[Libreoffice-bugs] [Bug 109097] mdds accelerating random lookups

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=109097

--- Comment #5 from Michael Meeks <michael.meeks at collabora.com> ---
Ah - so there are indeed several performance problems here; at least, when I
search for: multi_type_matrix in the sc/ library - I see 4.7bn perhaps up to
8bn pcycles in that code.

When I search for multi_type_vector I see 11bn pcycles (15%) as the top hit,
coming primarily from ScColumn::GetValue; but of course, I live to be mistake
=)

Pretty easy to no-op the ScColumn::GetValue method and see what the impact on
performance is I guess. Still - if it is easy to improve the matrix code it
would be worth doing.

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