For what is worth, the new update mechanism has been ported to LyX
2.3.1. Currently, this is only available on Disco, which has LyX 2.3.2.
It is of course available through the ppa for older versions. I would be
very interested to know whether this new scheme (basically "do things as
it should
Even better, you could try to test latest master of LyX, where a new
screen painting strategy has been implemented. This may eventually be
backported to the 2.3 series at a later time.
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You can test LyX's development version (do not use for any serious work
and expect the worst) by using this PPA:
https://launchpad.net/~lyx-devel/+archive/ubuntu/daily
Install the lyx2.3pre package.
Whether it fixes the issues or does not fix the issues, the developers
would be very interested
I'm running Ubuntu 17.04 with the 375.66 driver and GeForce 1080. LyX's
performance on my machine is very bad, exactly as described above.
Scrolling and typing make the Xorg process use 100% CPU.
I'd be happy to help by testing.
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I just saw
[here](https://bugs.launchpad.net/ubuntu/+source/lyx/+bug/129813) that
this might be related to more general NVIDIA related X issues, that are
[supposedly solved in the latest X
1.19](https://devtalk.nvidia.com/default/topic/976844/xorg-1-19-support/).
I am on a fresh test install of
I am suffering from this bug too. While scrolling, Xorgs cpu usage
increases (moderatly), while the process lyx uses 100% CPU. Scrolling
too far causes the window to grey out, typing text becomes impossibly
complicated due to the lag. None of the proposed fixes above changes
anything for me ...
Version 2.2.1 on Ubuntu 16.04: scrolling is still very slow. No other
applications on my OS behave like this.
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Title:
lyx 1.6.x impossibly slow
Sorry -- I meant to add that using "-graphicssystem raster" only makes
it worse.
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Title:
lyx 1.6.x impossibly slow
To manage notifications about
Any progress? Copy To Texture isn't helping anymore and if I don't type
slowly, it starts dropping characters and giving me non-sense. The
whole input buffer gets trashed.
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Thanks for the feedback. There has been no progress. If you want though,
you can try the development version of LyX. To do that, try the daily
PPA: http://wiki.lyx.org/LyX/LyXOnUbuntu#toc3
I don't think it will fix this issue, but if you want to take 1% chance
that it will fix the issue, and a
I'm desperate - I already did it. Worse .. I didn't know the file
format changed, so now I can't go back for the file I'm working on.
The old version of LyX no longer reads it! *sigh*
On Sun, Aug 3, 2014 at 9:41 PM, Scott Kostyshak skost...@lyx.org wrote:
Thanks for the feedback. There has
File Export 2.1.x will convert it to 2.1.x. You can even convert to
older formats in the File Export More Formats Options men.
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Title:
lyx
I just changed from the proprietary ATI driver to Radeon (as a result of
switching to kernel 3.16) and this bug now affects me. I'm pretty sure
its the driver. I'm also using compiz. Not sure why LyX is so slow
when other apps aren't, but a multi-Ghz machine should be able to keep
up with how
With my LyX developer hat on:
It is known indeed that LyX has problems with the way display is handled.
Unfortunately,
nobody is has the right amount of knowledge and free time to fix that currently.
I would be interested to know what happens if you add to your preferences file
(usually in the
This is incredibly weird.
I added the line to preferences ...
If I start with Copy To Textures off, its OK an I can turn Copy To
Preferences back on while Lyx is running and it looks like the preferences
line has fixed things. It looks very quick like this. I then turned Copy
To Texture back
I would not try to change compiz settings while LyX is running. You are
hurting yourself just for the pleasure of it :)
Could you give a synthetic report about the 2*2 possible settings of
LyX*Compiz ?
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The quote I was looking for is:
SMITH: Doctor, it hurts when I do this.
DALE: Don't do that.
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Title:
lyx 1.6.x impossibly slow
To manage
Sometimes doing things that no sane person would do gives insights.
Othertimes, it just hurts more.
For some odd reason, it seems to be behaving exactly the opposite of how it
was behaving initially as far as Copy To Texture, but maybe I had it in a
different state when LyX started up. The
Thanks a lot for veryfying this. Would you say that using these 'fast'
setting is a good solution or are there drawbacks for other
applications?
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Another thing to try: lauch LyX with option -graphicssystem raster
This uses a different rendering path in Qt, supposedly faster.
If you come up with something, you can add it to our wiki, presumable here:
http://wiki.lyx.org/LyX/LyXOnUbuntu
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Honestly, I have no idea what Copy To Texture was set to before I killed
the proprietary driver. I could never see a difference turning it on
before. But, trying to get rid of the driver lost OpenGL until I fixed it,
and that made Compiz turn off half a dozen plugins. So - who knows how
things
Well, I tried it. Seemed to work, played with all previous options and
none of them could reproduce the bug. So .. to make sure that it was the
-graphicssystem raster option that fixed it, I tried to reproduce the bug
without this option .. and couldn't :/ I have changed nothing. Haven't
even
A t least, yu end up in the desirable scenario. It could have been worse
:)
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Title:
lyx 1.6.x impossibly slow
To manage notifications about this
I managed to get the bug back - not sure why its intermittent. I've been
playing with it for hours and if I bang away like a mad monkey for 5 or 6
lines, then it enters an extra-slow mode where it misses keypresses. I'm
guessing some sort of race condition. Its easier to trigger when the
system
In the meantime I've switched to a new machine (Core i) and Lyx 2.0.0 final on
Debian.
