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[Octave-bug-tracker] [bug #55287] Memory leak in plot()

From: Rik
Subject: [Octave-bug-tracker] [bug #55287] Memory leak in plot()
Date: Thu, 27 Dec 2018 13:05:53 -0500 (EST)
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko

Update of bug #55287 (project octave):

                Severity:              3 - Normal => 5 - Blocker            
                  Status:                    None => Confirmed              


Follow-up Comment #5:

I'm pretty sure this behavior was also reported on the Maintainer's list or on
another bug report.  I consider it real.  Using the test code, and watching
the memory usage by the Octave process, I see it go up and up.

I'm adding jwe to the CC list.  One of the changes that was made was to switch
from our own internal reference counting to using C++11 features such as
std::shared_ptr.  It might be that we are somehow not signaling correctly when
we are done with memory.

Also, as noted, this is a huge regression from 4.4.1 where the memory
consumption is quite stable.

This happens with Qt, FLTK, AND gnuplot toolkits.  I ran with the
--no-gui-libs option and still see the issue so it is not related to Qt and
different threads.


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