https://bugs.freedesktop.org/show_bug.cgi?id=79761
Priority: medium
Bug ID: 79761
Assignee: [email protected]
Summary: autocorrect slow-down got worse
Severity: normal
Classification: Unclassified
OS: Windows (All)
Reporter: [email protected]
Hardware: Other
Status: UNCONFIRMED
Version: 4.4.0.0.alpha0+ Master
Component: Linguistic
Product: LibreOffice
Created attachment 100586
--> https://bugs.freedesktop.org/attachment.cgi?id=100586&action=edit
large autocorrect lists
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BACKGROUND
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Large autocorrect lists are known to cause transient LibO freeze while you type
the first word of a document. Performance has been improved during years (see
Bug 46805 and Bug 55570) and was stable till 4.2.4.2.
now I've noticed a consisted performance regression in 4.4.0.0.alpha0+
Build ID: dacab84536f61f79a5422e1d8d394019ec62f3ec
TinderBox: Win-x86@39, Branch:master, Time: 2014-06-04_04:27:18
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STEPS TO REPRODUCE
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- unzip attached file and extract the acor_und.dat and acor_it-IT.dat files
(very large lists containing 191034 and 83027 entries) under the autocorr
subfolder of the user profile (see:
https://wiki.documentfoundation.org/UserProfile#Default_location)
- open a Writer new document
- set language as Italian (or rename the acor_it-IT.dat to match you default
language localization i.e acor_en-GB.dat or acor_de-DE.dat)
- type test and hit space
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CURRENT BEHAVIOUR
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LibO freezes for a few seconds before you can actually see the cursor move 1
space forward and you are able to digit again.
LibO 4.2.4.2 --> 4.3 seconds
LibO 4.4.0.0alpha0+ --> 10.3 seconds
tests were done on a 5 years old laptop Win7x64 sp1 - Intel Core 2 Duo - 2.27
GHz - 4GB RAM - HDD
so time will probably be shorter with more powerful equipment, nevertheless
this is a sensible performance regression in respect to 4.2.x
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