Advanced Operating Systems
COMP9242 2002/S2
UNSW
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Administration
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Notices
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Course Intro
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Consultations
# On-line Survey (closed)
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Survey Results
Work
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Lectures
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Milestone 0
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Project Admin
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Project Spec
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Project FAQ
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Exam
Documentation
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ASysT Lab
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L4 source browser
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Sulima ISA Simulator
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R4x00 ISA Summary
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MIPS R4700 Reference
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MIPS R4000 User Manual
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Network Driver
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GT64111
Related Info
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Aurema OS Prize
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OS Hall of Fame
History
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2000
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1999
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1998
Staff
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Gernot Heiser
(LiC)
Next:
Cache Hierarchy
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03-cache
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Virtually indexed, physically tagged
Physical Caches
No synonym problem
No homonym problem
Easy to manage
If small or highly associative (all index bits come from page offset)
indexing can be in parallel with address translation.
Attractive feature for intermediate level cache.
Cache can use
bus snooping
to receive/supply DMA data
Usable as off-chip cache with any architecture.
Gernot Heiser 2002-08-15