[MITgcm-support] Computation time

[Göran Broström]

Hi  Chris

How do you use tiling to remove land points. Are there any code examples 
where this is used or any written ducumentation?

Göran Broström



> Hi Eli,
>
>  The code computes over land points in general.
>
>  For configurations with large numbers of points e.g. 1/6 and higher 
> resolution globally you can use tiling to throw away regions with no land.
>
>  For smaller configurations the overhead of skipping land points in do 
> loops actually costs more than doing null computations, so that the 
> shortest time to solution comes with computing that includes land.
>
>
>  What size of problem are you running and how long are your runs taking?
>
> Chris
>
> eliyahu biton wrote:
>> Hello everyone!
>>
>> I just want to be sure, is the computation time for 'land grid point' 
>> (those indicated by zero values within the bathimetry file)  the same as 
>> the 'sea grid point' ?
>>
>> And if so what can I do to reduce this computation time of these 'land 
>> grid point' ?
>>
>> Thanks Eli
>>
>>
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