https://bugs.documentfoundation.org/show_bug.cgi?id=98665
Michael Stahl <[email protected]> changed:
What |Removed |Added
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CC| |[email protected],
| |[email protected],
| |[email protected],
| |[email protected]
--- Comment #17 from Michael Stahl <[email protected]> ---
the obvious problem in the callgrind of comment #16 is that
the table styles export is cubic.
SwXTextTables::getByIndex calls SwDoc::GetTableFrameFormatCount,
which does a loop over SwDoc::mpTableFrameFormatTable, then it calls
SwDoc::GetTableFrameFormat, which does another loop over the array.
SwXTextTableStyle::isInUse calls SwXTextTables::getByIndex
in a loop for n/2 times on average, where n is # of tables.
SwXTextCellStyle::isInUse calls SwXTextTableStyle::isInUse
once, and is called once per cell.
so we do about n * n/2 * m just to determine if styles are used,
that's pretty bad.
the SwX*Styles code was apparently added in commit
17f440e7e7f1621edebc58f8be5e85b68ee7dcf4
"GSoC Table Styles, TableStyle isInUse, isUserDefined, mutex fixes"
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