WoTUG - The place for concurrent processes

Paper Details

  title = "{F}ine-grain {C}oncurrency",
  author= "Hoare, Tony",
  editor= "McEwan, Alistair A. and Schneider, Steve and Ifill, Wilson and Welch, Peter H.",
  pages = "1--20",
  booktitle= "{C}ommunicating {P}rocess {A}rchitectures 2007",
  isbn= "978-1-58603-767-3",
  year= "2007",
  month= "jul",
  abstract= "I have been interested in concurrent programming since about
     1963, when its associated problems contributed to the
     failure of the largest software project that I have managed.
     When I moved to an academic career in 1968, I hoped that I
     could find a solution to the problems by my research. Quite
     quickly I decided to concentrate on coarse-grained
     concurrency, which does not allow concurrent processes to
     share main memory. The only interaction between processes is
     confined to explicit input and output commands. This
     simplification led eventually to the exploration of the
     theory of Communicating Sequential Processes. Since
     joining Microsoft Research in 1999, I have plucked up
     courage at last to look at fine-grain concurrency,
     involving threads which interleave their access to main
     memory at the fine granularity of single instruction
     execution. By combining the merits of a number of different
     theories of concurrency, one can paint a relatively simple
     picture of a theory for the correct design of concurrent
     systems. Indeed, pictures are a great help in conveying the
     basic understanding. This paper presents some on-going
     directions of research that I have been pursuing with
     colleagues in Cambridge \&\#8211; both at Microsoft Research
     and in the University Computing Laboratory."

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