[kompare] [Bug 448002] New: Unresponsive on huge files

[Ilyas B Arinov]

https://bugs.kde.org/show_bug.cgi?id=448002

            Bug ID: 448002
           Summary: Unresponsive on huge files
           Product: kompare
           Version: unspecified
          Platform: Debian stable
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: kompare-devel at kde.org
          Reporter: arinov.ilyas at gmail.com
  Target Milestone: ---

SUMMARY
***
Comparing big files with small files makes GUI unusable. Optimize for large
files enabled.
***


STEPS TO REPRODUCE
1. Open any react package.json (~1MB) as A.
2. Open any small file as B.
3. Enjoy.

OBSERVED RESULT
GUI became unresponsive and extremely slow. I guess because of curved lines
rendering.

EXPECTED RESULT
Fast and responsive GUI no matter how huge text file was opened.

SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux 11
KDE Plasma Version: 5.20.5
KDE Frameworks Version: 5.78.0
Qt Version: 5.15.2
Kernel Version: 5.10.0-10-amd64
OS Type: 64-bit
Processors: 6 × AMD Ryzen 5 4500U with Radeon Graphics
Memory: 30.8 GiB of RAM
Graphics Processor: AMD RENOIR

ADDITIONAL INFORMATION
Kompare
Version 4.1.20120

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