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Paper Details

  title = "{A} general-purpose parallel programming environment",
  author= "Debbage, Mark and Hill, Mark and Nicole, Denis A.",
  editor= "Edwards, Janet",
  pages = "123--132",
  booktitle= "{P}roceedings of {W}o{TUG}-14: {O}ccam and the {T}ransputer-{C}urrent {D}evelopments",
  isbn= "90 5199 063 4",
  year= "1991",
  month= "sep",
  abstract= "A parallel programming environment has been developed which
     is superior to many available systems on current generation
     transputers. The core of the package is a packet router
     which delivers asynchronous datagrams around arbitrary
     networks. The router is guaranteed not to deadlock provided
     that higher levels do not violate the eager-readership
     edict. This eager0readership can be guaranteed by the use of
     communication protocols which ensure that packets are never
     sent to a destination which has insufficient buffer space
     available. The router has been implemented in C and is
     applicable to a wide number of loosely coupled
     multiprocessing architectures. The current implementation
     has been optimised for transputer networks, on which it
     achieves impressive communications performance. The
     implementation of a virtual channel protocol within occam
     semantics on such a router is discussed. This forms the
     basis of version 2.0 of the popular Virtual Channel Router
     (VCR) package. The user interface to these channels is the
     conventional occam syntax for communications but with the
     configuration restriction of four channel-pairs per
     processor eliminated. The virtual channels provided by this
     package can be exploited from other languages through the
     appropriate Inmos Toolset."

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