Re: GraalVM

This is a good news, also for code portability

Il giorno mer 19 dic 2018, 15:17 Chapman Flack <chap(at)anastigmatix(dot)net> ha
scritto:

> On 12/19/18 07:42, Massimo Fidanza wrote:
> > Do you know about GraalVM (https://www.graalvm.org/)? This is a new
> > polyglot VM that can run in context of Oracle and MySql, I think that
> > supporting it on Postgresql will be a good thing.
>
> PL/Java will run on it now ... just set pljava.libjvm_location to the
> libjvm.so under the graalvm installation.
>
> There's not (yet) support for declaring SQL functions directly in the
> other languages supported; for now, there can be Java functions that
> will call into javascript, R, python, etc. as needed.
>
> Ability to directly declare functions in the various supported languages
> would be the obvious next step; I'm working on some refactoring to make
> that easier.
>
> There are many things cool about GraalVM. Historically, if you're
> implementing a language, you might do the work about three times
> (first developing an interpreter, then a simple JIT for the regions
> the interpreter finds to be hot, then a more optimizing version ...).
> GraalVM only asks you to write the interpreter (with some clever
> annotations) ... and by partial evaluation it can derive your compiler.
>
> -Chap
>