giuseppe.dangelo at kdab.com
Fri May 17 21:12:09 CEST 2019
Il 17/05/19 16:46, Bernhard Lindner ha scritto:
>> I've done this experiment for QMap / QHash / QSet, where keeping COW at
>> the cost of an extra indirection (dptr -> [refcount + std:: class] ->
>> actual data) is more acceptable since these classes jump all over the
>> memory anyhow. Basically "it worked", still requiring a few changes
>> though, e.g. std::unordered_map iterators are forward, QHash ones are
>> bidirectional. If the SIC is acceptable, something to consider for Qt 6.
> Are there any plans/discussions how to procede with that experiment?
It was worth a try after we discussed this possibility a couple of years
ago at QtCS. I don't know if it's still interesting to pursue.
Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com
KDAB - The Qt, C++ and OpenGL Experts
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