Path: news.mathworks.com!not-for-mail
From: "amcum ammcum" <ammcum@yahoo.fr>
Newsgroups: comp.soft-sys.matlab
Subject: Re: conv2 of a large image
Date: Fri, 2 Jan 2009 03:16:49 +0000 (UTC)
Organization: The MathWorks, Inc.
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"Image Analyst" <imageanalyst@mailinator.com> wrote in message <gjjuvl$lbo$1@fred.mathworks.com>...
> "amcum ammcum" <ammcum@yahoo.fr> wrote in message <gjjq7p$6di$1@fred.mathworks.com>...
> > ImageAnalyst <imageanalyst@mailinator.com> wrote in message <2988496d-4770-4710-9213-6596da54c8ab@f11g2000vbf.googlegroups.com>...
> > > On Jan 1, 12:43=A0pm, "amcum ammcum" <amm...@yahoo.fr> wrote:
> > > > "Nasser Abbasi" <n...@12000.org> wrote in message <%S67l.7852$pr6.4...@fl=
> > > pi149.ffdc.sbc.com>...
> > > >
> > > > > "amcum ammcum" <amm...@yahoo.fr> wrote in message
> > > > >news:gjiqsl$mnr$1@fred.mathworks.com...
> > > >
> > > > > > The problem is with the 'Out of memory message'
> > > >
> > > > > Ok, How much memory does your PC/laptop have?
> > > >
> > > > > --Nasser
> > > >
> > > > I 'm using vista home premium with my laptop: 3G RAM and 300Go HD
> > > > I have also used a desktop with 512Mo RAM (more than 30 Go free HD memory=
> > > ).
> > > >
> > > > Matlab generate the same memory limitation message (for the two machines:=
> > >  desktop and laptop) once the array dimension accede 3000 x 3000 pixel.
> > > > So I believe (not sure) that the problem is a combination of a software-h=
> > > ardware.
> > > >
> > > > Best regards.
> > > 
> > > ----------------------------------------------------------------------
> > > amcum:
> > > 10k by 10k by 8 bytes (for double) gives about 800 MB.  Now double
> > > that since it'll need to also create an output image, and you're up to
> > > at least 1.6 GB.  You are probably just out of memory.  Are you using
> > > Windows?  Do you have the /3GB switch (Google it) set when you run
> > > windows?
> > > 
> > > Can you type memory at the MATLAB command prompt and paste the
> > > response here?
> > > 
> > > How important is this to you?  If you're willing to spend money, you
> > > can get Star-P (http://www.interactivesupercomputing.com/) and get rid
> > > of your memory problems in MATLAB.  You can even have terabyte sized
> > > arrays.
> > > 
> > > Otherwise you may have to convolve it in smaller parts and piece them
> > > together - a mess since you'll have lots of boundaries to fix up
> > > because it's not simply stitching the parts together.
> > > Regards,
> > > ImageAnalyst
> > 
> > The 3GB switch  :
> > I introduce the command to the prompt :
> > bcdedit /set IncreaseUserVa 3072
> > and this do not resolve my problem.
> > 
> > - for the memory function it don&#8217;t produce any output !
> > - The application is important  for me, but I am not able to pay an Star-P solution !
> 
> ---------------------------------------------------------------------
> Well you'd better call The Mathworks support because there's something wrong with your installation.  When I type memory, I get this:
> >> memory
> Maximum possible array:            1120 MB (1.174e+009 bytes) *
> Memory available for all arrays:   2542 MB (2.666e+009 bytes) **
> Memory used by MATLAB:              244 MB (2.556e+008 bytes)
> Physical Memory (RAM):             3070 MB (3.219e+009 bytes)
> 
> *  Limited by contiguous virtual address space available.
> ** Limited by virtual address space available.
> 
> Maybe you have an old version.
> 
> To get the 3GB switch working you have to have a line similar to this in c:\boot.ini:
> multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional 3GB" /NoExecute=AlwaysOff /fastdetect /3GB
> ------------------------------------------------------------------------------------

Can you help me to added the line:
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional 3GB" /NoExecute=AlwaysOff /fastdetect /3GB
in boot.ini
under vista not such file exist !