Jeff Squyres, le Thu 29 Oct 2009 08:32:09 -0400, a écrit :
> I think there's 3 cases:
>
> 1. If I specify STRICT, then I would expect strict binding to occur,
> or the function fail if the OS can't deliver it. I think we agree on
> this case.
>
> 2. If I specify LOOSE (or whatever the opposite of STRICT is -- and I
> see there's currently no flag for that), then I think you get whatever
> the OS gives you -- even if it happens to be strict. I.e., strict is
> a subset of loose. We might agree on this case, too...?
>
> 3. If I don't specify anything, I think this is an open question as to
> what happens here. I'd be in favor of making LOOSE be the default.
That is what hwloc already does.
> What I'm not in favor of is having it try STRICT and if that fails,
> try LOOSE. It feels to me like if the user wants STRICT, they should
> try it. And if it fails, they should be notified of that (through the
> function failing) and then they can choose how to react.
Ok, I just wanted to save the programmer the retry step.
Samuel
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