Bug 135245 - FILEOPEN: DOCX: slow opening
Summary: FILEOPEN: DOCX: slow opening
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Writer (show other bugs)
(earliest affected) Master
Hardware: All All
: medium normal
Assignee: Not Assigned
Keywords: bibisectRequest, filter:docx, perf, regression
Depends on:
Blocks: DOCX-Opening
  Show dependency treegraph
Reported: 2020-07-28 19:25 UTC by Telesto
Modified: 2020-08-01 18:32 UTC (History)
1 user (show)

See Also:
Crash report or crash signature:

Example file (22.81 KB, application/vnd.oasis.opendocument.text)
2020-07-28 19:25 UTC, Telesto
DOCX file created by LibreOffice 7.1 (171.76 KB, application/vnd.openxmlformats-officedocument.wordprocessingml.document)
2020-07-31 16:39 UTC, Xisco Faulí

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Description Telesto 2020-07-28 19:25:13 UTC
FILEEXPORT DOCX: Heading off and slow opening

Steps to Reproduce:
1. Open the attached file
2. File save DOCX
3. File reload -> takes 30 seconds

Actual Results:
30 seconds waiting time & every row has multiple numbers

Expected Results:
Opening speed of (4 seconds) and no broken header

Reproducible: Always

User Profile Reset: No

Additional Info:
Version: (x64)
Build ID: <buildversion>
CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: Skia/Raster; VCL: win
Locale: nl-NL (nl_NL); UI: en-US
Calc: CL
Comment 1 Telesto 2020-07-28 19:25:25 UTC
Created attachment 163713 [details]
Example file
Comment 2 Xisco Faulí 2020-07-31 16:38:50 UTC
one bug at a time.
it takes

real	3m41,778s
user	3m35,108s
sys	0m3,169s


Build ID: 231e1e416c039d1f9724962a89cf0573a3db48a2
CPU threads: 4; OS: Linux 4.19; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US
Calc: threaded
Comment 3 Xisco Faulí 2020-07-31 16:39:48 UTC
Created attachment 163819 [details]
DOCX file created by LibreOffice 7.1
Comment 4 Xisco Faulí 2020-07-31 16:49:14 UTC

Build ID: c15927f20d4727c3b8de68497b6949e72f9e6e9e

it takes

real	0m27,966s
user	0m24,575s
sys	0m1,113s