[Octave-bug-tracker] [bug #51403] isequal is slow

[Rik]

Follow-up Comment #4, bug #51403 (project octave):

I (Rik) and Daniel Sebald spent a lot of time optimizing isequal.  For an
m-file, its pretty good and uses lots of different techniques.  But if there
is better code we could evaluate including it in Octave.  I think Matlab may
have promoted isequal to a compiled built-in function, rather than an m-file.

Also, I agree with Mike that part of the difficulty was that the function had
to be general for any arguments A,B,C, ...

If you know something about your inputs, such as the fact that they are
cellstr, then you may be able to take advantage of that to simplify the
comparison.

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