Switch vs if ?

Laurent Bourgès bourges.laurent at gmail.com
Tue Jan 16 09:41:10 UTC 2018


I ask you as you are the hotspot & jvm performance experts.

Do you know if hotspot prefers if over switch on integer values (profiling
hotspots) ?

Is it worth to order integer cases with higher probability first or not ?

How to optimize such if cascades ?

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