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Re: Constant Use of 100% CPU


Chronological Thread 
  • From: Sebastian Miele <address@hidden>
  • To: Massimiliano Gubinelli <address@hidden>
  • Cc: TeXmacs <address@hidden>
  • Subject: Re: Constant Use of 100% CPU
  • Date: Wed, 29 Jul 2020 19:35:26 +0200
Massimiliano Gubinelli <address@hidden> writes:

> Maybe, something is going wrong in your runloop. If you look into
> Plusings/Qt/qt_gui.cpp you see that we use a QTimer to fire an update
> procedure which runs TeXmacs internal update routines (reading input
> events from a secondary queue, performing changes and updating the
> window graphic surfaces). Maybe something is changed in the version of
> Qt5 which you have and this makes this bug appear, it does not seems
> to me I have seen it on my Mac (with Qt4). If you want to try to debug
> you can see wether the update function is run too often and why.
> Usually the algorithm make sure that, unless there is input to handle,
> the update function is called with reasonable timeout (there are
> delayed events which are produced internally in TeXMacs which have to
> be handled anyway, like the update of the footer bar).

I am still in the process of learning (in detail) the concepts TeXmacs
provides on the surface. It will take some time. But then I will get
back to this and investigate. For now, it basically work.

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