Looking for comments on paper draft "DynaMate: Simplified and optimized invokedynamic dispatch"

[MacGregor, Duncan (GE Energy Management)]

I'd certainly be interested in having a read of it.

On 19/02/2013 13:37, "Eric Bodden" <eric.bodden at ec-spride.de> wrote:

>Hi all.
>
>Kamil Erhard, a student of mine, and myself have prepared a paper
>draft on a novel framework for invokedynamic dispatch that we call
>DynaMate. The framework is meant to aid language developers in using
>java.lang.invoke more easily by automatically taking care of common
>concerns like guarding and caching of method handles or adapting
>arguments between callers and callees.
>
>By March 28th, we plan to submit the draft to OOPSLA, at which point
>we will probably also make the publication available as a Technical
>Report, and will also open-source the implementation. Right now, I
>would like to use this email to reach out to experts in the community
>to get some feedback on this work, both in terms of what could be
>improved w.r.t. the paper and in terms of the DynaMate framework
>itself.
>
>So please let me know if you are interested in obtaining a copy of the
>draft to then provide us with feedback. In this case I would email you
>the PDF some time this week.
>
>Best wishes,
>Eric
>
>P.S. Here is the current abstract:
>
>Version 7 of the Java runtime includes a novel invokedynamic bytecode
>and API, which allow the implementers of programming languages
>targeting the Java Virtual Machine to customize the dispatch semantics
>at every invokedynamic call site. This mechanism is quite powerful and
>eases the implementation of dynamic languages, but is is also hard to
>handle, as it allows for many degrees of freedom and much room for
>error. While implementers of some dynamic languages have successfully
>switched to using invokedynamic, others are struggling with the steep
>learning curve.
>We present DYNAMATE, a novel framework allowing dynamic-language
>implementers to define dispatch patterns more easily. Implementations
>using DYNAMATE achieve reduced complexity, improved maintainability,
>and optimized performance. Moreover, future improvements to DYNAMATE
>can benefit all its clients.
>As we show, it is easy to modify the implementations of Groovy, JCop,
>JRuby, Jython to base their dynamic dispatch on DYNAMATE. A set of
>representative benchmarks shows that DYNAMATE-enabled dispatch code
>usually achieves equal or better performance compared to the code that
>those implementations shipped with originally. DYNAMATE is available
>as an open-source project.
>
>-- 
>Eric Bodden, Ph.D., http://sse.ec-spride.de/ http://bodden.de/
>Head of Secure Software Engineering Group at EC SPRIDE
>Tel: +49 6151 16-75422    Fax: +49 6151 16-72051
>Room 3.2.14, Mornewegstr. 30, 64293 Darmstadt
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