Avoiding and Identifying False Sharing Among Threads
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Published on Wed, 02 Jun 2010 20:19:00 GMT
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2010/06/02
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In symmetric multiprocessor (SMP) systems, each processor has a local cache. The memory system must guarantee cache coherence. False sharing occurs when threads on different processors modify variables that reside on the same cache line. Learn methods to detect and correct false sharing.
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