Sujet : Re: Cost of handling misaligned access
De : terje.mathisen (at) *nospam* tmsw.no (Terje Mathisen)
Groupes : comp.archDate : 03. Feb 2025, 21:03:45
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <vnr7f2$1egqs$1@dont-email.me>
References : 1 2 3
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Thomas Koenig wrote:
Anton Ertl <anton@mips.complang.tuwien.ac.at> schrieb:
The OS must also be able to keep both pages in physical memory until
the access is complete, or there will be no progress. Should not be a
problem these days, but the 48 pages or so potentially needed by VAX
complicated the OS.
48 pages? What instruction would need that?
I've seen it somewhere but dont't remember where:
One candidate would be the POLY (spelling?) polynomial evaluator with all the arguments (indirectly?) loaded from misaligned addresses, all straddling page bounaries?
Terje
-- - <Terje.Mathisen at tmsw.no>"almost all programming can be viewed as an exercise in caching"
Re: Cost of handling misaligned access
Re: Fun with a Vax, Cost of handling misaligned access