[Octave-bug-tracker] [bug #50603] save -mat fails for large (# of bytes) variables

[Rik]

Follow-up Comment #2, bug #50603 (project octave):

Have a look at Matlab's own documentation
(https://www.mathworks.com/help/matlab/ref/save.html).

They have a chart with the limits of each format.  The '-v6' option, which is
what Octave defaults to for '-mat', is limited to 2^31 bytes per variable.

At least on 64-bit Linux, I am able to write in -v6 format (3.1G) and -v7
format (4.4M).

As a workaround, you might try saving in -v7 format.  It is much slower,
because it does compression, but the eventual size of the element to save is
pretty small.


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