Re: Largest Matrix Size for Octave

[Tatsuro MATSUOKA]

----- Original Message -----

> From: evansste 
> To: help-octave
> Cc: 
> Date: 2017/6/19, Mon 01:57
> Subject: Largest Matrix Size for Octave
> 
> I've done some online searching, and according to a 6-year-old post, it 
> seems
> that the largest acceptable matrix size for Octave is 2^31-2 elements, which
> would use about 16 GB of RAM.  Is this still the case, or do current
> versions of Octave allow 2^48-1 elements?
> 
> The 2^48-1 number was obtained from the following post that I saw about
> MATLAB's limitations:
> 
> https://www.mathworks.com/matlabcentral/answers/91711-what-is-the-maximum-matrix-size-for-each-platform
> 
> This post shows a chart, which gives the above numbers I just mentioned.
> 
> Here's the 6-year-old Octave post that I talked about:
> 
> http://octave.1599824.n4.nabble.com/memory-td3427479.html
> 
> It was from this post that I got the 16 GB number, which leads me to think
> that this correlates to 2^31-2 elements, based on the MATLAB post.
> 
> Both of these posts are old.  Does anyone know whether or not Octave now
> supports matricies which contain 2^48-1 elements?
> 
> Thanks so much for your time.
> 
On which platform, are you using octave (windows, linux, or mac etcs.)?
For windows, octave 4.2.1 binary of with large arrays had been uploaded by me
http://octave.1599824.n4.nabble.com/Octave-on-Windows-with-large-arrays-td4682366.html#a4682482

HTH

Tatsuro