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School of Computer Science & Engineering
University of New South Wales
Advanced Operating Systems
COMP9242 2002/S2
Next: Total Store Ordering
Up: 10-smp
Previous: Memory Models: Strong Ordering
Modern hardware features can interfere with store order:
- write buffer (or store buffer or write-behind
buffer),
- instruction reordering,
- superscalar execution,
- pipelining.
Each CPU keeps its own data consistent, but how about others?
Gernot Heiser
2002-10-11
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