CentralNotice Symmetric multiprocessing From Wikipedia, the free encyclopedia Jump to: navigation , search This article has multiple issues. Please help improve it or discuss these issues on the talk page . This article is outdated . Please update this article to reflect recent events or newly available information. (November 2010) This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed. (November 2012) Diagram of a symmetric multiprocessing system Symmetric multiprocessing ( SMP ) involves a symmetric multiprocessor system hardware and software architecture where two or more identical processors connect to a single, shared main memory , have full access to all I/O devices, and are controlled by a single ...