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Re: Alternative java/JVM working on armel/powerpc?

On Thu, Jul 10, 2014 at 4:13 AM, Rogério Brito <rbrito@ime.usp.br> wrote:
> I would like to run some programs that require a JVM on "alternative"
> platforms, like armel/powerpc (these are arches for which I have hardware
> running Debian, but others might also be of interest).  (Please, feel free
> to cross-post this message to other ports, if you deem this to be relevant.)
> But anything related to Java is too slow on such architectures with the
> default, unoptimized Zero JVM and I'm having some problems while trying to
> use other JVM implementations that we have in the archive.


It's been a while, but I did test cacao and jamvm before as better alternatives
to the default Zero jvm. My conclusion back then was that they're not really
practically usable except for test or toy programs.

Even longer ago, I did use the IBM jdk 6 on powerpc and that one was actually
usable. This one would most likely still have the best performance of the
available jdks on powerpc. Version 7 of the jdk is available, but it does not
seem to work on Apple hardware (G4).

Regarding arm hardware, there is an embedded jvm available from Oracle,
thanks to the popularity of the Raspberry Pi. I did not test that one however.

Either way, I gave up on using java on my powerpc laptop. It is simply too slow
to do any useful programming in java with it. I think that clojure and
scala will
be even slower.

kind regards,

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