physics = 0, 0, 0,
>> cudt = 5, 5, 5,
>> isfflx = 1,
>> ifsnow = 0,
>> icloud = 1,
>> num_soil_layers = 5,
>> /
>>
>> &fdda
>> /
>>
>> &dynamics
>> rk_ord = 3,
>> diff_opt = 1,
>> km_opt = 1,
>> damp_opt = 0,
>> zdamp = 4000., 4000., 4000.,
>> dampcoef = 0.01, 0.01, 0.01
>> khdif = 0, 0, 0,
>> kvdif = 0, 0, 0,
>> smdiv = 0.1, 0.1, 0.1,
>> emdiv = 0.01, 0.01, 0.01,
>> epssm = 0.1, 0.1, 0.1
>> time_step_sound = 4, 4, 4,
>> h_mom_adv_order = 5, 5, 5,
>> v_mom_adv_order = 3, 3, 3,
>> h_sca_adv_order = 5, 5, 5,
>> v_sca_adv_order = 3, 3, 3,
>> non_hydrostatic = .true., .true., .true.,
>> /
>>
>> &bdy_control
>> periodic_x = .true., .false.,.false.,
>> symmetric_xs = .false.,.false.,.false.,
>> symmetric_xe = .false.,.false.,.false.,
>> open_xs = .false.,.false.,.false.,
>> open_xe = .false.,.false.,.false.,
>> periodic_y = .false.,.false.,.false.,
>> symmetric_ys = .true., .false.,.false.,
>> symmetric_ye = .true., .false.,.false.,
>> open_ys = .false.,.false.,.false.,
>> open_ye = .false.,.false.,.false.,
>> nested = .false., .true., .true.,
>> /
>>
>> &grib2
>> /
>>
>> &namelist_quilt
>> nio_tasks_per_group = 0,
>> nio_groups = 1,
>> /
>> #
>>
>> The procedure that I followed is correct or wrong?
>>
>> If I have to run it for 10 hours, what parameters should I modify in
>> namelist.input?
>>
>> Thank you
>>
>> _______________________________________________
>> Wrf-users mailing list
>> Wrf-users at ucar.edu
>> http://mailman.ucar.edu/mailman/listinfo/wrf-users
>>
>>
>
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