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Message from discussion Multi-argument vs. JIT indexing (Was: Destructive assignments (Was: Win from call/n))

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From: ulr...@mips.complang.tuwien.ac.at (Ulrich Neumerkel)
Newsgroups: comp.lang.prolog
Subject: Re: Multi-argument vs. JIT indexing (Was: Destructive assignments (Was: Win from call/n))
Date: Fri, 19 Oct 2012 21:07:43 GMT
Organization: Technische Universität Wien, Institut für Computersprachen
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Jan Burse <janbu...@fastmail.fm> writes:
>Ulrich Neumerkel schrieb:
>> Yes, there is an increase in visible nondeterminism.  That is
>> unavoidable.
>
>Although it is a nice thing, I am not too exicted about detecting 
>determinism in indexing. For example for true non-deterministic
>predicates, i.e. those that really yield >1 solutions, the positive
>effect depends on the number of clauses.


Misunderstanding on my part: I meant that things get more "random"
for the user.  I did not think about backtracking as such.