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What is false sharing in the context of multi-threading?

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What is false sharing in the context of multi-threading?
posted May 25, 2016 by Karthick.c

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1 Answer

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False sharing is a term which applies when threads unwittingly impact the performance of each other while modifying independent variables sharing the same cache line. Write contention on cache lines is the single most limiting factor on achieving scalability for parallel threads of execution in an SMP system.

answer Dec 15, 2016 by Shyam
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