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Chapter 4 Threads, SMP, and Microkernels Microkernels

Chapter 4 Threads, SMP, and Microkernels Microkernels

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Categories of<br />

Computer Systems<br />

• Single Instruction Single Data (SISD)<br />

stream<br />

– Single processor executes a single instruction<br />

stream to operate on data stored in a single<br />

memory<br />

• Single Instruction Multiple Data (SIMD)<br />

stream<br />

– Each instruction is executed on a different set<br />

of data by the different processors

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