Tutorial 11, Final Review - ECSE 425 â Computer Organization and ...
Tutorial 11, Final Review - ECSE 425 â Computer Organization and ...
Tutorial 11, Final Review - ECSE 425 â Computer Organization and ...
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Cache coherence protocols●●●●Coherence: memory accesses to a single locationare seen by all CPUs in orderConsistency: memory accesses to various locationsare seen by all CPUs in orderTwo classes of protocols:●●Directory based: central locationSnooping: global busTwo ways to ensure cache coherence:●●Write invalidate: broadcast invalidation messagesWrite update: broadcast new value