Encapsulation and Locality: A Foundation for Concurrency Support in Multi-Language VMs?

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The goal of my research is to investigate the notions of encapsulation and locality and evaluate how they could be used inside of a virtual machine to better support different concurrency models on …

The goal of my research is to investigate the notions of encapsulation and locality and evaluate how they could be used inside of a virtual machine to better support different concurrency models on top of it, and retain the potential for optimization on different many-core architectures.

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  • Do I need a motivation on that level?
  • Do I need a motivation on that level?
  • Do I need a motivation on that level?
  • Do I need a motivation on that level?

Transcript

  • 1. Encapsulation and Locality
    A Foundation for Concurrency Supportin Multi-Language VMs?
    Stefan Marr
    24 May 2010, IIIT-Bangalore, India,
    Student Presentation, Trends in Concurrency 2010
  • 2. I don’t have a solution for concurrency:But, maybe you have.
    5/25/10
    2
  • 3. Reduce the scope and“solve” concurrencyfor domain specific problems.
    5/25/10
    3
  • 4. And, you probably want to reuseexisting VMs:Big Eco-System/Legacy Code +Fast JITs, Efficient GCs
    5/25/10
    4
  • 5. Remains missing:Support for Concurrency Modelsin theVirtual Machine Model
    5/25/10
    5
  • 6. 5/25/10
    6
    Abstract Concurrency
    A CommonVirtual Machine Model?
    Concrete Concurrency
  • 7. Quest for a Common Abstraction
    Goal
    Abstraction for concurrency models
    Foundation for language implementation
    Verify
    Facilitates wide range of models
    Allows efficient implementation
    upcoming many-core architectures
    5/25/10
    7
    Encapsulation and Locality, Stefan Marr, TiC‘10
  • 8. Locality
    PGAS languages have a notion of locality
    X10’s places
    Implications dependon language
    Hint to the compiler/runtime
    Or imposes restrictions
    5/25/10
    8
    Encapsulation and Locality, Stefan Marr, TiC‘10
  • 9. Encapsulation
    Actor-like languages
    Provide the notion of encapsulation
    Asynchronous message-passing
    Erlang, E’s vats
    5/25/10
    9
    Encapsulation and Locality, Stefan Marr, TiC‘10
  • 10. 5/25/10
    10
    Encapsulation and Locality, Stefan Marr, TiC‘10
    Locality and Encapsulation:Foundation for a Virtual Machine Model?