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Directory-based Cache Coherence:
What is needed?
Adv. of MP nodes
Disadvantages
Basics of directory
Directory organization
Is directory useful?
Sharing pattern
Directory organization
Directory overhead
Path of a read miss
Correctness issues
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[From Chapter 8 of Culler, Singh, Gupta]
[SGI Origin 2000 material taken from Laudon and Lenoski, ISCA 1997]
[GS320 material taken from Gharachorloo et al., ASPLOS 2000]
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