LambdaMetafactory support for property fetches#2985
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Another PR on improving getter access
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@bbakerman I think is worth to also benchmark on JDK 17. |
Fixed test where parameters are present
Benchmark fix up
bbakerman
changed the title
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JDK 17 |
arlampin
reviewed
Oct 17, 2022
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| private static class CachedFunction { | ||
| Function<Object, Object> getter; |
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I remember reading that declaring fields final might improve method reference performance so it might apply here. Although maybe it was just static final constants.
dondonz
reviewed
Oct 29, 2022
| Function<Object, Object> getterFunction = mkCallFunction(sourceClass, candidateMethod.getName(), candidateMethod.getReturnType()); | ||
| return Optional.of(getterFunction); | ||
| } catch (Throwable ignore) { | ||
| // if we can make a dynamic lambda here, then we give up and let the old property fetching code do its thing |
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Suggested change
| // if we can make a dynamic lambda here, then we give up and let the old property fetching code do its thing | |
| // if we can't make a dynamic lambda here, then we give up and let the old property fetching code do its thing |
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Another PR on improving getter access. Thanks to @arlampin for the inspiration.
https://wttech.blog/blog/2020/method-handles-and-lambda-metafactory/
https://www.optaplanner.org/blog/2018/01/09/JavaReflectionButMuchFaster.html
Early benchmarks on direct access versus lambda access versus the reflection method access we have today
JDK 1.8.0_191, Java HotSpot(TM) 64-Bit Server VM, 25.191-b12 - Mac M1