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The simplicity and elegance of the Linda programming model is based on its single, global, typeless tuple space. However, these virtues come at a cost. First, the tuple space can be an impediment to scalable high performance. Second, the “black box” nature of the tuple space makes it an inherently dangerous data structure, prone to many types of programming errors. Blossom is a C++ version...
A major difficulty in programming parallel computers is resolving the conflict between centralising data to ensure consistency and distributing data to ensure efficient access. Opportunistic combining networks can reduce access contention without compromising the efficiency of access. The implementation of two simple data structures (a parallel queue and a parallel stack) is described, and performance...