[MITgcm-support] nPx vs. nPy

[taimaz.bahadory]

Here is what is said inside one of the ten STDERR files generated:

(PID.TID 0004.0001) *** ERROR *** S/R ZONAL_FILT_INIT: Multi-tiles (
nSx*nPx= 10 )
(PID.TID 0004.0001) *** ERROR ***  in Zonal (X) dir. not implemented in
Zonal-Filter code




On Thu, Jul 26, 2012 at 7:11 PM, Chris Horvat <horvat at fas.harvard.edu>wrote:

> Taimaz,
>
> What error are you getting? (Either in your STDERR output or interactive
> output?)
>
> Chris
>
>
>
> On Thu, Jul 26, 2012 at 5:38 PM, taimaz.bahadory <taimaz.bahadory at mun.ca>wrote:
>
>> My total grid is 130x100, which matches a Nx=13x1x10 and Ny=100x1x1.
>> As I said, when I play with y-direction (i.e. changing nPy to from 1 to
>> 10 and sNy from 100 to 10, while nPx is 1 and sNx is 130), everything works
>> fine. The problem arises when I try to increase the nPx to something else
>> than 1, also I'm careful of the total product to match the total grid size
>> mentioned in data file.
>>
>>
>>
>> On Thu, Jul 26, 2012 at 6:21 PM, Gus Correa <gus at ldeo.columbia.edu>wrote:
>>
>>> Hi Taimaz
>>>
>>> Nx, Ny, Nr are the number of points in your [full] domain,
>>> which should match the domain size in your initial condtion files,
>>> etc, so they should be fixed for each experiment you run.
>>> If there is no match the run fails.
>>>
>>> Given Nx, you need to find out the the values
>>> nPx, and sNx such that their product is Nx
>>> [assuming nSx is 1, i.e. you're not using threads/OpenMP].
>>> Likewise for nPy, sNy, etc.
>>>
>>> Note that in SIZE.h is defined as
>>> Nx  = sNx*nSx*nPx,
>>> and Ny  = sNy*nSy*nPy.
>>> Hence, it is you need to choose the
>>> right factors to get the expected products Nx and Ny.
>>>
>>> I hope this helps,
>>> Gus Correa
>>>
>>>
>>> On 07/26/2012 03:56 PM, taimaz.bahadory wrote:
>>>
>>>> Attached
>>>>
>>>>
>>>> On Thu, Jul 26, 2012 at 5:17 PM, Chris Horvat <horvat at fas.harvard.edu
>>>> <mailto:horvat at fas.harvard.edu**>> wrote:
>>>>
>>>>     Taimaz,
>>>>
>>>>     Could you include your SIZE.h file so we can see what the other set
>>>>     parameters are?
>>>>
>>>>     Chris Horvat
>>>>
>>>>
>>>>     On Thu, Jul 26, 2012 at 3:45 PM, taimaz.bahadory
>>>>     <taimaz.bahadory at mun.ca <mailto:taimaz.bahadory at mun.ca**>> wrote:
>>>>
>>>>         Hi;
>>>>
>>>>         I have configures a code to run my topography file using
>>>>         parallel system (mpi). Everything works fine when I set nPy=10
>>>>         (or anything), but the errors come out when I try to break the
>>>>         x-direction to different sections, i.e. increasing nPx to
>>>>         something more than 1.
>>>>         summary:
>>>>
>>>>           * nPx = 1; nPy = 10 => works fine
>>>>           * nPx = 10; nPy = 1 => fails
>>>>
>>>>
>>>>         Is there any limitation on the x-axis?
>>>>
>>>>         ______________________________**_________________
>>>>         MITgcm-support mailing list
>>>>         MITgcm-support at mitgcm.org <mailto:MITgcm-support at mitgcm.**org<MITgcm-support at mitgcm.org>
>>>> >
>>>>
>>>>         http://mitgcm.org/mailman/**listinfo/mitgcm-support<http://mitgcm.org/mailman/listinfo/mitgcm-support>
>>>>
>>>>
>>>>
>>>>     ______________________________**_________________
>>>>     MITgcm-support mailing list
>>>>     MITgcm-support at mitgcm.org <mailto:MITgcm-support at mitgcm.**org<MITgcm-support at mitgcm.org>
>>>> >
>>>>
>>>>     http://mitgcm.org/mailman/**listinfo/mitgcm-support<http://mitgcm.org/mailman/listinfo/mitgcm-support>
>>>>
>>>>
>>>>
>>>>
>>>> ______________________________**_________________
>>>> MITgcm-support mailing list
>>>> MITgcm-support at mitgcm.org
>>>> http://mitgcm.org/mailman/**listinfo/mitgcm-support<http://mitgcm.org/mailman/listinfo/mitgcm-support>
>>>>
>>>
>>>
>>> ______________________________**_________________
>>> MITgcm-support mailing list
>>> MITgcm-support at mitgcm.org
>>> http://mitgcm.org/mailman/**listinfo/mitgcm-support<http://mitgcm.org/mailman/listinfo/mitgcm-support>
>>>
>>
>>
>> _______________________________________________
>> MITgcm-support mailing list
>> MITgcm-support at mitgcm.org
>> http://mitgcm.org/mailman/listinfo/mitgcm-support
>>
>>
>
> _______________________________________________
> MITgcm-support mailing list
> MITgcm-support at mitgcm.org
> http://mitgcm.org/mailman/listinfo/mitgcm-support
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mitgcm.org/pipermail/mitgcm-support/attachments/20120726/79bd7030/attachment.htm>