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SCORPIO: A 36-core research chip demonstrating snoopy coherence on a scalable mesh NoC with in-network ordering
2014
2014 ACM/IEEE 41st International Symposium on Computer Architecture (ISCA)
In the many-core era, scalable coherence and on-chip interconnects are crucial for shared memory processors. While snoopy coherence is common in small multicore systems, directory-based coherence is the de facto choice for scalability to many cores, as snoopy relies on ordered interconnects which do not scale. However, directory-based coherence does not scale beyond tens of cores due to excessive directory area overhead or inaccurate sharer tracking. Prior techniques supporting ordering on
doi:10.1109/isca.2014.6853232
dblp:conf/isca/DayaCSKPKHCP14
fatcat:m62dljrpebdjjefmp2bos4abya