https://bugs.documentfoundation.org/show_bug.cgi?id=155410
--- Comment #19 from Roland Baudin <[email protected]> --- OK, thanks for the patch! I did another test: same hardware, same document, fresh LO profiles. Here are the results: Scrolling time: SAL_USE_VCLPLUGIN=gtk3 /opt/libreoffice7.4/program/swriter => 13.5 s SAL_USE_VCLPLUGIN=gtk3 /opt/libreoffice7.5/program/swriter => 16.5 s SAL_USE_VCLPLUGIN=gtk3 /opt/libreoffice7.6/program/swriter => 16.5 s SAL_USE_VCLPLUGIN=gtk3 /opt/libreofficedev24.2/program/swriter => 13.5 s Comparison with qt5: SAL_USE_VCLPLUGIN=qt5 /opt/libreoffice7.4/program/swriter => 7.5 s SAL_USE_VCLPLUGIN=qt5 /opt/libreoffice7.5/program/swriter => 7 s SAL_USE_VCLPLUGIN=qt5 /opt/libreoffice7.6/program/swriter => 7 s SAL_USE_VCLPLUGIN=qt5 /opt/libreofficedev24.2/program/swriter => 6.5 s So as you can see, the patch from LO dev24.2 has clearly reduced the scrolling time and now the performances are the same as in LO 7.4. Well done! Here are the LO builds I used (in Ubuntu 22.04.3): For gtk3: Version: 7.4.7.2 / LibreOffice Community Build ID: 723314e595e8007d3cf785c16538505a1c878ca5 CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: gtk3 Locale: fr-FR (fr_FR.UTF-8); UI: en-US Calc: CL Version: 7.5.8.2 (X86_64) / LibreOffice Community Build ID: f718d63693263970429a68f568db6046aaa9df01 CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: gtk3 Locale: fr-FR (fr_FR.UTF-8); UI: en-US Calc: CL threaded Version: 7.6.2.1 (X86_64) / LibreOffice Community Build ID: 56f7684011345957bbf33a7ee678afaf4d2ba333 CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: gtk3 Locale: fr-FR (fr_FR.UTF-8); UI: en-US Calc: CL threaded Version: 24.2.0.0.alpha0+ (X86_64) / LibreOffice Community Build ID: fc1ba4d17fd71656205697a6cf19432037e4a9d6 CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: gtk3 Locale: fr-FR (fr_FR.UTF-8); UI: en-US Calc: CL threaded For qt5: Version: 7.4.7.2 / LibreOffice Community Build ID: 723314e595e8007d3cf785c16538505a1c878ca5 CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: qt5 (qfont+xcb) Locale: fr-FR (fr_FR.UTF-8); UI: en-US Calc: CL Version: 7.5.8.2 (X86_64) / LibreOffice Community Build ID: f718d63693263970429a68f568db6046aaa9df01 CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: qt5 (cairo+xcb) Locale: fr-FR (fr_FR.UTF-8); UI: en-US Calc: CL threaded Version: 7.6.2.1 (X86_64) / LibreOffice Community Build ID: 56f7684011345957bbf33a7ee678afaf4d2ba333 CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: qt5 (cairo+xcb) Locale: fr-FR (fr_FR.UTF-8); UI: en-US Calc: CL threaded Version: 24.2.0.0.alpha0+ (X86_64) / LibreOffice Community Build ID: fc1ba4d17fd71656205697a6cf19432037e4a9d6 CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: qt5 (cairo+xcb) Locale: fr-FR (fr_FR.UTF-8); UI: en-US Calc: CL threaded -- You are receiving this mail because: You are the assignee for the bug.
