GraalVM JIT now integrated into Oracle JDK but still not in OpenJDK

[Soares, Cesar]

I just came here to ask the same question.

Is there a roadmap? How can I help move this project forward?

> Galahad's primary goal is to contribute Java-related GraalVM technologies to the OpenJDK Community and prepare them for possible incubation in a JDK main-line release.

Will GraalJIT ever be part of OpenJDK? Will polyglot/truffle, native image ?

I’m looking forward to hearing back from you and seeing if my team and I can contribute to making all this happen.


Thanks,
Cesar
Amazon Corretto


On Apr 9, 2025, at 1:51 PM, Glavo <zjx001202 at gmail.com> wrote:


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Can anyone answer this question? It seems to have been neglected.

This is also the question I want to ask. For a long time, no one seemed to mention Galahad again.
I'd like to know what else Project Galahad has done besides releasing GraalVM on the same schedule as OpenJDK and changing Graal's package and module names?
Is there a schedule for merging Graal into OpenJDK mainline?

Glavo

On Tue, Sep 17, 2024 at 3:28 PM Volker Simonis <volker.simonis at gmail.com<mailto:volker.simonis at gmail.com>> wrote:
Hi,

It's a shame to see that the GraalVM JIT compiler has now been integrated into the latest, proprietary Oracle JDK 23 release [1] while project Galahad, the goal of which is exactly the (re-)integration of  the GraalVM JIT into the OpenJDK code base, is slowly wasting away.

What's the reason for this development? I always thought that Oracle JDK is a downstream distribution of OpenJDK? How can it be that the the GraalVM JIT is considered "good enough" for Oracle's commercial distribution but still not ripe for integration into the upstream OpenJDK project? Or do we have to consider the GraalVM JIT as a kind of commercial add-on for differentiating Oracle JDK from other OpenJDK distributions and if that's the case, can we expect additional such "add-ons" in the future?

Speaking more practically - what are the current blockers for the integration of the GraalVM Compiler into OpenJDK? It seems that you (i.e. Oracle) have already done a thorough review and due diligence of the corresponding code. Why doesn't that apply to OpenJDK. Is there anything the community can do in order to advance the project or should we consider project Galahad as failed and dead?

Thank you and best regards,
Volker

[1] https://docs.oracle.com/en/java/javase/23/migrate/significant-changes-jdk-release.html

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