Re: ncl performance

Dennis,

Can NCL utilize multi threading? or is it only going to use one processor?

On Fri, Jun 12, 2009 at 6:47 PM, Dennis Shea <shea_at_ucar.edu> wrote:

> IMHO ... memory is always good to have ...
>
> Often mhz are emphasized ... not that important in and of
> itself. Overlooked issues are data movement from memory and cache.
>
> You can have lots of memory and a fast cpu but if the data
> movement is slow then the code will run slowly. I do not
> just mean reading from memory ... writing takes time also.
> If you have intertwined read/write tasks then performance
> could be even slower.
>
> D
>
> Micah Sklut wrote:
>
>> Hi NCL,
>>
>> Its been a while, since my last questions, but I believe I have a straight
>> forward one here.
>>
>> What is the best way to increase performance for ncl scripts. I have batch
>> jobs where I read in large grib files, and output lots of images.
>>
>> Will performance improve by increasing RAM ?
>> Will performance improve by increasing Processor Speed?
>>
>> My guess, is that the memory is going to be the biggest factor, and then
>> processor speed second.
>>
>> Thanks for your help!
>>
>> Micah
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>
>
> --
> ======================================================
> Dennis J. Shea tel: 303-497-1361 |
> P.O. Box 3000 fax: 303-497-1333 |
> Climate Analysis Section |
> Climate & Global Dynamics Div. |
> National Center for Atmospheric Research |
> Boulder, CO 80307 |
> USA email: shea 'at' ucar.edu |
> ======================================================
>
>

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Received on Fri Jun 12 2009 - 22:18:05 MDT