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A type of multiprocessor architecture in which several instruction cycles may be active at any given time, each independently fetching instructions and operands into multiple processing units and operating on them in a concurrent fashion. Acronym for multiple-instruction-stream, multiple-data-stream.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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MIMD(Multiple Instruction stream Multiple Data stream) The instruction execution architecture of a CPU that can process two or more independent sets of instructions simultaneously on two or more sets of data. CPUs with multiple cores are examples of MIMD architecture, each core performing SIMD processing. Hyperthreading also results in a certain degree of MIMD performance. See SIMD and hyperthreading.
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