https://bugs.documentfoundation.org/show_bug.cgi?id=140731
László Németh <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
Assignee|[email protected] |[email protected]
|u |desktop.org
--- Comment #2 from László Németh <[email protected]> ---
Commit description:
tdf#140731: sw transliteration: avoid too many redlines
As a workaround for the performance regression
from commit 2d3c77e9b10f20091ef338e262ba7756eb280ce9
(tdf#109266 sw change tracking: track transliteration),
switch off redlining to avoid ~freezing, if a single
transliteration could result too many (>~500) redlines.
A single transliteration creates n redlines
for n paragraphs of the selected text, except in
the case of transliterating to title case, where it
creates n redlines for n words. It's very easy
to freeze Writer, because Writer's slowing down with
n redlines is described by an O(n²) (quadratic) time
complexity. Eg. in an experiment, title casing
~660 words was 6 sec, but ~3000 words was 85 sec,
regarding to creating 660 vs 3000 redlines.
Note: this is a partial revert of commit
2d3c77e9b10f20091ef338e262ba7756eb280ce9, if the
selection contains more than 500 paragraphs (or in the
case transliterating to title case, ~500 words).
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