[gradsusr] Unable to allocate memory error

[Ricardo Hallak]

Stephen, 
I cheked my old anottations. In that time I used : 
grads -m 1600000 -lc 'run <somescript.gs>' 

because my problem occured during the "display" command. That is, the number is really in Mb, not in Gb. 

My guess, now, is that your problem is a limit in the Windows memory configuration, not a Grads buffer limitation, so that the -m option will not work. 

However, now I remember that, in LINUX, we used to SET a Environmetal Variable to allocate more than 2 GB memory in the .bashrc file. Unfortunatelly, I don't kow how to do it in Windows. Maybe someone else in the gradslist could help with this question: how to amplify the available memory for running programs in Windows? 

Thanks, 
Ricardo 

----- Mensagem original -----

> De: "Stephen McMillan" <smcmillan at planalytics.com>
> Para: "GrADS Users Forum" <gradsusr at gradsusr.org>
> Enviadas: Sexta-feira, 8 de Agosto de 2014 14:27:28
> Assunto: Re: [gradsusr] Unable to allocate memory error

> Mark,
> According to the documentation (
> http://www.iges.org/grads/gadoc/gradcomdgrads.html ), the -m option
> is supplied at launch, for example, grads -m NNN.
> Stephen

> On Fri, Aug 8, 2014 at 1:22 PM, Mark Sponsler < msponsler at comcast.net
> > wrote:

> > I've have the same question. How or where in grads does one
> > actually
> > invoke the -m option when grads runs on MS Windows?
> 

> > On August 8, 2014 9:42:38 AM PDT, Ricardo Hallak <
> > ricardo.hallak at iag.usp.br > wrote:
> 
> > > Hi Stephen,
> > 
> 
> > > I remember i've already used the option -m with a very large
> > > additional memory allocation for a high resolution (x,y) field,
> > > and
> > > it solved the problem.
> > 
> 
> > > Your try was -m 3000000 (3 Mb) or 3 Gb (3.000.000.000)?
> > 
> 

> > > Regards,
> > 
> 
> > > Ricardo
> > 
> 

> > > > De: "Stephen McMillan" < smcmillan at planalytics.com >
> > > 
> > 
> 
> > > > Para: "GrADS Users Forum" < gradsusr at gradsusr.org >
> > > 
> > 
> 
> > > > Enviadas: Sexta-feira, 8 de Agosto de 2014 12:17:08
> > > 
> > 
> 
> > > > Assunto: [gradsusr] Unable to allocate memory error
> > > 
> > 
> 

> > > > I've been running a script that uses high resolution data, but
> > > > after
> > > > a point it generates an "unable! to allocate memory" error and
> > > > stackdump, if I use too large an x-y domain. Looking at my Task
> > > > Manager, this appears to happen when it hits a 2GB memory
> > > > ceiling
> > > > for the GrADS process. Total laptop memory used at point of
> > > > stackdump is under 5GB (I have 8GB RAM on my Windows7 laptop).
> > > 
> > 
> 

> > > > Is there any way within GrADS to increase the 2GB limit? I
> > > > tried
> > > > using the -m switch (-m 3000000, for example) when launching
> > > > GrADS
> > > > prior to running my script. By the way, the script works fine
> > > > as
> > > > long as it doesn't hit the 2GB ceiling. Is there something else
> > > > I
> > > > can do to overcome this? I've already iincluded code to
> > > > undefine
> > > > previously-defined variables as soon as no longer needed.
> > > 
> > 
> 

> > > > I'm using version 2.0.1.oga.1
> > > 
> > 
> 

> > > > Thanks
> > > 
> > 
> 
> > > > Stephen McMillan
> > > 
> > 
> 
> > > > ***************************************************
> > > 
> > 
> 
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> > > 
> > 
> 

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> 
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> > > 
> > 
> 
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> > > 
> > 
> 
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> > > 
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> > Thanks,
> 
> > Mark
> 

> > Sent from my 4G LTE Samsung Galaxy Note
> 
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