Making the loop combinator fast !

Michael Haupt michael.haupt at oracle.com
Tue Sep 20 13:21:29 UTC 2016


Hi Rémi,

I'm aware of sounding stereotypical, but the fix to JDK-8161211 should help with this. It's currently up for review.

Best,

Michael

> Am 14.09.2016 um 23:51 schrieb Remi Forax <forax at univ-mlv.fr>:
> 
> One idea i've got during the JVM Summit,
> here is a code that implements the Stream.filter/map/reduce operations using the new loop method handle,
>  https://gist.github.com/forax/b5257dfac85e74335e02b5a6b95c9182
> 
> Currently, the code that use method handles is far slower than the java.util.stream.Stream equivalent,
> so the challenge is how to make it perform better.
> 
> Maybe, it means we should introduce a special method handle combiner/something else that explicit ask for compiling to bytecode + JITing a method handle.
> 
> cheers,
> Rémi
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