Sequential Prolog machine PEK |
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| Authors: | Yukio Kaneda Naoyuki Tamura Koichi Wada Hideo Matsuda Shumin Kuo Sadao Maekawa |
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| Affiliation: | 1. The Graduate School of Science and Technology, Kobe University, Rokkodai, Nada-ku, 657, Kobe, Hyogo, Japan
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| Abstract: | The sequential Prolog machine PEK currently under development is described. PEK is an experimental machine designed for high speed execution of Prolog programs. The PEK machine is controlled by horizontal-type microinstructions. The machine includes bit slice microprocessor elements comprising a microprogram sequencer and ALU, and possesses hardware circuits for unification and backtracking. The PEK machine consists of a host processor (MC68000) and a backend processor (PEK engine). A Prolog interpreter has been developed on the machine and the machine performance evaluated. A single inference can be executed in 89 microinstructions, and execution speed is approximately 60–70 KLIPS. |
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