Paper by Erik D. Demaine
- Erik D. Demaine, “Higher-Order Concurrency in PVM”, in Proceedings of the Cluster Computing Conference (CCC'97), Atlanta, Georgia, March 9–12, 1997.
Message-passing systems are typically used to achieve high-performance parallel
computing. In this paper we examine how advanced concurrent programming can be
achieved using existing message-passing systems. In particular, we look at
Reppy's extension to Hoare's basic CSP model, called higher-order
concurrency, where communication events (such as send, receive and
non-deterministic choice) are first-class just like normal program variables
(e.g., integers), that is, they can be created at run-time, assigned to
variables, and passed to and returned from functions. This allows the
construction of high-level concurrent features without explicit support for
them in the model itself. We see how first-class events can be implemented in
PVM, showing that it forms the base of a powerful concurrent-programming
language. We also provide garbage-collection of processes, which
simplifies selective communication and dealing with end-cases. The
implementation promotes more widespread use of the flexibility present in the
higher-order-concurrency model, and allows multiple processors to be exploited
in such programs.
- The paper is 17 pages and the talk is 25 minutes.
- The paper is available in PostScript (202k).
- The talk is also available in PostScript (130k).
- See information on file formats.
- [Google Scholar search]
- Related papers:
- WoTUG20 (Higher-Order Concurrency in Java)
- IPPS98 (Protocols for Non-Deterministic Communication over Synchronous Channels)
- ProtocolsTR (Adaptive Protocols for Negotiating Non-Deterministic Choice over Synchronous Channels)
See also other papers by Erik Demaine.
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