Libreoffice is problematic and slow in persian/arabic documents

avasam · 2021-12-23 09:49:47

In my Archlinux i installed libreoffice-fresh package
there is no problem when working on English language documents, but if my document is Persian or Arabic, libreoffice Writer and libreoffice Impress will slow down and other problems will occur.

Is this an error of Persian fonts Or LibreOffice is inherently problematic with Arabic Persian ?

this is my libreoffice information

Version: 7.1.8.1 / LibreOffice Community
Build ID: 10(Build:1)
CPU threads: 6; OS: Linux 5.15; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US
7.1.8-3
Calc: threaded

Last edited by avasam (2021-12-23 09:50:56)

seth · 2021-12-23 10:16:26

It's probably not about the font but that the document is RTL (ie. because you're writing the wrong direction )
You could try a LTR Fārsi document, https://ask.libreoffice.org/t/changing- … tr/52739/6

avasam · 2021-12-23 10:37:33

seth wrote:

It's probably not about the font but that the document is RTL (ie. because you're writing the wrong direction tongue )
You could try a LTR Fārsi document, https://ask.libreoffice.org/t/changing- … tr/52739/6

Thanks But my problem is not about direction... right now my libreoffice is RTL . my problem is about slow when typing and lagging

seth · 2021-12-23 10:51:17

Yes and I suspect it to be slow *because* you're on RTL and suggest to confirm that by trying LTR Fārsi (w/ the link as guide how to do that)

progandy · 2021-12-23 11:05:39

There are some speed bugs with RTL documents:

https://bugs.documentfoundation.org/sho … i?id=64991 (for opening large RTL docs)
https://bugs.documentfoundation.org/sho … i?id=80788 <-- this was closed, maybe because it was too old and nobody verified it was still a bug?
If you have a dictionary for your rtl languages installed, maybe try to disable/remove that.

Last edited by progandy (2021-12-23 11:06:23)

avasam · 2021-12-23 16:25:02

seth wrote:

Yes and I suspect it to be slow *because* you're on RTL and suggest to confirm that by trying LTR Fārsi (w/ the link as guide how to do that)

i tested libreoffiice writer was still slow when I use LTR

avasam · 2021-12-23 16:27:09

progandy wrote:

There are some speed bugs with RTL documents:
https://bugs.documentfoundation.org/sho … i?id=64991 (for opening large RTL docs)
https://bugs.documentfoundation.org/sho … i?id=80788 <-- this was closed, maybe because it was too old and nobody verified it was still a bug?
If you have a dictionary for your rtl languages installed, maybe try to disable/remove that.

It's not about RTL or LTR ... When I write Persian and I am even LTR , it is still slowly... its about persian/Arabic or not !
Another problem is slowing down when zooming or zoom out on document ! it's very very slow when i have only 3 page document in libreoffice writer

seth · 2021-12-23 17:04:08

Zooming in/out in Fārsi or even in English?

On a hunch:

glxinfo -B

avasam · 2021-12-23 21:15:41

seth wrote:

Zooming in/out in Fārsi or even in English?
On a hunch:
glxinfo -B

After the last post I went and installed Fedora . With the same driver and the same version of libre Office , everything is OK

avasam · 2021-12-23 21:16:16

seth wrote:

Zooming in/out in Fārsi or even in English?
On a hunch:
glxinfo -B

No . only with farsi documents.

avasam · 2021-12-23 21:19:48

seth wrote:

Zooming in/out in Fārsi or even in English?
On a hunch:
glxinfo -B

this is output in my ARCH linux :

➜ glxinfo -B
name of display: :0.0
display: :0  screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
    Vendor: nouveau (0x10de)
    Device: NV117 (0x1380)
    Version: 21.3.2
    Accelerated: yes
    Video memory: 2022MB
    Unified memory: no
    Preferred profile: core (0x1)
    Max core profile version: 4.3
    Max compat profile version: 4.3
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.2
OpenGL vendor string: nouveau
OpenGL renderer string: NV117
OpenGL core profile version string: 4.3 (Core Profile) Mesa 21.3.2
OpenGL core profile shading language version string: 4.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile

OpenGL version string: 4.3 (Compatibility Profile) Mesa 21.3.2
OpenGL shading language version string: 4.30
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile

OpenGL ES profile version string: OpenGL ES 3.2 Mesa 21.3.2
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20

seth · 2021-12-23 21:29:02

Did you try the binary nvidia driver?
https://archlinux.org/packages/extra/x86_64/nvidia/

avasam · 2021-12-23 22:25:45

seth wrote:

Did you try the binary nvidia driver?
https://archlinux.org/packages/extra/x86_64/nvidia/

Yes. At first I was on the nvidia driver and later I migrated to nuoveau.

seth · 2021-12-23 22:53:33

I don't see how this squares w/ your assertion to have used the "same driver" and libreoffice version on fedora, but if it's not the GPU, not libreoffice and not the RTL condition you're indeed pretty much left w/ the font and therefore should compare the font you use (for Fārsi glyphs) on arch and fedora - though it's beyond me how this could have any performance impact. But then, I also don't write much Fārsi…

avasam · 2021-12-24 06:37:35

seth wrote:

I don't see how this squares w/ your assertion to have used the "same driver" and libreoffice version on fedora, but if it's not the GPU, not libreoffice and not the RTL condition you're indeed pretty much left w/ the font and therefore should compare the font you use (for Fārsi glyphs) on arch and fedora - though it's beyond me how this could have any performance impact. But then, I also don't write much Fārsi…

yes i tested on fedora and archlinux in same modes. fonts , drivers , libreoffice version and ... was same.
Also i discovered something else that might be related to this problem .
when i play audio file in vlc media player and when I want to move audio time forward the sound emitted from the system is lagged and i checked

htop

And I saw the CPU usage go up for a few seconds

Last edited by avasam (2021-12-24 06:38:04)

Arch Linux

#1 2021-12-23 09:49:47

Libreoffice is problematic and slow in persian/arabic documents

#2 2021-12-23 10:16:26

Re: Libreoffice is problematic and slow in persian/arabic documents

#3 2021-12-23 10:37:33

Re: Libreoffice is problematic and slow in persian/arabic documents

#4 2021-12-23 10:51:17

Re: Libreoffice is problematic and slow in persian/arabic documents

#5 2021-12-23 11:05:39

Re: Libreoffice is problematic and slow in persian/arabic documents

#6 2021-12-23 16:25:02

Re: Libreoffice is problematic and slow in persian/arabic documents

#7 2021-12-23 16:27:09

Re: Libreoffice is problematic and slow in persian/arabic documents

#8 2021-12-23 17:04:08

Re: Libreoffice is problematic and slow in persian/arabic documents

#9 2021-12-23 21:15:41

Re: Libreoffice is problematic and slow in persian/arabic documents

#10 2021-12-23 21:16:16

Re: Libreoffice is problematic and slow in persian/arabic documents

#11 2021-12-23 21:19:48

Re: Libreoffice is problematic and slow in persian/arabic documents

#12 2021-12-23 21:29:02

Re: Libreoffice is problematic and slow in persian/arabic documents

#13 2021-12-23 22:25:45

Re: Libreoffice is problematic and slow in persian/arabic documents

#14 2021-12-23 22:53:33

Re: Libreoffice is problematic and slow in persian/arabic documents

#15 2021-12-24 06:37:35

Re: Libreoffice is problematic and slow in persian/arabic documents

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