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qelectrotech-source-mirror/sources
Dieter Mayer 139c47d1ce ElementFactory: read link_type from the cached QDom, drop pugixml pass
createElement() ran a full pugixml parse of the element definition for
every instance, only to read the link_type attribute for the subclass
dispatch - on a big example project (191 instances) 49 ms of the load,
measured with temporary instrumentation. The QDom definition is already
cached and the ctor uses it anyway; reading the attribute there costs
~17 ms in total, so the net win is ~30 ms - within run-to-run noise
end-to-end, but it removes an entire redundant parser pass per element.

Behavior unchanged: an absent and an empty link_type both fell through
to SimpleElement before and still do.

(cherry picked from commit d63275971f558c8ac59f35bf4d13d7e424682342)
2026-07-28 13:58:33 +02:00
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