1979•IEEE Transactions on ComputersRequires access

How to Make a Multiprocessor Computer That Correctly Executes Multiprocess Programs

Lamport

Abstract

Many large sequential computers execute operations in a different order than is specified by the program. A correct execution is achieved if the results produced are the same as would be produced by executing the program steps in order. For a multiprocessor computer, such a correct execution by each processor does not guarantee the correct execution of the entire program. Additional conditions are given which do guarantee that a computer correctly executes multiprocess programs.

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Key concepts: Computer science, Multiprocessing, Parallel computing, Out-of-order execution, Order (exchange), Execution time, Operating system, Programming language