University of Birmingham > Talks@bham > Lab Lunch > Iris: Monoids and Invariants as an Orthogonal Basis for Concurrent Reasoning

Iris: Monoids and Invariants as an Orthogonal Basis for Concurrent Reasoning

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If you have a question about this talk, please contact Neel Krishnaswami.

We present Iris, a concurrent separation logic with a simple premise: monoids and invariants are all you need. Partial commutative monoids enable us to express—and invariants enable us to enforce—user-defined protocols on shared state, which are at the conceptual core of most recent program logics for concurrency. Furthermore, through a novel extension of the concept of a view shift, Iris supports the encoding of logically atomic specifications, i.e., Hoare-style specs that permit the client of an operation to treat the operation essentially as if it were atomic, even if it is not.

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