Flushing

Flushing

What does the processor actually do when it invalidates the cache or tlb? What physically happens with a flush?

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David Ott (Intel)'s picture

For general informationonhowmemoryhierarchies work, you might take a look atComputer Architecture: A Quantitative Approach by John L. Hennessy and David A. Patterson.This has come to be the standard university text for computer architecture.

If your question is intended to be much more detailed in nature, you should take a look at Intel 64 and IA-32 Architectures Software Developer's Manuals at

http://www.intel.com/products/processor/manuals/

In particular, take a look at section 4.10.4 of Volume 3B: System Programming Guide.

David Ott

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