Bug 120102 - Sluggish scrolling for a large complex document
Summary: Sluggish scrolling for a large complex document
Status: RESOLVED DUPLICATE of bug 60418
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Writer (show other bugs)
(earliest affected) release
Hardware: All All
: medium normal
Assignee: Not Assigned
Keywords: perf
: 120756 (view as bug list)
Depends on:
Blocks: Main-Loop
  Show dependency treegraph
Reported: 2018-09-24 10:10 UTC by Telesto
Modified: 2018-10-22 17:55 UTC (History)
2 users (show)

See Also:
Crash report or crash signature:
Regression By:


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Description Telesto 2018-09-24 10:10:37 UTC
Sluggish scrolling for a large complex document (source: bug 113091 comment 7)

Steps to Reproduce:
Another example bibisected to the same commit range:
1. Open attachment 137973 [details] (bug 106208)
2. Scroll down with scroll wheel (sluggish at some parts and 100% CPU usage for a single core)

Actual Results:
Slow scrolling

Expected Results:
Smooth scrolling (as before)

Reproducible: Always

User Profile Reset: No

Additional Info:
Build ID: 7d242f3bd7277236046f90d3f32b9792fd8ea97b
CPU threads: 4; OS: Windows 6.3; UI render: default; 
TinderBox: Win-x86@42, Branch:master, Time: 2018-09-18_23:43:19
Locale: nl-NL (nl_NL); Calc: CL

Bibiseced to the following range:

$ git bisect bad 3f4cc8db52a676c8bb37ebcf9996e73ef3240f0d is the first bad commit
commit 3f4cc8db52a676c8bb37ebcf9996e73ef3240f0d
Author: Norbert Thiebaud <nthiebaud@gmail.com>
Date:   Mon May 25 22:26:52 2015 -0500

    source sha:9b4abcd1c45a646a1ac9120fe1c489ba6bb44e95

    source sha:9b4abcd1c45a646a1ac9120fe1c489ba6bb44e95
    source sha:acaafc03e623ac25d4408605f34d50618926c5d0
    source sha:567f51192483059ec57c16a6045141746d4b01f9
    source sha:ef6f2490a697e7c23fea40c567f751db05f1bbbf
    source sha:2c0189a8a3aeb3668bf6de1ea1958ba475b80a38
    source sha:3da65dc8982167517f19e80a288b049118bc3d23
    source sha:2a0b6705724c4ea65b56eb0f45bccfa253d9fdc2
    source sha:59619dbe971852d5cd35dcc3f78eda9bebeb99aa
    source sha:e7c2b4b981b9b43c31fa442d5596b7a765dbe699
    source sha:6f4dc6af39ecf2f90155205ad097601a8b2f602c
    source sha:ca3700c42238e71684ec1d5f5eacaea4b1ca3b30
    source sha:8da61f23384c7f3f2850a6362765506e4e078862
    source sha:d05a64df34fd143670cb939b72abfb32d6b714c7
    source sha:01f406bc28f53acc5a2734af637aa8074a5d1813
    source sha:b6bb2e9315c9bc3338eaf066df40a969eb4774aa
    source sha:d851e1e3c29afd3315cc763144c6eb92fbef5054
    source sha:7e2a0df7e7b4551698d1d7172ef12ad1e0fd8826
    source sha:b11dba5be288ca5aaed1403093033708f7091c42
    source sha:49439d4a67b06227e56a2855c856e3482323a28a
    source sha:ff52f4e417eb4de5e85388a48a650429b1880762
    source sha:d411dca1ea6bfccb7090d4ceab15119253cac5bf
    source sha:f384496d125255a94bfd5978e0cbe44d6d046adb
    source sha:f33d6800fbdc42aa75477e31be0bba5a4a5a52c1
    source sha:8f9b0c869222e57f738bc25d51cc6364e3c6a65a
    source sha:00717355c2d10bacbae46941b82247d74fd89108
    source sha:2d95bc0510d43c11bb3bd03f590e24ba3d7ca30f
    source sha:ddd4a787ebde1b47e5ddfbd5995e2a0fe6b22ee2
    source sha:0e10b34342bd7b94b69f2eac8c9b1df89a2725f3
    source sha:b380220bc1404ed5a9daa1a28f70696e84543f61
    source sha:5bd1106c3758c8cb0c19b09799970440501fde02
    source sha:3f64e7c16a63fdc330e108cd74182c615d229bb6
    source sha:4c3cea26b84cc70a67ff4eda99b842d8786a3628
    source sha:256c5c3f28ef70b70d38e2e07dfca4baab654612
    source sha:57656eb1fae5ae6c4d3b7542a385a93ff434e4e7
    source sha:49524c6dcf04b9dadef8d2b084cf26abcf70b8a9
    source sha:826143684d2697a8620373dce18fa5f24332d5cb
    source sha:d8305248f687ffa522b56955508d82d60ad5b8c6
    source sha:a74efa665c8199899cd778900de686e2b8710fee
    source sha:e6e8a060ecc6e4fd51cfe88e00d841d546ed5915

:040000 040000 ad77b1a03396af9c8460d94e13cf1c28e5bf54bc dbf71bf6a72509169933f08eb57842c37a266627 M      instdir
Comment 1 Buovjaga 2018-10-22 16:37:23 UTC

Arch Linux 64-bit
Build ID: 9a373521d7a328197a4bf9abeb0a981b7acba896
CPU threads: 8; OS: Linux 4.18; UI render: default; VCL: gtk3_kde5; 
Locale: fi-FI (fi_FI.UTF-8); Calc: threaded
Built on 19 October 2018
Comment 2 Telesto 2018-10-22 17:43:01 UTC
*** Bug 120756 has been marked as a duplicate of this bug. ***
Comment 3 Telesto 2018-10-22 17:53:05 UTC
The bibisect results a probably a glitch. Bug 120756 is also reproducible with It comes down to comments.. so again bug 61558

*** This bug has been marked as a duplicate of bug 61558 ***
Comment 4 Telesto 2018-10-22 17:55:06 UTC
Sorry should be bug 60418

*** This bug has been marked as a duplicate of bug 60418 ***