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Transactional memory is being advanced as an alternative to traditional lock-based synchronization for concurrent programming. Transactional memory simplifies the programming model and maximizes concurrency. At the same time, transactions can suffer from interference that causes them to often abort, from heavy overheads for memory accesses, and from expressiveness limitations (e.g., for I/O operations)...
We present natural remote method invocation (NRMI): a middleware mechanism that provides a fully general implementation of call-by-copy-restore semantics for arbitrary linked data structures, used as parameters in remote procedure calls. Call-by-copy-restore offers a more natural programming model for distributed systems than traditional call-by-copy middleware, enabling remote calls to behave much...
Dynamically discovering likely program invariants from concrete test executions has emerged as a highly promising software engineering technique. Dynamic invariant inference has the advantage of succinctly summarizing both "expected" program inputs and the subset of program behaviors that is normal under those inputs. In this paper, we introduce a technique that can drastically increase...
Creating highly reusable software libraries is one of the primary software engineering goals. The ability of a library to be reused, however, depends crucially on the ease of customizing the reusable components. If customization is hard, the well-known library scalability problem by Biggerstaff, T.J. (1994) ensues: a domain contains n features, but these can produce an exponential (or super-exponential...
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