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Most parallel computers, as of 2013, are MIMD systems.<ref>http://software.intel.com/en-us/articles/mimd</ref>
==Shared
The processors are all connected to a "globally available" memory, via either a [[software]] or hardware means. The [[operating system]] usually maintains its memory coherence.<ref name="Ibaroudene-slides">Ibaroudene, Djaffer. "Parallel Processing, EG6370G: Chapter 1, Motivation and History." Lecture Slides. [[St. Mary's University, Texas|St Mary's University]], [[San Antonio, Texas]]. Spring 2008.</ref>
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