Graal instructions for Eclipse + Checkstyle + Java7

Stefan Marr java at
Mon Jan 25 09:25:34 UTC 2016

Hi Raffaello:

> On 25 Jan 2016, at 10:08, Raffaello Giulietti <raffaello.giulietti at> wrote:
> I see. However, I guess the usage of Truffle for JRuby is just for convenience and for forward compatibility with Java >= 8, not for performance, right?
> Or is there still a Graal implementation for Java7?

It is for compatibility, yes. But there is no Java7-only VM with Graal.
However, while it might not be relevant for peak performance, it can be nice to run Truffle interpreters in Java7 environments, especially if there is no other implementation of the language.

Best regards

Stefan Marr
Johannes Kepler Universität Linz

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