[Libreoffice-bugs] [Bug 129166] XCellRangeData::setDataArray is many times slower when data contains some empty strings

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=129166

Roman Kuznetsov <79045_79045 at mail.ru> changed:

           What    |Removed                     |Added
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                 CC|                            |noelgrandin at gmail.com

--- Comment #10 from Roman Kuznetsov <79045_79045 at mail.ru> ---
(In reply to Noel Grandin from comment #9)
> Ha :-)
> 
> 
> Our data structures are very heavily optimised for continuous runs of data
> of the same type.
> 
> In this case, the first macro hits the heavily optimised path and runs very
> fast.
> The second macro introduces discontinuities (because every 10th element is a
> different type), which pushes us off the optimised path.
> 
> In the first case, we end up with one block of MDDS data, and in the second
> case, we get a new block of MDDS data every 10th block, which adds up really
> quickly.

Noel, do you mean that it's not a bug?

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