ClassValue perf?

Michael Haupt michael.haupt at oracle.com
Fri Apr 29 11:19:32 UTC 2016


Hi Jochen,

> Am 29.04.2016 um 12:17 schrieb Jochen Theodorou <blackdrag at gmx.org>:
> my fear is a bit that having only a single value, will not be enough if you have for example multiple dynamic languages running... let's say Nashorn, JRuby, and Groovy. Also, if I ever get there, using multiple values would become a normal case in Groovy.
> 
> So any size depending optimization looks problematic for me

I may misunderstand you here - note the patch does not introduce a single-value *only* ClassValue. The patch is meant to introduce a special case for as long as there is only one value associated with a class. As soon as a second value comes in, the ClassValue will transition to the usual map storage.

Please let me know if this is a response to your concern.

Best,

Michael

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