PMM: a parallel architecture for production systems

The authors investigate methods to speed up the match phase of the execution of production systems. The Rete match algorithm is taken as the basis of the implementation. A partially shared Rete network is proposed for parallel implementation and a hierarchical two-level parallel architecture based on this network is outlined. The proposed architecture achieves significant speedup by reducing the dynamic scheduling overheads of fine-grained jobs in a multiprocessor implementation of the Rete network, while still taking advantage of the sharing of common computations in the network