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Re: Time and motion studies of gcc and egcs and LCC
- To: ian at cygnus dot com
- Subject: Re: Time and motion studies of gcc and egcs and LCC
- From: dahms at ifk20 dot mach dot uni-karlsruhe dot de
- Date: Thu, 05 Feb 1998 03:52:18 EST
- CC: gnu-win32 at cygnus dot com, dahms at ifk20 dot mach dot uni-karlsruhe dot 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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