Created attachment 164241 [details] Screenshot of the problem in Writer If I try to insert a new paragraph before the table in attachment #154864 [details] there is a small ~two seconds delay (on my old-ish laptop) with hourglass icon before the table layout is recalculated. Interestingly deleting the new paragraph and re-adding it is fast, but adding one more new is not. In 6.4 and before this went much more smoothly. Steps to reproduce: 1. Open attachment #154864 [details] 2. Add a new paragraph before the table Actual results: Each new paragraph takes about two seconds on wait. Expected results: Instant result. LibreOffice details: Version: 7.1.0.0.alpha0+ (x64) Build ID: <buildversion> CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: default; VCL: win Locale: hu-HU (hu_HU); UI: hu-HU Calc: CL Also in: Version: 7.0.0.3 (x64) Build ID: 8061b3e9204bef6b321a21033174034a5e2ea88e CPU szálak: 4; OS: Windows 6.3 Build 9600; Felületmegjelenítés: Skia/Raster; VCL: win Locale: hu-HU (hu_HU); UI: hu-HU Calc: CL (in older versions several new paragraphs are need to be added to trigger the bug, also sometimes clicking into the table and out of it) Verzió: 6.0.0.3 Build az.: 64a0f66915f38c6217de274f0aa8e15618924765 CPU szálak: 4; OS: Windows 6.3; Felületmegjelenítés: alapértelmezett; Területi beállítások: hu-HU (hu_HU); Calc: CL Version: 5.3.0.3 Build ID: 7074905676c47b82bbcfbea1aeefc84afe1c50e1 CPU Threads: 4; OS Version: Windows 6.2; UI Render: GL; Layout Engine: new; Locale: en-US (hu_HU); Calc: CL But not yet in: Version: 5.2.0.4 Build ID: 066b007f5ebcc236395c7d282ba488bca6720265 CPU Threads: 4; OS Version: Windows 6.2; UI Render: GL; Locale: en-US (hu_HU) Additional Information: Bibisected using bibisect-win32-5.3 to: URL: https://cgit.freedesktop.org/libreoffice/core/commit/?id=8a800eea613c0f5ad3302136766791dc58880fb3 author Mike Kaganski <mike.kaganski@collabora.com> 2016-12-08 23:01:03 +0300 committer Andras Timar <andras.timar@collabora.com> 2016-12-12 20:24:29 +0000 tdf#104425 sw: split rows w/large min height (fix layout loop) Before this it was possible to add so many empty paragraphs that pushed the table to the next page. With this about at the middle of the page several seconds of pause happens. Which is not exactly what happens today.
Can't reproduce it on Arch Linux w/ Version: 6.4.5.2 Build ID: 6.4.5-2 CPU threads: 4; OS: Linux 5.7; UI render: default; VCL: gtk3; Locale: it-IT (en_GB.UTF-8); UI-Language: en-GB Calc: threaded if I try to add a new paragraph (press Enter key) LO adds new lines instantaneously without CPU spikes BUT adding new lines do not move table that stays at the original position and new lines will be added in the background of the table See screenshot
Created attachment 164245 [details] cannot reproduce the issue
Created attachment 179538 [details] Perf flamegraph Took a perf trace of a single new line. It's still slow. Version: 7.4.0.0.alpha0+ / LibreOffice Community Build ID: 2f2df626117380427d2e5e8417316f52823f1e6f CPU threads: 8; OS: Linux 5.17; UI render: default; VCL: kf5 (cairo+xcb) Locale: fi-FI (fi_FI.UTF-8); UI: en-US Calc: threaded
Created attachment 179592 [details] Perf flamegraph I might have absentmindedly used some incorrect version for testing, so uploading a trace taken with an --enable-symbols build Version: 7.4.0.0.alpha0+ / LibreOffice Community Build ID: b2b821715a3745718a941fa99dda92137c0f0c86 CPU threads: 8; OS: Linux 5.17; UI render: default; VCL: kf5 (cairo+xcb) Locale: fi-FI (fi_FI.UTF-8); UI: en-US Calc: threaded
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