WoTUG - The place for concurrent processes

Paper Details

  title = "{A} {P}rogramming {L}anguage for {H}ardware/{S}oftware {C}o-{D}esign",
  author= "Watt, D. R. and May, David",
  editor= "Chalmers, Alan G. and Mirmehdi, Majid and Muller, Henk",
  pages = "167--178",
  booktitle= "{C}ommunicating {P}rocess {A}rchitectures 2001",
  isbn= "1 58603 202 X",
  year= "2001",
  month= "sep",
  abstract= "We have developed a programming language that allows
     programs to be expressed as single specifications in which
     any number of processes may be tagged for hardware
     compilation and the rest are compiled into software. We
     introduce a number of novel transformations that may be
     arbitrarily applied to an occam process in order to
     decompose it into two semantically equivalent concurrent
     processes. Our compiler targets hardware by compiling one of
     these processes into a field programmable gate array and the
     other into x86 object code. Furthermore, the compiler
     integrates a specialised communications protocol between the
     two programs that consists of a full-duplex channel
     implementation, multiplexor and buffers that are dependent
     on the program structure and that guarantee all external
     communications are free from deadlock. We demonstrate the
     elegance of our language and the power of our compiler on a
     small benchmark program."

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