When switching custom ROMs (in ART), is it necessary to wipe the Dalvik Cache?
Wiping the Cache is necessary, but should wiping Dalvik (which doesn't exist in Android Lollipop and afterward) be necessary?
What impact will it cause if we wipe Dalvik (something not present)?
In ART, what does the Dalvik cache contains? (is it an empty folder?)
Answer
The Dalvik Cache is still in use under ART, it is the location where the .oat files (they contain the compiled application, compiled during installation ) are stored, they just didn't change the name. Source: 1
So Wiping may be necessary if ART related files were updated. Because it does no harm other than compiling all applications again, I suggest just doing it to be safe.
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