Re: [ferret_users] ,return=lend and constants

[Russ Fiedler <russell.fiedler@xxxxxxxx>]

Ryo,

It looks to be related to the new E and F axes.

Defining refp to be on the same grid as salt and temp

let refp = 0*salt

works with V6.82. 

Russ
 

On Thu, 2012-10-18 at 12:55 +1100, Ryo Furue wrote:
> Ferret users,
> 
> Has anybody seen this behavior? Is this a bug?  Basically,
> "return=lend" tries to allocate a lot of memory in some cases.
> 
> yes? set data bug.nc
> yes? let refp = 0
> yes? let den1 = RHO_UN(salt,temp,0)    !! Good
> yes? let den2 = RHO_UN(salt,temp,refp) !! Bad
> yes? say `den1,return=lend`
>  !-> MESSAGE/CONTINUE 2
> 2
> yes? say `den2,return=lend`
>  **ERROR: request exceeds memory setting: 10 Mwords were requested.
> [ . . . remaining error messages elided . . .]
> 
> The dataset bug.nc contains salt(i,j,k,l) and temp(i,j,k,l)
> with l = 1:2.  I'm attaching the results of "show grid" below.
> 
> If you are interested and you cannot reproduce this error,
> I'll send the dataset to you.
> 
> I'm currently using
> FERRET v6.81 Linux 2.6.32-279.1.1.el6.x86_64 32-bit - 07/23/12
> 
> The same script didn't cause this error some versions ago.
> 
> Regards,
> Ryo
> --------------------------------
> yes? show grid den1
>     GRID GCF1
>  name       axis              # pts   start                end
>  LONGITUDE_T LONGITUDE        564mr   104.17E(104.17)      68.167W(291.83)
>  LATITUDE_T LATITUDE          168 r   25.833S              29.833N
>  DEPTH_T   DEPTH (m)           51 i-  2.5                  5745
>  TIME1     TIME                 2 r   21-JAN-2031 00:00    01-FEB-2031 00:00
>  normal    E
>  normal    F
> yes? show grid den2
>     GRID (G002)
>  name       axis              # pts   start                end
>  LONGITUDE_T LONGITUDE        564mr   104.17E(104.17)      68.167W(291.83)
>  LATITUDE_T LATITUDE          168 r   25.833S              29.833N
>  DEPTH_T   DEPTH (m)           51 i-  2.5                  5745
>  TIME1     TIME                 2 r   21-JAN-2031 00:00    01-FEB-2031 00:00
>  ABSTRACT  E              9999999 r   1                    9999999
>  ABSTRACT  F              9999999 r   1                    9999999