<div dir="ltr">Thanks for the information. :)<div><br>Additionally, I'll test with an Intel HD Graphics 620 notebook, too.</div><div></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Thu, May 15, 2025 at 5:09 PM Igor Mironchik <<a href="mailto:igor.mironchik@gmail.com">igor.mironchik@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><u></u>
<div>
<p>
</p>
<div>On 15.05.2025 10:44, Sung-Jae, Cho
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">I'll try again with openSUSE Tumbleweed. :)
<div>Please, wait a day. I'll try with virtual machines and real
machines, both.</div>
<div>And if you can bring some hardware information with a video
card driver, xorg-driver, etc,</div>
<div>it'll be helpful for finding the cause.</div>
</div>
</blockquote>
<p>
</p>
<p>Operating System: openSUSE Tumbleweed 20250512
KDE Plasma Version: 6.3.5
KDE Frameworks Version: 6.14.0
Qt Version: 6.9.0
Kernel Version: 6.14.5-1-default (64-bit)
Graphics Platform: X11
Processors: 4 × Intel® Core™ i5-7200U CPU @ 2.50GHz
Memory: 7,6 GiB of RAM
Graphics Processor: llvmpipe
Manufacturer: HP
Product Name: HP ProBook 640 G3
</p>
<p style="margin:0px;text-indent:0px">Extended renderer info (GLX_MESA_query_renderer):</p>
<p style="margin:0px;text-indent:0px"> Vendor: Intel (0x8086)</p>
<p style="margin:0px;text-indent:0px"> Device: Mesa Intel(R) HD Graphics 620 (KBL GT2) (0x5916)</p>
<p style="margin:0px;text-indent:0px"> Version: 25.0.5</p>
<p style="margin:0px;text-indent:0px"> Accelerated: yes</p>
<p style="margin:0px;text-indent:0px"> Video memory: 3909MB</p>
<p style="margin:0px;text-indent:0px"> Unified memory: yes</p>
<p style="margin:0px;text-indent:0px"> Preferred profile: core (0x1)</p>
<p style="margin:0px;text-indent:0px"> Max core profile version: 4.6</p>
<p style="margin:0px;text-indent:0px"> Max compat profile version: 4.6</p>
<p style="margin:0px;text-indent:0px"> Max GLES1 profile version: 1.1</p>
<p style="margin:0px;text-indent:0px"> Max GLES[23] profile version: 3.2</p>
<p style="margin:0px;text-indent:0px">OpenGL vendor string: Intel</p>
<p style="margin:0px;text-indent:0px">OpenGL renderer string: Mesa Intel(R) HD Graphics 620 (KBL GT2)</p>
<p style="margin:0px;text-indent:0px">OpenGL core profile version string: 4.6 (Core Profile) Mesa 25.0.5</p>
<p style="margin:0px;text-indent:0px">OpenGL core profile shading language version string: 4.60</p>
<p style="margin:0px;text-indent:0px">OpenGL core profile context flags: (none)</p>
<p style="margin:0px;text-indent:0px">OpenGL core profile profile mask: core profile</p>
<p style="margin:0px;text-indent:0px">
</p>
<p style="margin:0px;text-indent:0px">
</p>
<p style="margin:0px;text-indent:0px">EGL driver name: iris</p>
<p style="margin:0px;text-indent:0px"> EGL_MESA_image_dma_buf_export, EGL_MESA_query_driver, </p>
<p style="margin:0px;text-indent:0px">EGL driver name: iris</p>
<p style="margin:0px;text-indent:0px"> EGL_MESA_gl_interop, EGL_MESA_image_dma_buf_export, EGL_MESA_query_driver, </p>
<p style="margin:0px;text-indent:0px">EGL driver name: iris</p>
<p style="margin:0px;text-indent:0px"> EGL_MESA_image_dma_buf_export, EGL_MESA_query_driver, </p>
<p style="margin:0px;text-indent:0px">EGL driver name: iris</p>
<p style="margin:0px;text-indent:0px"> EGL_MESA_image_dma_buf_export, EGL_MESA_query_driver, </p>
<p style="margin:0px;text-indent:0px">EGL driver name: swrast</p>
<p style="margin:0px;text-indent:0px"> EGL_MESA_image_dma_buf_export, EGL_MESA_query_driver, </p>
<p style="margin:0px;text-indent:0px">
</p>
<p style="margin:0px;text-indent:0px"></p>
<p></p>
<blockquote type="cite"><br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Thu, May 15, 2025 at
4:38 PM Igor Mironchik <<a href="mailto:igor.mironchik@gmail.com" target="_blank">igor.mironchik@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
On 15.05.2025 08:49, Konstantin Kharlamov wrote:<br>
> On Thu, 2025-05-15 at 08:37 +0300, Igor Mironchik wrote:<br>
>> On 15.05.2025 08:29, Konstantin Kharlamov wrote:<br>
>>> On Thu, 2025-05-15 at 06:29 +0300, Igor Mironchik
wrote:<br>
>>>> Hi.<br>
>>>><br>
>>>> Are any Korean here? I'm curious if they have
very bad<br>
>>>> performance of<br>
>>>> rendering Korean text in any Qt application?
Or is this just<br>
>>>> because<br>
>>>> of<br>
>>>> missing some fonts on my system? I see a huge
performance<br>
>>>> slowdown on<br>
>>>> Korean text rendering.<br>
>>> How did you measure? I'm not a Korean, but I
tried pasting a Korean<br>
>>> wiki article to Kate with "Droid Sans [1ASC]"
font and scrolling<br>
>>> and I<br>
>>> don't see any change in performance. Perhaps some
more scientific<br>
>>> method required.<br>
>><br>
>> I paste in Kate a Korean text (~1kB), it took so much
time to paste<br>
>> and<br>
>> render it (~5 seconds), and Kate starts to think a
lot even on<br>
>> navigating in menu.<br>
>><br>
>> The same with English or Russian text - I don't see
any delays, Kate<br>
>> is<br>
>> responsive.<br>
> I see. Seems something specific to your system — I just
created a 158K<br>
> text file by copy-pasting a Korean Wiki article a dozen
of times, and<br>
> when I open it in Kate, everything is smooth and nice.<br>
><br>
> Is it maybe the font? What font do you use? Can you try
going to Kate<br>
> settings and changing the font to "Droid Sans [1ASC]" (on
Archlnux it's<br>
> a `ttf-droid` package) and seeing if that makes any
difference?<br>
<br>
I guess too this is system specific. I'm on openSUSE
Tumbleweed. <br>
Changing editor's font to Droid Sans doesn't help.<br>
<br>
Ok. I see that this issue is system specific, so my question
is <br>
answered. Maybe somebody can check this issue on Tumbleweed
only?<br>
<br>
Thank you.<br>
</blockquote>
</div>
</blockquote>
</div>
</blockquote></div>