[Qt-creator] Mime performance

[Tobias Hunger]

Hi Orgad,

Everybody around here is waiting for christmas holidays, so do not
expect much to happen in the next few weeks!

On Fri, Dec 21, 2018 at 11:48 AM Orgad Shaneh <orgads at gmail.com> wrote:
> Building the project tree for qtcreator.pro takes about 5 seconds, on which the GUI is blocked.
>
> I profiled setRootProjectNode(QmakeNodeTreeBuilder::buildTree(this)) in QmakeProject, and found out that mimetype resolving is the heaviest operation there.
>
> Is it possible to cache mimetype results? Or at least have a cache for common extension such as cpp/cxx/c/h/hxx?

Sure, ideally somewhere inside the mimetype code itself. I am pretty
sure qmake is not the only kind of project that can benefit from
speeding up detection of common file types.

Best Regards,
Tobias