CPU usage of one core (of four) still rockets up when scrolling/writing in a
large LyX window, but it's smooth enough and works without big lags.
So for me this is solved, I'm afraid I'm not going to debug my
I would propose to recompile with --enable-build-type=prof, compile, and then
run LyX under
a profiler like sysprof. This should show what is the process that uses all the
time. If it turns out that it is X, then I am not sure how to proceed.
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After compiling and running the latest LyX 2.0 RC1, the problem still
persists. My minimise workaround got a bit more tedious (having to retry
a few times).
The lag (with maxed out CPU usage) happens when both scrolling and writing (but
not when opening menus) and depends on the window size. For
Le 19 déc. 2010 à 23:32, Pavel Sanda a écrit :
Jean-Marc Lasgouttes wrote:
Running on a machine with Ubuntu 10.10 64bit and Lyx 1.6.7 as well as
1.6.8.
Not sure if it's the same bug, but in my case, I isolated the problem to a
simple procedure:
Close everything (best to reboot) and start up
https://bugs.launchpad.net/bugs/353449
On Mon, Dec 20, 2010 at 9:54 AM, Jean-Marc Lasgouttes
lasgout...@lyx.org wrote:
evince is not qt based, so i cant imagine what can cause such interference.
do yo se some clipboard manager btw?
I don't, but I am not the author of the comment. I can ask,
On Mon, Dec 20, 2010 at 9:54 AM, Jean-Marc Lasgouttes
lasgout...@lyx.org wrote:
Could there be some connection between evince and LyX (related to
forward/backward search)?
I've been reading the descriptions in the bug report, and I'm
wondering if some of them are not related to the table
On Mon, Dec 20, 2010 at 2:34 PM, Pavel Sanda sa...@lyx.org wrote:
Liviu Andronic wrote:
I don't think 1.6.7 provides this functionality, unless the user is
using some fancy config.
but if he uses, then backward search using lyx pipes can be related,
the pipe handling code is dark enough ;)
Running on a machine with Ubuntu 10.10 64bit and Lyx 1.6.7 as well as 1.6.8.
Not sure if it's the same bug, but in my case, I isolated the problem to a
simple procedure:
Close everything (best to reboot) and start up only your LyX file. Scrolling
and writing should be fast even with big
It persists in lyx 2.0.0. My solutions is to switch to console mode and
back again, ctrl+alt+F1 and then ctrl+alt+F8(F7). Then the speed is
great, for a while...;)
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Kosumo, thank you for your detailed description.
But the overall speed is not a matter of key strokes. It is slow from
the beginning (marking text, copy/paste, typing, scrolling...).
It feels like a remote desktop.
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You
@Jens, Yeah... that was exactly what I experienced in my computer last year. At
the moment, I use Lyx 1.6.4 on Ubuntu 9.10 and I have no problem with it
because mostly I only write around 20 or 30 pages per file.
I know it is annoying problem especially if you have a lot of pages to write or
I use Ubuntu 10.10 but the problem is still persistent.
** Tags added: lyx scrolling slow sluggish typing
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The easiest way to deal with this problem is to divide your work into
several parts. For example if you write a thesis, you can divide your
work into several chapters. You just create a master lyx document and
you can put there only the title of all chapters. For the detail of each
chapter you
I have this problem when I use an external screen (22'') with my netbook
(samsung N510). I think that the graphical card has some difficulties to
manage lyx with a big screen.
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lyx 1.6.x impossibly slow
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oops.. I use karmic
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Same issue with Intel 945GME on a Dell Mini 9.
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I found that upgrading to QT 4.5.1 (from Karmic alpha) improved
performance a lot. Scrolling isn't instantaneous on my computer, but it
is much, much better, and it may be because my computer is an
underpowered netbook.
Instructions here:
I found the same condition. I am using lyx 1.6.2 on Ubuntu Jaunty. My
graphic card is Intel GMA X3100 graphics. Anyone find the solution?
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I am using lyx 1.6.2 on Jaunty and have extreme typing delay when
working on my large project report (currently ~40 pages long). It's
straightforward to type more than four or five words ahead of what is
displayed on screen and this causes lyx to grey out while it catches up.
This is extremely
I found that the slowdown was actually my xorg driver.
I have a radeon7500 using the radeon driver. Switching to XAA acceleration
fixed this.
Now scrolling and typing is just like Intrepid.
See bug #363238.
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