[bug #68237] "load" emits long series of "classdef not found" warnings when loading struct array

foreverallama <[email protected]> Wed, 15 Apr 2026 13:37:49 -0400 (EDT)

Newsgroups	gmane.comp.gnu.octave.bugs
Message-ID	<[email protected]>

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Follow-up Comment #8, bug #68237 (group octave):

The performance difference observed by @Dmitri is expected and something we're
trying to solve in bug #68090 and bug #68091 (haven't been able to get into it
yet). Unfortunately I was able to replicate @Philip's issue. It took me about
100 seconds to load with Octave 12 (on Ubuntu), which is quite weird. Will
need to do a performance analysis.

I was also not able to interrupt loading as Philip mentioned. How does the
interpreter check for interrupts? We might need to include this check when
leading large struct or cell arrays, with safe file handling.

Regarding the warning, there already is an ID associated with it
"Octave:load:classdef-not-found" and you should be able to turn it off. You
can get the warning ID with "lastwarn()". Turning the warning off did not
result in any performance difference.




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