This document discusses Flynn's taxonomy, which classifies computers based on the number of concurrent instruction and data streams. It outlines four categories: SISD, SIMD, MISD, and MIMD. SISD has a single instruction and data stream, while SIMD has multiple data streams, MISD has multiple instruction streams, and MIMD has multiple instruction and data streams. MIMD is further broken down into shared and distributed memory types. The taxonomy is used to classify modern processor designs and determine what workloads different architectures are best suited for.
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