From: dahms AT ifk20 DOT mach DOT uni-karlsruhe DOT de
Subject: Re: Time and motion studies of gcc and egcs and LCC
4 Feb 1998 19:27:48 -0800
Message-ID: <009C1571.EAD9EAA0.186.cygnus.gnu-win32@ifk20.mach.uni-karlsruhe.de>
To: ian AT cygnus DOT com
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 AT ifk20 DOT mach DOT uni-karlsruhe DOT de)
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