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Re: Maximum Variable Size in Octave


From: John W. Eaton
Subject: Re: Maximum Variable Size in Octave
Date: Thu, 04 Sep 2008 14:26:44 -0400

On  4-Sep-2008, Tal  Rusak wrote:

|      I am just wondering how you were able to use a 10 GB array if the I/O
| components of Octave are only 32-bit systems. Wouldn't that cap the
| array size at 2 GB? Did you modify any I/O code?

You don't have to read 10GB to generate a variable that requires 10GB
of storage.  For example, I think

  tengb = 10*1024*1024*1024;
  x(tengb/8) = 1;
  x = ones (tengb/8, 1);
  x = zeros (tengb/8, 1);
  x = rand (tengb/8, 1);
  x = 1:tengb</8;

etc., should do it.

jwe


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