https://bugs.documentfoundation.org/show_bug.cgi?id=136598
Bug ID: 136598
Summary: Revalidate paragraph signatures only after find &
replace operation is completed
Product: LibreOffice
Version: 5.0.0.5 release
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: perf
Severity: enhancement
Priority: medium
Component: Writer
Assignee: [email protected]
Reporter: [email protected]
Futher optimisation opportunity from bug 119286 comment 14
Quote:
"We repeatedly revalidate the paragraph signature. Since we're making changes
to individual words/letters, this is effectively O(n^2). A smarter thing to do
would be to only do this validation after the replace operation."
This "is tricky because it uses the UNO API to inspect the document, while the
rest of the code is using the internal raw API"
Perf can be tested like so:
1. Open attachment 144181
2. Disable the automatic spell checking if enabled
3. In the Search for field put "." (a single period)
4. In the Replace with field put "x"
5. Make sure Whole words only is unchecked
6. Click Other Options to expand the dialog, and make sure Regular expressions
is checked
7. Click Replace All
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