D7110: Reduce heap allocs by using QVector instead of QList

[Denis Kurz]

dkurz created this revision.
dkurz added a project: KDE PIM.
Restricted Application added a subscriber: KDE PIM.

REVISION SUMMARY
  We only create the containers replaced by this patch
  to iterate over it, and we know its size a priori. QVector
  with its initializer list ctor should be used in such cases
  due to less heap allocations, memory consumption,
  cache misses.

REPOSITORY
  R206 KMail

REVISION DETAIL
  https://phabricator.kde.org/D7110

AFFECTED FILES
  src/kmmainwidget.cpp

To: dkurz, #kde_pim_kmail
Cc: #kde_pim, dvasin, winterz, vkrause, mlaurent, knauss, dvratil
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