Last modified: 2012-11-01 00:36:39 UTC

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Bug 22559 - extremely poor performance with vertical files
extremely poor performance with vertical files
Status: NEW
Product: MediaWiki extensions
Classification: Unclassified
wikidiff2 (Other open bugs)
unspecified
All All
: Normal enhancement (vote)
: ---
Assigned To: Nobody - You can work on this!
: performance
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2010-02-17 01:42 UTC by Domas Mituzas
Modified: 2012-11-01 00:36 UTC (History)
3 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments
testcase (198.14 KB, application/octet-stream)
2010-02-17 11:29 UTC, Domas Mituzas
Details

Description Domas Mituzas 2010-02-17 01:42:10 UTC
more vertical markup input is, longer it takes for wkidiff2 to compare it.

e.g. ~160kb text file, when presented in vertical form of 30k lines, it took 40s to compare changes, whereas same text file when reformatted into 2k lines, was compared in 0.027s.
Comment 1 Tim Starling 2010-02-17 03:08:23 UTC
Please attach test files.
Comment 2 Domas Mituzas 2010-02-17 11:29:38 UTC
Created attachment 7138 [details]
testcase

Hereby I attach an archive with files:

a1, a2 - expensive delta
b1, b2 - cheap delta
Comment 3 Nemo 2012-04-13 08:22:51 UTC
Reality check for severity -> enhancement (also compare other bugs in wikidiff2).
Comment 4 Domas Mituzas 2012-04-14 01:15:43 UTC
yup, screw perf.
Comment 5 Rob Lanphier 2012-11-01 00:36:39 UTC
Adding performance keyword, but removing Tim specifically since he's not working on this one right now.

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