Revision 8843d14...(Back to digest)
Optimization in KDE-PIM
Avoid doing the expensive recursive statistics calculation twice.
This is where most of the KMail/Kontact CPU time during a mail check is
lost, caching accumulated stats per node would be a real solution, but
this change already saves 30-50%.
(cherry picked from commit 5078fa63439b38abab8138c997f488d263220481)