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[Octave-bug-tracker] [bug #52809] interpreter performance is slow on dev


From: Rik
Subject: [Octave-bug-tracker] [bug #52809] interpreter performance is slow on development branch
Date: Thu, 4 Jan 2018 15:14:37 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0

Follow-up Comment #2, bug #52809 (project octave):

There might be a lot of stat() calls checking whether any function has
changed.  That seemed to be a possibility from one bug report.  

I usually run with "--no-gui-libs" because I don't use the GUI and because I
don't want to worry about interactions between the Octave thread and the GUI
thread.  That's an indication that the cause is not a slowdown waiting for
data to be synchronized across octave_link.

It doesn't fully explain it, but I would also adding a move constructor for
the dim_vector class because we create a lot of temporary dimension vectors.

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