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Machine independent AND and OR parallel execution of logic programs. I. The binding environment

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2 Author(s)
Ramkumar, B. ; Dept. of Electr. & Comput. Eng., Iowa Univ., Iowa City, IA, USA ; Kale, L.V.

We describe a binding environment for the AND and OR parallel execution of logic programs that is suitable for both shared and nonshared memory multiprocessors. The binding environment was designed with a view of rendering a compiler using this binding environment machine independent. The binding environment is similar to closed environments proposed by J. Conery. However, unlike Conery's scheme, it supports OR and independent AND parallelism on both types of machines. The term representation, the algorithms for unification and the join algorithms for parallel AND branches are presented in this paper. We also detail the differences between our scheme and Conery's scheme. A compiler based on this binding environment has been implemented on a platform for machine independent parallel programming called the Chare Kernel

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Parallel and Distributed Systems, IEEE Transactions on  (Volume:5 ,  Issue: 2 )