[Octave-bug-tracker] [bug #42255] Octave GUI command window become very slow

[Mike Miller]

Update of bug #42255 (project octave):

                  Status:                    None => Need Info              

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Follow-up Comment #6:

It might be useful to diagnose this a bit further. So you experience a severe
slowdown in the GUI after pasting a large array into the command window,
correct?

Note that when typing or pasting into Octave's interpreter, newlines are
interpreted as starting a new row of a matrix. So the dimensions of the
resulting array in Octave were probably not what you expected. Could you try
what you were originally doing and report back what the size of the variable
is? Also what dimensions, type, and memory size does the 'whos' command
report? In other words


x = <paste your array here>
size (x)
whos x


I wonder whether it's the size of the data, or something about the way the
data is being interpreted when pasting into Octave, or the size of the
scrollback window in the GUI, or the copy/paste buffer itself that is causing
Octave to slow down.

Can you attach a file to this bug report (compressed if necessary) that
contains the text that I could copy and paste into Octave to try to reproduce
this?

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