Parrot 1.8.0: Calls for updates to NEWS, PLATFORMS and CREDITS

Jonathan Leto jaleto at
Thu Nov 12 00:06:08 UTC 2009


Yes, I have been busy lately and have not had time to work more on
Parrot+RTEMS. My initial blog post [0] is a reasonably accurate status
update for where we are now.

In short summary, Parrot 1.8.0 will not ship with RTEMS-support out of
the box. Parrot has had patches applied to it that make
cross-compiling Parrot to RTEMS possible, but we are still working to
make the build system do this automagically. I think the RTEMS people
plan to provide some packages that will ease running Parrot on RTEMS,
but I am a little fuzzy on this right now.

Parrot works on RTEMS. I am not sure how our garbage collector
interacts with the real-time-ness of RTEMS, though. It may need to be
shut off currently, to retain realtime characteristics. I have been
doing research on realtime gc algorithms, there are a few implemented
on the JVM [1], JeRTY VM [2] and Jikes RVM [3]. The "Tortured History
of Real-Time Garbage Collectors" also seems like an interesting read.



On Wed, Nov 11, 2009 at 11:08 AM, Joel Sherrill
<joel.sherrill at> wrote:
> Hi,
> Something needs to be said about the recent port
> to RTEMS but I don't know what exactly would be
> an accurate statement. :)
> --joel sherrill
> Bernhard Schmalhofer wrote:
>> Hi,
>> Parrot 1.8.0 is due to be released on Tuesday, November 17th.
>> If you have news to tell, please add them to NEWS.
>> If you have merged a branch since 1.7.0, please prepare a sentence or two
>> for NEWS.
>> Some of the platform reports in PLATFORMS are fairly old.
>> Simply updating the date on your favourite platform is OK and appreciated.
>> New platform reports are very welcome too.
>> If you want credit for your contributions, or want to acknowledge somebody
>> elses contributions,
>> don't be shy and add to CREDITS.
>> If you don't have a commit bit, sign a CLA and send it to the Parrot
>> Foundation.
>> In the meantime send your changes to NEWS, PLATFORMS and CREDITS to me,
>> and your patches and bugreports to Trac.
>> Enjoy,
>>   and don't break Parrot,
>>      Bernhard
>> _______________________________________________
> --
> Joel Sherrill, Ph.D.             Director of Research & Development
> joel.sherrill at        On-Line Applications Research
> Ask me about RTEMS: a free RTOS  Huntsville AL 35805
>  Support Available             (256) 722-9985
> _______________________________________________


Jonathan Leto
jonathan at

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