Description: Performance regression for changing formatting in a large document. However the same issue seems also to occur at file opening. Steps to Reproduce: Option 1 (corresponding with the summary) 1. Open the attached file 2. Select All and apply formatting. Monitor CPU usage Option 2 1. Download the attached file 2. Make a few copy's of it (4 or 5) 3. Disable Automatic spell checking 3. Open all of them at once, at monitor how long it takes until CPU utilization drops to (nearly zero) Actual Results: CPU is maxed out for 7 seconds with Master, but with LibO4.4.6.3 it's only a 2 seconds Expected Results: CPU behavior similar to LibO 4.4.6.3 Reproducible: Always User Profile Reset: No Additional Info: Found in Version: 5.5.0.0.alpha0+ Build ID: 076ed447f694239d5c67adee528ea6e471d909ff CPU threads: 4; OS: Windows 6.19; UI render: default; TinderBox: Win-x86@42, Branch:master, Time: 2017-06-09_23:54:20 Locale: nl-NL (nl_NL); Calc: CL and in Version: 5.1.0.3 Build ID: 5e3e00a007d9b3b6efb6797a8b8e57b51ab1f737 CPU Threads: 4; OS Version: Windows 6.2; UI Render: default; Locale: en-US (nl_NL) a shorter spike in Version: 5.0.0.5 Build ID: 1b1a90865e348b492231e1c451437d7a15bb262b Locale: nl-NL (nl_NL) No spike in Versie: 4.4.6.3 Build ID: e8938fd3328e95dcf59dd64e7facd2c7d67c704d Locale: nl_NL User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0
Created attachment 134007 [details] Example file
Yep. Arch Linux 64-bit, KDE Plasma 5 Version: 6.0.0.0.alpha0+ Build ID: ab27953d9ef2076e0acd43ed4ba6652732794777 CPU threads: 8; OS: Linux 4.11; UI render: default; VCL: kde4; Locale: fi-FI (fi_FI.UTF-8); Calc: group Built on June 23rd 2017 Arch Linux 64-bit Version 3.6.7.2 (Build ID: e183d5b)
*** This bug has been marked as a duplicate of bug 113139 ***
*** This bug has been marked as a duplicate of bug 112989 ***