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Coherence decoupling
2004
Proceedings of the 11th international conference on Architectural support for programming languages and operating systems - ASPLOS-XI
This paper explores a new technique called coherence decoupling, which breaks a traditional cache coherence protocol into two protocols: a Speculative Cache Lookup (SCL) protocol and a safe, backing coherence protocol. The SCL protocol produces a speculative load value, typically from an invalid cache line, permitting the processor to compute with incoherent data. In parallel, the coherence protocol obtains the necessary coherence permissions and the correct value. Eventually, the speculative
doi:10.1145/1024393.1024406
dblp:conf/asplos/HuhCBS04
fatcat:jw2haipyyzeizeyhvjmfgnskiy