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
