Time and motion studies of gcc and egcs and LCC

[dahms@ifk20.mach.uni-karlsruhe.de]

Hi Ian, you wrote:

: Discarding pages in strict FIFO order seems to me like a recipe for
: thrashing.

Yes. Doesn't x86 hardware set used (and modified) bits in the page tables?
A decent OS checks/resets those from a timer interrupt and sorts
accordingly, which burns some CPU, but is always faster than disk access...


Bye, Heribert (dahms@ifk20.mach.uni-karlsruhe.de)
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