Bug 108757 - PDF Export of a particular spreadsheet is slower than it has been before
Summary: PDF Export of a particular spreadsheet is slower than it has been before
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Printing and PDF export (show other bugs)
Version:
(earliest affected)
4.3.0.4 release
Hardware: All All
: medium normal
Assignee: Not Assigned
URL:
Whiteboard: target:6.0.0
Keywords: bibisectRequest, haveBacktrace, perf, regression
Depends on:
Blocks: PDF-Export
  Show dependency treegraph
 
Reported: 2017-06-25 11:10 UTC by Telesto
Modified: 2018-04-29 22:37 UTC (History)
2 users (show)

See Also:
Crash report or crash signature:


Attachments
Callgrind output from master (8.04 MB, application/x-xz)
2017-06-29 08:16 UTC, Buovjaga
Details

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Description Telesto 2017-06-25 11:10:59 UTC
Description:
PDF Export is slower as it has been before

Steps to Reproduce:
1. Attachment 134260 [details]
2. Export it with default setting
3. Take notice of the time required 

Actual Results:  
The time required for export is around 110 seconds with LibO6.0.0.0

Expected Results:
LibO 4.4.6.3 requires only 77 seconds
LibO 4.2.0.4 requires just 12 seconds


Reproducible: Always

User Profile Reset: No

Additional Info:
Found in
Version: 6.0.0.0.alpha0+
Build ID: cb37c5f0f3de7b545231a53d46a5271058af76ad
CPU threads: 4; OS: Windows 6.19; UI render: default; 
TinderBox: Win-x86@42, Branch:master, Time: 2017-06-23_06:55:41
Locale: nl-NL (nl_NL); Calc: CL

and in
4.3.0.4

but not in
Versie: 4.2.0.4 
Build ID: 05dceb5d363845f2cf968344d7adab8dcfb2ba71


User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0
Comment 1 Buovjaga 2017-06-29 08:16:54 UTC
Created attachment 134373 [details]
Callgrind output from master

Arch Linux 64-bit, KDE Plasma 5
Version: 6.0.0.0.alpha0+
Build ID: f808c50c6eece87d515df3b84b1c774395b5d9bc
CPU threads: 8; OS: Linux 4.11; UI render: default; VCL: kde4; 
Locale: fi-FI (fi_FI.UTF-8); Calc: group
Built on June 26th 2017
Comment 2 Commit Notification 2017-11-23 21:20:14 UTC
Serge Krot committed a patch related to this issue.
It has been pushed to "master":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=4c5a19f9cf98fb2b38ee6b4b35f4074499270353

related tdf#108757 small enhancements for speed up

It will be available in 6.0.0.

The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
http://wiki.documentfoundation.org/Testing_Daily_Builds

Affected users are encouraged to test the fix and report feedback.
Comment 3 Telesto 2017-12-16 14:54:12 UTC
Not perfect, but a lot better (- +/- 40 sec) with
Version: 6.1.0.0.alpha0+
Build ID: cc1db6f2b0ebe05ae807628778835b62df00eca2
CPU threads: 4; OS: Windows 6.3; UI render: default; 
TinderBox: Win-x86@42, Branch:master, Time: 2017-12-02_23:45:34
Locale: nl-NL (nl_NL); Calc: CL
Comment 4 Buovjaga 2017-12-16 15:04:37 UTC
(In reply to Telesto from comment #3)
> Not perfect, but a lot better (- +/- 40 sec) with
> Version: 6.1.0.0.alpha0+
> Build ID: cc1db6f2b0ebe05ae807628778835b62df00eca2
> CPU threads: 4; OS: Windows 6.3; UI render: default; 
> TinderBox: Win-x86@42, Branch:master, Time: 2017-12-02_23:45:34
> Locale: nl-NL (nl_NL); Calc: CL

Serge: thanks for your work! Should a new report be opened with more specific goals defined? Or do you want to keep this open?