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The emulator network, a single stage interconnection network, can be used to simulate a wide variety of single stage and multistage SIMD interconnection networks. These include the STARAN, the omega, the data manipulator, and the Illiac networks. A hardware design for the emulator network is presented. It is shown how the emulator network can be used to test different network control schemes. Its performance in a partitioned machine environment is discussed. It is well suited for use in SIMD system prototypes being built to study the effectiveness of various design parameters.
Smith et al. (Mon,) studied this question.