Sujet : Re: Hypothetical possibilities --- Sipser approved criteria
De : acm (at) *nospam* muc.de (Alan Mackenzie)
Groupes : comp.theoryDate : 27. Jul 2024, 16:50:02
Autres entêtes
Organisation : muc.de e.V.
Message-ID : <v831eq$3c7$2@news.muc.de>
References : 1 2 3 4 5 6 7 8 9 10 11
User-Agent : tin/2.6.3-20231224 ("Banff") (FreeBSD/14.1-RELEASE (amd64))
olcott <
polcott333@gmail.com> wrote:
On 7/27/2024 1:54 AM, Mikko wrote:
If a simulator correctly simulates a finite number of instructions
where x86 program specifies an execution of an infinite number of
instructions then the simulation deviates from x86 semantics at the
point where the simulation stops but the x86 semantics specify
countinuation.
I paraphrase this as the requirement for a termination analyzer
to never terminate. That *is* a ridiculously stupid requirement.
I think you would do better to "paraphrase" it that a correct simulator
cannot always be a termination analyser. The two are different things.
[ .... ]
--
Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius
hits a target no one else can see." Arthur Schopenhauer
-- Alan Mackenzie (Nuremberg, Germany).