Re: error: memory exhausted or requested size too large for range of Octave's index type -- trying to return to prompt

[marco atzeri]

On 11/2/2012 7:25 PM, japindado wrote:
> This topic has been discussed before, but I have read all of the threads and
> none of them have the answer to my issue, so I am posting here hoping
> someone can help...  Basically, Octave will not allow the total memory
> consumed by all variables to exceed ~1.5GB...  My machine runs Windows7
> Enterprise N 64-bit on an Intel i7 with 9GB RAM. Any help would be greatly
> appreciated.

I am almost sure the windows version is a 32bit version,
as such no more than 2GB are available for programs and data.

To overcome that limits you need a 64bit version, that I suspect
is available only on some Linux/Unix distro

> Here is my output/code:
>
> octave:107> ver;memtest()
> ----------------------------------------------------------------------
> GNU Octave Version 3.6.1
> GNU Octave License: GNU General Public License
> Operating System: unknown
> ----------------------------------------------------------------------
> no packages installed.
> iter1,mem16,idx2
...
> iter24,mem134217728,idx16777216
> iter25,mem268435456,idx33554432
> error: memory exhausted or requested size too large for range of Octave's
> index type -- trying to return to prompt
> octave:107>
> ==============
> function memtest()
> clear;
> tst=[];
> i=0;
> while(1)
>         i=i+1;
>         tst=[ones(1,2^i)];
>         fprintf("iter%d,mem%d,idx%d\n",i,sizeof(tst),length(tst));
>         fflush(stdout);
> end
> ==============

why do you need more than 1.5 GB data ?