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memoryx86intellock-freememory-barriers
Bruno Miguel
Bruno Miguel

Reputation: 51

Intel i5 memory consistency model?

How to check which memory consistency model does Intel i5 have? I have been searching for Macs and Intel, and it seems impossible to find. Any tips on how to search for this information?

Upvotes: 1

Views: 637

Answers (1)

Grigory Rechistov
Grigory Rechistov

Reputation: 2214

Memory ordering rules for different Intel processors are now described in the Intel SDM, volume 3A, chapter 8, section 8.2 "Memory Ordering". There used to be an official whitepaper on the subject, now only available from non-oficial sources.

Note that information published in different revisions of the SDM from 2006 and later had been changing. An overview of what was stated by x86 memory ordering independently by Intel and AMD can be found here.

Upvotes: 2

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