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From: H on 8 Apr 2010 01:33
Hi again,

I'm using some quite large sparse matrices while solving network/graph problems with MatlabBGL algorithms ( http://www.mathworks.com/matlabcentral/fileexchange/10922-matlabbgl ). My system is 32-bit Windows Vista with 4GB of physical ram (I know the restrictions of 32-bit OS and I have managed to override the default 2GB maximum memory allocation for a single program). Currently memory function gives maximum possible array 1325MB and memory for all arrays 2516MB

Is it possible to make and operate bigger matrices than the memory -functions maximum possible array implies?

Or if I change to a 64-bit Windows, is it possible to make bigger matrices than the physical memory would let me, if I use a huge page file? Say 10GB matrices or even 4 1GB matrices.

The creation of my matrices take a long time but they have to made only once and then used over and over again. So some kind of on-the-fly or part-wise construction doesn't seem to be the answer.

Thank you in advance!


From: us on 8 Apr 2010 01:56
"H " <mesta2000(a)hotmail.com> wrote in message <hpjpqe$ir7$1(a)fred.mathworks.com>...
> Hi again,
>
> I'm using some quite large sparse matrices while solving network/graph problems with MatlabBGL algorithms ( http://www.mathworks.com/matlabcentral/fileexchange/10922-matlabbgl ). My system is 32-bit Windows Vista with 4GB of physical ram (I know the restrictions of 32-bit OS and I have managed to override the default 2GB maximum memory allocation for a single program). Currently memory function gives maximum possible array 1325MB and memory for all arrays 2516MB
>
> Is it possible to make and operate bigger matrices than the memory -functions maximum possible array implies?
>
> Or if I change to a 64-bit Windows, is it possible to make bigger matrices than the physical memory would let me, if I use a huge page file? Say 10GB matrices or even 4 1GB matrices.
>
> The creation of my matrices take a long time but they have to made only once and then used over and over again. So some kind of on-the-fly or part-wise construction doesn't seem to be the answer.
>
> Thank you in advance!

a hint:

http://www.mathworks.com/support/tech-notes/1100/1106.html

us
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