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Deeply-nested super or constant lookup is slower in 9k than in 1.7. #2362

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headius opened this Issue Dec 29, 2014 · 1 comment

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  JRuby 9.2.0.0
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headius commented Dec 29, 2014

Originally reported as http://jira.codehaus.org/browse/JRUBY-6312

The benchmark:

https://gist.github.com/headius/d1e6b73c79ca608d6c6c

It appears to be consistently slower than 1.7, even with invokedynamic mode. This will be a good one to investigate before 9k final.

@headius headius added jit performance ir JRuby 9000 labels Dec 29, 2014

@headius headius added this to the JRuby 9.0.0.0 milestone Dec 29, 2014

@enebo enebo modified the milestone: JRuby 9.0.0.0 Jul 14, 2015

@kares kares added this to the JRuby 9.2.0.0 milestone Jun 22, 2017

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headius commented May 16, 2018

JRuby 9.2 is now faster than 1.7.27 for all cases.

@headius headius closed this May 16, 2018

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