Comment 3 for bug 1184581

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Daniel Schürmann (daschuer) wrote : Re: Fix triple hash table lookup in midicontroller.cpp

Just found http://woboq.com/blog/qmap_qhash_benchmark.html (please read discussion as well)

Conclusion:
Use QMap for small Lists.
Break even depends on the key length. It is at 10 .. 512 Elements for 1 ... 200 Elements
For our typical ConfigKey() keys it will near ~50 Elements.