Dear Jikes RVM Researchers,
We are writing to introduce two new members to the Jikes RVM Steering
Committee, announce some changes to the project organization, and
highlight our performance results, which are now competitive with the
products on the DaCapo Benchmarks.
Steering Committee
~~~~~~~~~~~~~~~~
We have invited Richard Jones (U. Kent) and Kathryn McKinley (U.
Texas) to join us on the Steering Committee. Both Kathryn and Richard
have accepted our invitation. Kathryn and Richard been involved with
the project since its inception. They both have a long track record of
engagement with the project; directly and through the activities of
their respective research groups. Their addition to the committee
reflects our view that our stakeholders are researchers and that our
mission is enabling research.
Project Organization
~~~~~~~~~~~~~~~~
We have also made a minor change to the project structure, replacing
the term "Core Team" with "Jikes RVM Team". We also extend team
membership to anyone who has demonstrated a substantial commitment to
the project through concrete contributions. Such contributions are not
limited to code, but may include substantive contributions to the
health of the project in any form. These changes are intended to
emphasize the importance of researchers as the primary stakeholders in
this project, and to make it explicit that the importance of a
member's input is not measured in terms of the quantity or quality of
changes to the code base.
We will also now encourage team members to follow a "12 month rule",
whereby they are asked to reassess their team membership after a
period of 12 months of inactivity
Performance
~~~~~~~~~~
Due to the efforts of the Jikes RVM Team in adding features (such as
native threads, Immix GC, and biased locking), and tuning the adaptive
system, we have recently achieved really excellent performance
results. While Jikes RVM still lags behind the products on the SPEC
benchmarks (the products are highly tuned for SPEC), Jikes RVM attains
within 5% of their performance on the DaCapo Benchmarks. Results are
available here:
http://jikesrvm.anu.edu.au/performance/2009-07/
These performance gains make Jikes RVM an even more appealing research
platform and offer more evidence that Java can be an effective system
implementation language. :-)
We hope that these changes will bring new life to the project and
re-affirm the project's original objectives of supporting the research
community. Kathryn, Richard and the rest of the Jikes RVM Steering
Committee welcome comments, suggestions and feedback from our
community.
David Grove
Steve Blackburn
Mike Hind
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